BOUGHT WITH THE INCOME FROM THE 'sage endowment fund THE GIFT OF X891 AJAmH ^^.-^../-.^ 5474 <' m. Cornell University Library The original of this book is in the Cornell University Library. There are no known copyright restrictions in the United States on the use of the text. http://www.archive.org/details/cu31924058814348 BIOLOGIA CENTRALI-AMERICANA; OE, CONTRIBUTIONS TO THE KNOWLEDGE OF THE FAUNA AND FLORA OF MEXICO AND CENTRAL AMERICA. EDITED BY F. DUCANE GODMAN AND OSBERT SALVIN. BOTANY. VOL. 11. BY W. BOTTING HEMSLEY, A.L.S., HON. MEM. NAT. HIST. SOC. MEX. ; ASSISTANT FOK INDIA AT THE HEEBAEIITM OP THE EOIAL GARDENS, KEW ; AUTHOK OF THE " BOTANY OF THE ' CHALLENGER ' EXPEDITION," &C. LONDON: PUBLISHED FOR THE EDITOES BY E. H. PORTER, 10 CHANDOS STREET, CAVENDISH SQUARE, W., AND DULAU & CO., SOHO SQUARE, W. 1881-1882. Xitf ^\l»H^< AJ.V.RK PLAMMAM. PBJNIED BT TAYLOR AND FHANCII^ BED LION COURT, FLliET STREET. CONTENTS OF VOLUME II. Page Enumeration of the GAMOPETALiE, with Descriptions of New Species 1-576 BIOLOGIA CENTRALI-AMERICANA. BOTANICA. PHANEROGAMIA. DICOTYLEDONES. GAMOPETAL^. Series I. INFERiE. Order LXX. CAPRIFOLIACEiE. Caprifoliacem, Benth. et Hook. Gen. Plant, ii. p. 1. Thirteen genera, comprising about 200 species, are referred to this order. With few exceptions, they are shrubs or small trees, inhabiting the northern hemisphere. A few occur in Australia and South America ; but the order is not known to be represented either in Tropical or South Africa. All the Mexican and Central- American species are shrubby or arboreous. 1. SAMBUCUS. Sambucus, Linn. Gen. Plant, n. 372 ; Benth. et Hook. Gen. Plant, ii. p. 3. A genus of about a dozen species generally dispersed in temperate regions, excluding South Africa, but including mountains in the tropics. The Mexican forms should perhaps be referred to one species. 1. Sambucus bipinnata, Ch. et Schl. in Linnaea, V. p. 171. South Mexico, near Jalapa {Schiede & JDeppe). 2. Sambucus canadensis, Linn. Sp. Pi. p. 385 ; Torr. & Gray, Fl^N. Am. ii. p. 13. Canada, southward on both sides of the continent. — South Mexico, valley of Cordova {Bourgeau, 2490 bis) '\ Hb. Kew. 3. Sambucus mexicana, Presl ; DC. Prodr. iv. p. 322. California, New Mexico. — North Mexico, Mabibi, Sonora {Thurher) ; South Mexico, valley of Mexico, Desierto Viejo {Bourgeau, 1270) ; region of Orizaba (Bourgeau, 2490 ; Muller, 628), Jalapa [Linden, 530). Hb. Kew. S. glauca, Nutt., may be the same species, which would extend its northward range. BiOL. CENTR.-AMER., Bot. Vol. II., April 1881. b 2 CAPEIFOLIACE^. 2. VIBURNUM. Viburnum, Linn. Gen. Plant, n. 370 ; Benth. et Hook. Gen. Plant, ii. p. 3. From eighty to 100 species in the temperate and subtropical regions of the northern hemisphere and the Andes of South America ; also represented in the West Indies and Madagascar. 1. Viburnum acutifolium, Benth. PL Hartw. p. 59. Oreinotinus acutifolius, CErst. in Vidensk. Meddel. 1860, p. 293, t. 6. fig. 25. South Mexico, Cerro Pelado {Hartweg), Sempoaltepec, Oaxaca {Liebmann), Cordillera of Oaxaca, in pine-forests at 7000 to 9000 feet [Galeotti, 3095). Hb. Kew. \i 2. Viburnum costa-ricanum, Hemsley. Oreinotinus costa-ricanus, ffirst. in Vidensk. Meddel. 1860, p. 290. Costa Rica, Volcan de Irazu, at 9000 feet {(Ersted). 3. Viburnum densum, Benth. Pi. Hartw. p. 59 ; (Erst, in Vidensk. Meddel. 1860, p. 302, t. 6. figg. 26, 27. South Mexico, around Toluca (Andrieuw, 339, 340), Eegla, at 6000 feet (Galeotti, 3556), Real del Monte (Graham), ChiaT^as (Linden, 567), without locality (Coulter, 216). Hb. Kew. \j 4. Viburnum discolor, Benth. Pi. Hartw. p. 83. Guatemala, mountains of Totonicapan (Hartweg). Hb. Kew. 5. Viburnum elatum, Benth. PL Hartw. p. 59. South Mexico, Tlalpuxahua (Graham). Hb. Kew. 6. Viburnum fllSCUm, Hemsley. Oreinotinus fuscus, (Erst, in Vidensk. Meddel. 1860, p. 289. South Mexico, near Santiago, Amatlan, Oaxaca (Liebmann), Cordillera of Oaxaca, woods at 5500 feet (Galeotti, 2719). Hb. Kew. N 7. Viburnum glabratum, H. B. K. Nov. Gen. et Sp. iii. p. 428. Guatemala, Alta Vera Paz, 4400 feet (TurcJcheim). — Peru. Hb. Kew. 8. Viburnum hartwegii, Benth. PL Plartw. p. 84. South Mexico, Chiapas (Ghiesbreght, 809) ; Guatemala, Mountains of Santa Maria (Hartweg). Hb. Kew. 9. Viburnum membranaceum, Hemsley. Oreinotinus membranaceus , (Erst. Vidensk. Meddel. 1860, p. 284. South Mexico, around Toluca (Andrieux, 341), Cuesta de San Juan del Estado, near Oaxaca (Liebmann). Hb. Kew. 10. Viburnum microcarpum, Ch. et Schl. in Linnsea, V. p. 170. Oreinotinus microcarpus, (Erst, in Vidensk. Meddel. 1860, p. 282. CAPEIFOLIACE^. 3 South Mexico, San Miguel del Soldado (Schiede), Chinantla, Puebla, at 7000 feet (Liebmann), Jalapa (Linden, 529). Hb. Kew. 11. Viburnum microphyllum, Hemsley, Oreinotinus microphyllus, CErst. in Vidensk. Meddel. I860, p. 293. South Mexico, Cuesta de San Pedro Alto, at 8000 feet [Liebmann). 12. Viburnum parviflorum, Mart, et Gal. in Bull. Acad. Brux. xi. p. 243 ; Walp. Eep. vi. p. 8. South Mexico, in woods Zacatepec, Pacific coast of Oaxaca (Galeotti, 7138), Chiapas (Ghiesbreght)'i Hb. Kew. 13. Viburnum rhombifolium, Hemsley. Oreinotinus rhombifoUus, (Erst, in Vidensk. Meddel. 1860, p. 283. South Mexico, Peak of Orizaba, at 9000 feet (Galeotti, 2667), at 9750 feet (Linden, 531). Hb. Kew. i^ 14. Viburnum StellatO-piloSUm, Polak. in Linnsea, xli. p. 564. Costa Eica, Volcan de Barba (Polalcowslcy). \ 15. Viburnum stellato-tomentosum, Hemsley. Oreinotinus stellato-tomentosus, (Erst, in Vidensk. Meddel. 1860, p. 283, t. 6. figg. 18-20. Costa Rica, Irazu, 8000 to 9000 feet ((Ersted). Hb. Kew. 16. Viburnum stellatum, Hemsley. Oreinotinus stellatus, (Erst, in Vidensk. Meddel. 1860, p. 292. South Mexico, Orizaba, at 8000 feet (Liebmann) ; Costa Rica, Irazu, at 9000 feet ((Ersted). 17. Viburnum stenocalyx, Hemsley. Oreinotinus stenocalyx, (Erst, in Vidensk. Meddel. 1860, p. 285. Mexico (Ehrenberg). 18. Viburnum sulcatum, Hemsley. Oreinotinus sulcatus, (Erst, in Vidensk. Meddel. 1860, p. 287. South Mexico, Cerro de Sepaltepec, Oaxaca (Liebmann). Hb. Kew. 19. Viburnum tiliaefolium, Hemsley. Oreinotinus tilimfolius, CErst. in Vidensk. Meddel. 1860, p. 282, t. 6. figg.. 21, 22. South Mexico, Sierra Zongolica (Botteri, 983), Mirador and Jalapa (Sartorius), Chinantla, at 7000 feet (Liebmann). Hb. Kew. 20. Viburnum wendlandi, Hemsley. Oreinotinus wendlandi, (Erst, in Vidensk. Meddel. 1860, p. 283. Costa Rica, without locality (Wendland). b1 4 CAPEIPOLIACE^. 3. MICEOSPLENIUM. Microsplenium, Hook. fil. in Benth. et Hook. Gen. Plant, ii. p. 4. Monotypic as far as known at present. 1. Microsplenium COulteri, Hook. fil. in Benth. et Hook. Gen. Plant, ii. p. 4. South Mexico, Zimapan (Coulter, 1167), Eegla, at 5000 feet (Galeotti, 7204). Hb. Kew. 4. SYMPHOEICAEPUS. Symphoricarpus, Juss. Gen. Plant, p. 211; Benth. et Hook. Gen. Plant.ii. p. 4; A. Gray, in Journ. Linn. Soc. xiv. p. 9. A genus of about eight species, confined to North America and Mexico. 1. Symphoricarpus microphyllus, H. B. K. Nov. Gen. et Sp. iii. p. 424 ; Bot. Mag. t. 4975. Symphoricarpus glaucescens, H. B. K. Nov. Gen. et Sp. p. 434, t. 395, Symphoricarpus montanus, H. B. K. Nov. et Sp. p. 435, t. 396. Margaris barbigera, DC. Prodr. iv. p. 483 ; Caiques des Dess. PI. Mex. 480. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 296) ; South Mexico, Santa Eosa, at 7800 feet, betvpeen San Augustin and the city of Mexico at 7000 feet, near Moran at 8000 feet (Humboldt & Bonpland), Chiapas (Ghiesbreght, 810), Moran and Popocatepetl, 7800 to 8500 feet (Galeotti, 2642), without localities (Graham, 223; Coulter, 905). Hb. Kew. 2. Symphoricarpus rotundifolius, A. Gray, PI. Wright, ii. p. 66 1 Utah southward to New Mexico. — South Mexico, Zimapan (Coulter, 904). Hb. Kew. 5. ABELIA. Abelia, E,. Br. in AbePs Chin., App. p. 376, cum icons ; Benth. et Hook. Gen. Plant, ii. p, 4. About half a dozen species, inhabiting the Himalayas, China, Japan, and Mexico. 1. Abelia COriacea, Hemsley, Diag. PI. Nov. pars 3, p. 53. (Tab. XXXVI. figg. 1-5.) Glabra vel glabrescens, foliis confertis petiolatis parvis coriaceis ovato-ellipticis obtusis scabridis, venis ntrinque immersis, floribus brevissime pedunculatis axillaribus solitariis vel 3-3 cymosis infrapoUicaribus, calycis hirsuti lobis lanceolato-oblongis obtusiusculis, corollse hirsutse tubo curvo. Frutex sempervirens, prseter flores fere glaber vel glabrescens, ramis teretibus, junioribus tantum puberulis, dense foliosis. Folia opposita, breviter petiolata, coriacea, ovato-elliptica vel interdum fere oblonga, 6-10 lin. longa, obtusa, margine setulosa, supra scabrida, utrinque nitida, costa supra canaliculata, subtus elevata, venis utrinque immersis, petiolo brevi, crasso. Flores axillares, solitarii vel 3-3 cymosi, basi bibracteati, subsessiles, 9-13 lin. longi,bracteis subulatis ovario appressis ; calyx rigide hirsutus, lobis lanceolato-oblongis, quam corolla subtriplo brevi- CAPEIPOLIACE^. 5 oribusj corollae puberulse tubus curvus, limbi lobi rotundati; stamina 4, breviter exserta, antherae magnse ; ovarium pentagonumj triloculaxCj loculis duobus pluriovulatisj loculo tertio uuiovulato ; stylus glaber, exsertus, stigmate capitato. Fructus puberuluSj pisiformis. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 299 ; Schaffner, 32). Hb. Kew. EXPLANATION OP TAB. XXXVI. Figg. 1-5. Fig. 1, flowering branch, nat. size; %, a flower j B, a corolla laid open; 4, cross section of an ovary, — all enlarged ; 5, a fruit, nat. size. 2. Abelia floribunda, Dene, in Flore des Serres, ii. t. 5 ; Bot. Mag. t. 4316. Vesalea floribunda, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 343. South Mexico, Peak of Orizaba, at 10,000 feet {Galeotti, 2640, 2641), at 9570 feet {Linden, 630), Sierra San Pedro Nolasco {Jurgensen, 816). Hb. Kew, 3. Abelia Speciosa, Dene, in Flore des Serres, ii. (Jan. 1846) sub tab. 5. Abelia hirsuta, Walp. Rep. vi. p. 3. Vesalea hirsuta, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 343. South Mexico, Cerro de San Felipe, near Oaxaca, at 7500 to 9000 feet {Galeotti, 2640). Probably the same as A. floribunda, but the number quoted by Martens and Galeotti for that species is 2640 bis. 6. LONICERA. Lonicera, Linn. Gen. Plant, n. 233 ; Benth. et Hook. Gen. Plant, ii. p. 5. About eighty species, widely dispersed in the temperate and subtropical regions of the northern hemisphere. 1. Lonicera dumosa, A. Gray, Pi. Wright, ii. p. 66. New Mexico. — Nokth Mexico, Sonera {Smith). 2. Lonicera gibbosa, Willd. in Schult. Syst. v. p. 257. Xylosteum mexicanum, H. B. K. Nov. Gen. et Sp. iii. p. 426, t. 297. South Mexico, woods near Eeal del Monte, 8600 feet {Humboldt & Bonpland). 3. Lonicera mociniana, DC. Prodr. iv. p. 336 ; Caiques des Dess. Fl. Mex. 446. Mexico {Mogino & Sesse). 4. Lonicera pilosa, Willd. ex H. B. K. Nov. Gen. et Sp. iii. p. 427. Lonicera tubulosa, Benth. PL Hartw. p. 37. Caprifolium pilosum, H. B. K. Nov. Gen. et Sp. iii. p. 427, t. 298. Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 297), Sierra Madre {Seemann, 2064) ] ; South Mexico, around Toluca {Andrieux, 338), Chiapas {GMesbreght, 699), Velasco {Hartweg), without locality {Coulter, 902). Hb. Kew. 6 ETJBIACE^. Order LXXI. RUBIACEiE. Rubiacea, Benth. et Hook. Gen. Plant, ii. p. 7. This order includes upwards of 4000 species, belonging to about 340 genera ; and it is dispersed throughout the world except in the coldest regions. [BEEGHESIA, Nees in Linneea, xx. p. 701 ; Benth. et Hook. Gen. Plant, ii. p. 39. Berghesia COCCinea, Nees in Linnsea, XX. p. 702. Mexico (De Berghes). A doubtful plant.] Tribe I. NAUCLE^. Naucleee, Benth. et Hook. G-en. Plant, pp. 8^ 9. Eight genera are referred to this tribe ; and their species are dispersed nearly all over the warmer regions. 1. CEPHALANTHUS. Cephalanthus, Linn. Gen. Plant, n. 113 ; Benth. et Hook. Gen. Plant, ii. p. 30. There are six shrubby species, natives of Tropical Asia, Tropical and Temperate America ; and one occurs in Extratropical South Africa. 1. Cephalanthus occidentalism Linn. Sp. Pi. p. 138 ; Barton, Fl. iii. t. 91. Eastern States of North America to Califoenia. — Also in Mexico, according to Gray in ' Botany of California.' 2. Cephalanthus salicifolius, Humb. et Bonpl. Pi. ^quin. ii. p. 63, t. 98. South Mexico, near Acapulco {Humboldt & Bonpland), Morelia, at 3600 feet {Galeotti, 2593), Puebla {Andrieux, 331), Sierr^ San Pedro Nolasco {Jurgensen, 160). Hb. Kew. 2. UNCARIA. Uncaria, Schreb. Gen. Plant, i. p. 125 ; Benth. et Hook. Gen. Plant, ii. p. 31. Ourouparia, Aubl. PI. Gui. i. p. 177, t. 68. About thirty species are known ; with the exception of the following and one African species they are natives of Tropical Asia. They are climbing shrubs. ^ 1. TJncaria tomentosa, DC. Prodr. iv. p. 349. Nauclea tomentosa, Willd. in Ecem. et Schult. Syst. v. p. 221 ; Karst. Fl. Colomb. ii. t. 180. figg. ii. et 13. Nauclea aculeata, H. B. K. Nov. Gen. et Sp. iii. p. 382. Nicaragua, Chontales (Tate, 387). — Colombia, Guiana, and TflmiDAD. Hb. Kew. ErBIACE^. 7 Tribe II. CINCHONE^E. Cinchoneee, Benth. et Hook. Gen. Plant, ii. pp. 8, 10. There are thirty-six genera in this tribe, which is represented in nearly all tropica,l countries except Australia, but by far most numerously in Tropical South America. 3. MACEOCNEMUM. Macrocnemum, P. Br. Hist. Jam. p. 165 ; Bentt. et Hook. Gen. Plant, ii. p. 35. Lasionema, Don in Trans. Linn. Soc. xvii. p. 141. About ten shrubby and arboreous species, inhabiting Tropical America and the West Indies. / 1. Macrocnemum exsertum, GErst. in Vidensk. Meddel. 1852, p. 23. Costa Eica {(Ersted). U 2. Macrocnemum glabrescens, Wedd. in Ann. Sc. Nat. ser. 4, i. p. 76. Lasionema glabrescens, Benth. Bot. Voy. ' Sulphur/ p. 105. Costa Eica, Nicoya [Hinds) ; Panama, common about Lion-Hill railway-station {S. Hayes), river Chagres [Seemann). — Colombia. Hb. Kew. 4. BOUVAEDIA. Bouvardia, Salisb. Parad. Lond. t. 88 ; Benth. et Hook. Gen. Plant, ii. p. 36. Herbs and shrubs, inhabiting Mexico, Guatemala, and Colombia, and most numerous in the first country. The genus probably comprises about thirty species; but, as it is greatly in need of revision, the number is uncertain. 1. Bouvardia angUStifolia, H. B. K. Nov. Gen. et Sp. iii. p. 384 ; Schl. in Linnsea, xxvi. p. 60. South Mexico, near San Augustin de las Cuevas and Moran, at 6600 to 7800 feet [Humboldt & Bonpland), Misteca Alta and Sierra de Yavesia, near Oaxaca, at 5500 to 7500 feet [Qaleotti, 2650 c). Hb. Kew. 2. Bouvardia bicolor, Kze. in Linnsea, xx. p. 24 ; Schl. in Linnsea, xxvi. p. 63. Mexico. 3. Bouvardia cavanillesii, DC. Prodr. iv! p. 366. Bouvardia multiflora, Schl. in Linnsea, xxvi. p. 86.. South Mexico, mountains of Juquila [Hartweg), Cumbre de Estepa [Liebmann). Hb. Kew. 4. Bouvardia chlorantha, Bertol. ex Schl. in Linnaja, xxvi. p. 64. Houstonia chlorantha, Bertol. Elench. p. 5. Mexico. o ETJBIACE^. 5. Bouvardia Chrysantha, Mart. Delect. Sem. Hort. Monac. 1848, p. 4, adnot., ex Schl. in Linnsea, xxvi. p. 65. South Mexico, near Santiaguillo (KarwinsM). 6. Bouvardia COrdifolia, DC. Prodr. iv. p. 366; Caiques des Dess. Fl. Mex. 487. South Mexico (Mogino et SessS), near Morelia de Michoacan, at 6500 feet {Galeotti, 2584). "J 7. Bouvardia COrymbosa, (Erst, in Vidensk. Meddel. 1852, p. 25. Nicaragua, Segovia {(Ersted). Hb. Kew. B. crocata is, according to Schlechtendal (Linnsea, xxvi. p. 67), only a catalogue name. 8. Bouvardia flava, Dene, in Flore des Serres, i. p. 215 ; Bot. Eeg. 1846^ t. 32 ■ Schl. in Linnsea, xxvi. p. 68. Mexico {Ghiesbreght). 9. Bouvardia glaberrima, Engelm. Bot. Wisliz. Exped. p. 22; Schl. in Linnsea, xxvi. p. 71. North Mexico, Cosiquiriachi {Wislizenus). 10. Bouvardia glabra, Polak. in Linnsea, xli. p. 565. Costa Eica, San Jose [PolaJcoiosJcy). 11. Bouvardia hirtella, H. B. K. Nov. Gen. et Sp. iii. p. 384 ; Schl. in Linnsea, xxvi. p. 72. New Mexico. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 298) ; South Mexico, near the city of Mexico, at 7000 feet {Humboldt & Ponpland), Jalapa {Coulter, 206), Zacuapan and Misteca Alta, at 7500 feet {Galeotti, 2621), region of Orizaba {Bourgeaw, 2803 ; Botteri, 923), Chinantla {lAehmann), Leon {Ilartweg). Hb. Kew. 12. Bouvardia houtteana, Schl. in Flore des Serres, x. t. 1024. Mexico. 13. Bouvardia hypoleuca, Benth. Pi. Hartw. p. 288; Schl. in Linnsa, xxvi. p. 75. North Mexico, Sierra Madre {Seemann) ; South Mexico, Aguas Calientes {Hartweg), without locality {Bates). Hb. Kew. 14. Bouvardia lavis, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 236. South Mexico, Zacuapan, at 3000 feet {Galeotti, 2600 ; Linden, 1257 bis). Hb. Kew. EUBIACE^, 9 15. Bouvardia leiantha, Benth. Pi. Hartw. p. 85 ; Schl. in Linnsa, xxvi. p. 78. South Mexico, Chiapas (Ghiesireght) ; Guatemala, Chimaltemango [Hartweg), Duenas {Fraser), Llano de Jocotenango {Bernoulli), Volcan de Fuego, 4950 feet (Salvin). Hb. Kew. 16. Bouvardia linearis, H. B. K. Nov. Gen. et Sp. iii. p. 383; Schl. in Linnsea, xxvi. p. 79. South Mexico, near San Augustin de las Cuevas, at 6600 to 7800 feet (Humboldt & Bonpland), Bolaiios {Hartweg), Tepic {Sinclair). Hb. Kevr. 17. Bouvardia microphylla, Schl. in Linnsea, xxvi. p. 112. South Mexico {Schiede). 18. Bouvardia mollis, Linden ex Schl. in Linnsea, xxvi. p. 85. Mexico. 19. Bouvardia myrtifolia, Schl. in Linnsea, xxvi. p. 121. South Mexico, near the Hacienda de Cocoyotla {Schiede). 20. Bouvardia Obovata, H. B. K. Nov. Gen. et Sp. iii. p. 385 ; Schl. in Linnsea, xxvi. p. 89. South Mexico, between Chapultepec and Tezcuco, at 7200 feet {Humboldt & Bon- pland). 21. Bouvardia Ovata, A. Gray, Pi. Wright, ii. p. 67. Noeth Mexico, Sonora {Wright). 22. Bouvardia quaternifolia, DC. Prodr. iv. p. 365 ; Schl. in Linnsea, xxvi. p. 90. North Mexico, Camp Bowie, S. Arizona {Bothrock) ; South Mexico, around the city of Mexico {Alaman), near Morelia, at 7500 feet {Galeotti, 2597), Orizaba {Botteri, 604), without localities {Bates, Salle). Hb. Kew. 23. Bouvardia rosea, Schl. in Linnsea, xxvi. p. 116. South Mexico, San Jose del Oro (Schiede). 24. Bouvardia SCabra, Hook, et Am. Bot. Beech. Voy. p. 427. Bouvardia obovata, Benth. PI. Hartw. p. 16, nee H. B. K. South Mexico, Bolanos (Hartweg), Tepic (Sinclair). Hb. Kew. 25. Bouvardia SCabrida, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 237. South Mexico, Cordillera of Oaxaca, in woods at 6000 to 7000 feet (Galeotti, 2624). Hb. Kew. 26. Bouvardia SChiedeana, Schl. in Linnsea, xxvi. p. 123. South Mexico, Barranca de Tioselo (Schiede). 27. Bouvardia tenuiflora, Schl. in Linnsea, xxvi. p. 97. Mexico. BIOL. CENT.-AMEK., Bot. Vol. XL, April 1881. c 10 ErBIACE^. 28. Bouvardia tolucana, Hook, et Am. Bot. Beech. Voy. p. 427, in adnot. South Mexico, around Toluca {Andrieux, 332), here and there around Mexico {Schaffner). Hb. Kew. 29. Bouvardia triphylla, Salisb. Parad. Lond. t. 88. Bouvardia jacquini, H. B. K. Nov. Gen. et Sp. iii. p. 385. Bouvardia ternifolia, Schl. in Linnsea^ xxvi. p. 98. Bouvardia coccinea, Link, Enum. i. p. 139. Bouvardia splendens, Grab, in Bot. Mag. t. 3781. Ixora ternifolia, Cav. Ic. iv. p. 3, t. 305. Ixora americana, Jacq. Hort. Schoenb. iii. p. 4, t. 357. Houstonia coccinea, Andrews, Bot. Rep. t. 106. NoETH Mexico, near Monterey {Eaton & Edwards), ^onoxa {Wright) ; South Mexico, near the city of Mexico, at 7000 feet {Humboldt & Bonpland), valley of Mexico {JBour- geau, 99), Oaxaca {Ghiesbreght), Eeal del Monte {Coulter, 205), near Jalapa {Linden, 505), at 4000 feet {Galeotti, 2620). Hb. Kew. 30. Bouvardia versicolor, Ker, Bot. Eeg. t. 245 ; Schl. in Linnsea, xxvi. p. 109. South Mexico, near San Francisco, Tetecala {Schiede). 31. Bouvardia viminalis, Schl. in Linnsea, xxvi. p. 120. South Mexico {Schiede). 32. Bouvardia Viperalis, Schl. in Linnsea, xxvi. p. 114. South Mexico, near Tenancingo {Schiede). 33. Bouvardia xylosteoides, Hook, et Am. Bot. Beech. Voy. p. 428, in adnot. South Mexico, near Oaxaca {Andrieux, 333). Hb. Kew. 5. MANETTIA. Manettia, Mutis in Linn. Mant. p. 558 ; Benth. et Hook. Gen. Plant, ii. p. 37. About thirty species of herbs and twining shrubs, limited to Tropical and Subtropical South America, Central America, and Mexico. ^ 1. Manettia barbata, (Erst, in Vidensk. Meddel. 1852, p. 25. Costa Rica, Aguacate {(Ersted), without locality {Endres, 1) 1 Hb. Kew. ^2. Manettia CUSpidata, Bertol. in Spreng. Syst. i. p. 415 ; DC. Prodr. iv. p. 368. South Mexico, Teapa, banks of the Eio Puyapatengo {Linden) ; Nicaeagua, Chon- tales {Seemann, 115; Tate, 196); Costa Eica, Aguacate {(Ersted), without locality {Endres, 2); Panama, Chagres {Fendler, 238), Empire railway-station {S. Hayes). — West Indies. Hb. Kew. 3. Manettia hirtella, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 238. South Mexico, Tonaguia, eastern Cordillera of Oaxaca, 4000 to 5000 feet {Galeotti, 2635). EUBIACEJE. 11 4. Manettia panamenis, Duch. et Walp. in Linngea, xxiii. p. 753. Panama (Duchassaing). 0. Manettia reclinata, Linn. Mant. p. 553 ; DC. Prodr. iv. p. 362. Mexico. 6. Manettia zimapanica, Hemsley, Diag. PI. Nov. pars altera, p. 30. Ramis gracilibus teretibus, junioribus puberulis^ foliis breviter petiolatis ovato-lanceolatis acumi- natis acutis sparse puberulis glabrescentibus venis lateralibus apicem versus excurrentibus^ pedunculis terminalibus 3-5-floris, floribus pedicellatis, calycis lobis elongatis lineari-sulcatis obscure sermlatisj corolla tubulosa. Frutex erectus ?, ramis teretibus, gracilibus, junioribus puberulis. Folia breviter petiolata, sub- membranacea, ovato-lanceolata, 2^-4-pollicaria, longe acuminata, acuta, subtus praecipue puberula, demum glabrescentia, venis lateralibus conspicuis, apicem versus excurrentibus, petiolo 1-2 lin. longo ; stipulse latse, breves, persistentes. Flores corymbosi, glabri, pedicellati ; corymbi terminales, 3-5-flori, breviter pedunculati, pedicellis gracilibus, 5-9 lin. longis; bractese minutse, subulatae ; calycis lobi lineares, subulati, 6-8 lin. longi, tubo brevi, hemi- sphserico ; coroUse tubus fere rectus sesquipoUicaris, limbus lobis ovato-oblongis, obtusis, 2-3 lin. longis ; stamina breviter exserta ; ovarium multiovulatum, placentis erectis. Mexico, Zimapan {Coulter, 203). Hb. Kew. ^ 7. Manettia, sp, Guatemala (Friedrichsthal). Hb. Kew. 6. ALSEIS. Alseis, Schott in Spreng. Syst. Cur. Post. p. 404 ; Benth. et Hook. Gen. Plant, ii. p. 38. Two South-American species besides A. hlackiana. ^ 1. Alseis blackiana, Hemsley, Diag. PL Nov. pars alt. p. 30. (Tab. XXXVII.) Glabrescens, ramis teretibus, foliis leviter puberulis et subtus in axillis venarum barbatis obovato- oblongis utrinque attenuatis obtusiusculis, floribus hermaphroditis dimorphis supremis staminibus inclusis, calyce subinsequaliter 5-dentato, dentibus triangularibus acutis vel obtu- siusculis, corolla glabrescente breviter 5-dentata, dentibus rotundatis, filamentis basi ad medium squamuloso-barbatis, ovario puberulo multiovulato. Arbor 40-50-pedalis, ramis teretibus, glabris. Folia petiolata, fere membranacea, obovato-oblonga, suprema 3-4-pollicaria, utrinque attenuata, obtusiuscula, sparse puberula, et subtus in axillis venarum lateralium parallelarum conspicuarum barbata, petiolo semipollicari ; stipulse lanceo- lato-subulatse, 4-5 lin. longse, cito deciduse. Flores bermaphroditi, bracteati ; bractese subu- latae, deciduae; calyx subinsequaliter 5 -dentatus, dentibus triangularibus, acutis vel obtusius- culis j corolla glabrescens, breviter 5-dentata, dentibus rotundatis ; stamina florum inferiorum longe exserta, superiorum inclusa ; filamenta sursum usque ad medium squamuloso-barbata ; antberse dorso aifixae ; ovarium puberulum, multiovulatum. Panama, in dense woods {Hayes, 665). Hb. Kew. EXPLANATION OF TAB. XXXVII. Fig. 1, a flower from the lower part of the inflorescence; 2, the same laid open, showing the hairy filaments ; 3, ovary and calyx ; 4, a flower from the upper part of the inflorescence ; 5, a section of an ovary showing the pendulous placentas. All enlarged. c2 12 exjbiacilj:. 7. CALYCOPHYLLUM. Calycophyllum, DC. Prodr. iv. p. 367 (excl. sp. 3 et 3) ; Benth. et Hook. Gen. Plant, ii. p. 38. Two or three arboreous species inhabiting Tropical America, from Mexico to the Amazons river. \l 1. Calycopliyllum candidissimum, DC. Prodr. iv. p. 367. Macrocnemum candidissimum, Vahl, Symb. ii. p. 38, t. 30. South Mexico, Chacalapa Estata {Liebmann) ; Sax Salvadob, Conchagua {Hinds) ; HoNDUEAS, Gulf of Fonseca {Sinclair) ; Nicaeagua {(Ersted) ; Panama, Paraiso railway- station {S. Hayes, 441). — Colombia, Guiana, Cuba. Hb. Kew. 8. RAVNIA. Ravnia, (Erst, in Vidensk. Meddel. 1852, p. 49 ; Benth. et Hook. Gen. Plant, ii. p. 40. Limited to the following species, which is an epiphytal shrub. 1. Ravnia triflora, CErst. in Vidensk. Meddel. 1852, p. 49. Costa Eica, Candelaria, at 7000 to 8000 feet {(Ersted). Hb. Kew. 9. COSMIBUENA. Cosmibuena, Ruiz et Pav. Fl. Peruv. iii. p. 3, t. 226 ; Benth. et Hook. Gen. Plant, ii. p. 40. A Tropical- American genus of about sis shrubby species. 1. Cosmibuena macrocarpa, Kl. ex Walp. Eep. vi. p. 69. Buena macrocarpa, Benth. Bot. Voy. ' Sulphur/ p. 104, t. 38. Panama, AspinwaU {S. Hayes, 371), Chagres {Fendler, 296). — Colombia. Hb. Kew. i 2. Cosmibuena skinneri, Hemsley, Buena skinneri, Gilrst. in Vidensk. Meddel. 1852, p. 26. NicAKAGUA, Volcan de Masaya {(Ersted). Hb. Kew. This species differs from all the others in the calyx-tube being truncate and entire or very minutely toothed. 10. COUTAREA. Cffutarea, Aubl. PI. Gui. i. p. 314, t. 122 ; Benth. et Hook. Gen. Plant, ii. p. 42. Six shrubby and arboreous species, all restricted to Tropical ximerica. 1. Coutarea flavescens, DC. Prod. iv. p. 350 ; Caiques des Dess. Fl. Mex. 459. South Mexico {Mogino & SessS). 2. Coutarea latiflora, DC. Prodr. iv. p. 350 ; Caiques des Dess. Fl. Mex. 458. South Mexico {Mo^n^ & SessS), Puebla {Andrieux, 337) 1 Hb. Kew. RUBIACE^. 13 3. Coutarea mexicana, Zucc. et Mart, ex DC. Prodr. iv. p. 350. Mexico. This is probably the Portlandia mexicana described below. V^4. Coutarea speciosa, Aubl. PL Gui. i. p. 314, 1. 122. Panama, on the beach near Panama (aS'. Hayes, 181). — Colombia; Venezeala ; Teini- DAD; Guiana; Brazil. Hb. Kew. 5. Coutarea, sp. South Mexico, Vera Cruz (Gouin), Yucatan (Linden, 1263 bis). Hb. Kew. Both of these specimens may belong to the widely dispersed C. speciosa. 11. EXOSTEMMA. Exostemma, Rich, in Humb. et Bonpl. PI. ^quin. i. p. 131, t. 38 {Exostema) ; Beath. et Hook. Gen. Plant, ii. p. 42. Shrubs or small trees. About twenty species, chiefly concentrated in the West Indies, but extending from Florida and Mexico southward. 1. Exostemma Canescens, Bartl. ex DC. Prodr. iv. p. 359. Mexico ; Guatemala [Skinner) % Hb. Kew. / 2. Exostemma caribasum, Eoem. et Schult. Syst. v. p. 18. Cinchona caribcea, Jacq. Amer. t. 179. fig. 65 ; Obs. ii. t. 17. Flokida. — South Mexico, Zimapan {Coulter, 224) ; Nicaragua, west side {(Ersted). — And common in the West Indies. Hb. Kew. 3. Exostemma COUlteri, Hook. fil. in Hemsl. Diag. PL Nov. pars altera, p. 32. Glabrum, ramis graeilibus teretibus, foliis confertis coriaceis nitidis ovato-oblongis acuminatis basi cuneatisj floribus parvis cymoso-corymbosis brevissime pedicellatis, cymis paucifloris termi- nalibuSj calycis dentibus subulatis persistentibus, corolla fere cylindrica brevissime lobata, lobis rotundatis vix patentibus, staminibus inclusis, capsula oblonga dentibus calycinis coronata, seminibus utrinque alatis. Frutex glaberrimus, ramis graeilibus, dense foliatis. Folia petiolata, coriacea, nitida, ovato- oblonga, 2-3i-pollicaria, acuminata^ acutiuseula, basi cuneata, petiolo gracili, circiter 3 lin. longo; stipulse subulatse, deciduse. Flores parvi, brevissime pedicellati, cymoso-corymbosi, bracteati; corymbipauciflori, folia vix sequantes,terminales; bractese minutissimBe; calycis dentes subulati, persistentes ; corolla fere cylindrica, 6-8 lin. longa, brevissime lobata, lobis rotundatis, erectis vel vix patentibus ; stamina inclusa. Capsula oblonga, 2-3 lin. longa, calycis dentibus coronata, seminibus utrinque alatis. Mexico, Zimapan {Coulter, 209). Hb. Kew. Easily distinguished from all previously described species by its shortly lobed corolla and included stamens. "^4. Exostemma longicuspe, CErsted in Vidensk. Meddel. 1852, p. 26. Costa Eica, near Puntarenas {(Ersted). Hb. Kew. 14 ETJBIACEiE. 5. Exostemma mexicanum, A. Gray, in Proc. Am. Acad. V, p. 180. South Mexico, near Tantoyuca, Huasteca {Ervendberg, 125), Sierra San Pedro Nolasco (Jurgemen, 517). Hb. Kew. Tribe III. HENRIQUEZIE^. Henriqueziem, Bentt. et Hook. Gen. Plant, ii. pp. 8, 12. A South-American tribe of two genera and five species, extending from North. Brazil to Venezuela, but not hitherto found within the limits of our flora. Tribe IV. COND AMINES. Condaminece, Benth. et Hook. Gen. Plant, ii. pp. 8, 12. Nine genera are referred to this tribe, seven of which are American, and two peculiar to the Pacific and Molucca Islands. 12. CONDAMINEA. Condaminea, DC. Prodr. iv. p. 402 ; Benth. et Hook. Gen. Plant, ii. p. 44. Five or six species of small trees or shrubs, inhabiting western Tropical America, from Bolivia to Panama. ^ 1. Condaminea corymbosa, DC. Prodr. iv. p. 402. Macrocnemum corymbosum, Ruiz et Pav. El. Peruv. ii. p. 48, t. 189. Panama, Veraguas {Hinds), Boquete {Seemann, 1593). — Southward to Bolivia. Hb. Kew. 13. EUSTIA. Rustia, Kl. in Hayne Arzeneigew. xiv. sub tab. 15 ; Bentb. et Hook. Gen. Plant, ii. p. 45 {Tresan- thera et Henlea, Karst. Fl. Colomb. i. p. 37, t. 19, et p. 157, t. 78). A wholly New-World genus of six or seven arboreous species, extending from Guate- mala to Brazil. 1. Rustia occidentaKs, Hemsley. Exostemma ocddentale, Benth. Bot. Voy. ' Sulphur,' p. 104. Guatemala (Friedrichsthal) ; Panajvia, Chagres (Fendler, 289). — Colombia. Hb. Kew. The Panama specimens differ from the others in having much smaller leaves. 14. POETLANDIA. Portlandia, P. Br. Hist. Jam. p. 164, t. 11 ; Benth. et Hook. Gen. Plant, ii. p. 45. About eight shrubby and small arboreous species, inhabiting the West Indies and Mexico. 1. Portlandia mexicana, Hemsley, Diag. Pi. Nov. pars altera, p. 31. Glaberrima, ramis teretibus vel obsolete angulatis, foliis confertis crasse coriaceis nitidis oblongis. EITBIACE^. 15 floribus amplis axillaribus solitariis breviter pedunculatisj calycis lobis lineari-oblongis acuti- usculis persistentibuSj corolla late infundibuliformij lobis triangulari-rotundatis, staminibus inclusiSj capsula turbinata^ seminibus numerosissimis minute granulatis. Frutex glaberrimus^ ramis teretibus vel obsolete angulatis. Folia petiolata^ crasse coriacea, nitida, oblonga, 3-3-pollicariaj mucronataj margine recurva, petiolo crasso cireiter 1^2 lin. longo ; stipulse triangulares^ subulatse. Flores solitarii, axillares, pedunculati, pedunculis 4—6 lin. longis, basi bibraeteatis j bractese rQinutse^ persistentes; calycis lobi lineari-oblongi, 4-6 lin. longi, acutiusculi, persistentes ; corolla late infundibuliformis, 3^3-pollicaris, intus basi hirsuta, lobi triangulati^ rotundati ; stamina inclusa ; filamenta filiformia ; antherae angustae, sequilongEe. Capsula turbinata, cireiter 9 lin. longa, lobis calycinis coronata; semina numero- sissimaj minuta, granulata. — Coutarea mexicqna, Zucc. et Mart, in DO. Prod. iv. p. 350 ? South Mexico, Zimapan {Coulter, 225). Hb. Kew. There is little donbt that this is the Coutarea mexicana of the ' Prodromus ;' but the description there given is too meagre to decide the question. 15. POGONOPUS. Pogonopus, Kl. in Monatsber. Akad. Wiss. Berlin, 1853, p. 500 j Benth. et Hook. Gen. Plant, ii. p. 47. Howardia, Wedd. in Ann. Sc. Nat. ser. 4, i. p. 66, t, 10. About six shrubby and arboreous species, restricted to Tropical America. 1. Pogonopus exsertus, (Erst. Act. Soc. Hist. Nat, Havn. 1852, p. 45; L'Amer. Centr. p. 17, t. 13. Howardia caracasensis, Wedd. in Ann. Sc. Nat. ser. 4, i. p. 71, t. 10. figg. 4-7 j Bot. Mag. t. 5110. Calycophyllum tubulosum, Seem. Bot. Voy. ' Herald,^ p. 135, nee DC. CosTA EicA {(Ersted); Panama, Mamei railway-station {8. Hayes, 164). — Venezuela; Colombia. Hb. Kew. Tribe V. RONDELETIEiE. RondeletiecB, Benth. et Hook. Gen. Plant, ii. pp. 8, 12. There are sixteen genera of this tribe, all American except one (Madagascar), and all except two limited to America. 16. WARSCEWICZIA. Warscewiczia, Kl. in Monatsber. Akad. Wiss. Berlin, 1853, p. 496 ; Benth. et Hook. Gen. Plant, ii. p 48. Three or four shrubby or small arboreous species, confined to Tropical America. "^1. Warscewiczia COCCinea, Kl. in Monatsber. Akad. Wiss. Berlin, 1853, p. 496. ': - Calycophyllum coccineum, DC. Prodr. iv. p. .367, Macrocnemum coccineum, Vahl, Symb. ii. p. 38, t. 29, 16 EUBIACEiE. Panama, Falls of the Obispo (*S'. Hayes, 102; Salvin). — Colombia; Peru; Teinidad. Hb. Kew. 1/ 2. Warscewiczia pnlcherrima, Kl. in Monatsber. Akad. Wiss. Berlin, 1853, p. 496. Panama, Chiriqui (Warscewicz). Hb. Kew. This does not appear to differ specifically from W. coccinea. 17. EONDELETIA. Rondeletia, Linn. Gen. Plant, n, 324 j Benth. et/Hook. Gen. Plant, ii. p. 48. lAghtfootia, Schreb. Gen. Plant, p. 122. Willdenovia, Gmel. Syst. ii. p. 362. Arachnimorpha, Desv. in Ham. Prodr. Fl. Ind. Occ. p. 28. Stevensia, Poit. in Ann. Mus. Par. iv. p. 235^ t. 60. Arachnothryx, Planch, in Flore des Serres, v. sub tab. 442. Bagiera, Planch, in Flore des Serres, v. t 442, A genus of sixty or seventy species of shrubs and trees, confined to Tropical America and the West Indies, but most numerous in Mexico, Central America, and Colombia. We give descriptions of all the Mexican and Central- American species known up to the present time. ^1. Rondeletia affinis, Hemsley, Diag. PL Nov. pars altera, p. 28. Foliis lanceolato-oblongis utrinque valde attenuatis discoloribus subtus cano-pubescentibus, floribus parvis tetrameris pubescentibus cymoso-confertis sessilibus vel brevissime pedicellatis, cymis breviter pedunculatis in paniculas spiciformes dispositis, calycis lobis oblongis obtusis insequa- libus reflexis, coroUse tubo brevi supeme paulo dilatato, lobis rotundatis undulatis, ore nudo, ovario lanato, capsula glabra parva oblonga, seminibus minutis numerosissimis. Frutex, ramis obscure quadrangulatis, junioribus cano- vel rufo-pubescentibus. Folia petiolata, lanceolato-oblonga, 25-5-pollicariaj utrinque attenuata, acuta, discoloria, supra parce pilosula, dense reticulato-venosa, subtus cano-lanata, nervis lateralibus prominentibus, petiolo l|-3 lin. longo ; stipulse 2-8 lin. longse. Flores tetrameri, cano-pubescentes, cymoso-conferti, sessiles vel brevissime pedicellati, cymis saepissime 6-12-floris, breviter pedunculatis, in paniculas angustas spiciformes terminales et laterales dispositis ; calycis lobi oblongi, obtusi, insequales, circiter 5 lin. longi, reflexi ; coroUse tubus 2-3 lin. longus, gracilis, sursum leviter et sensim ampliatus, intus basi hirsutus, limbus lobis circiter lineam longis, rotundatis, undulatis, os nudum; ovarium lanatum. Capsula oblonga, 1^ lin, longa, seminibus numerosissimis, minutis, punctulatis. Mexico, Chiapas (Ghiesbreght, 686), Sierra de Zongolica {Botteri, 1017) ; Costa Eica {Endres, 226) ; Panama, Boquete {Seemann, 1594). Hb. Kew. This species is allied to E. lanijlora and B. villosa, differing in its smaller flowers &c. Both long- and short-styled forms exist. The specimens from Costa Rica and Veraguas have leaves twice the size of the Mexican. ^ 2. Rondeletia amoena, Hemsley, Diag. PL Nov. pars altera, p. 26. Ramis teretibus superioribus compressis crassiusculis foliisque plus minusve hirsutis, foliis amplis ovato-ellipticis, stipulis maximis, floribus pentameris pubescentibus cymoso-corymbosis, calycis EUBIACE^. 17 lobis obovato-oblongis inaequalibuSj coroUae tubo circiter 6 lin. longo superne paulum dilatato, lobis rotundatisj ore villosOj capsula birsuta, seminibus alatis. Frutex pluripedalis, ramis teretibus vel compressiSj crassiusculis, foliisque plus minusve villoso- hirsutis. Folia petiolata vel fere sessilia, ovato-elliptica, 4-6-pollicariaj acute acuminata^ basi rotundata, supra glabrescentia, subtus deuse birsuta, petiolo 1-3 lin. longo; stipulae ex oblongis usque ad late ovato-elliptieaSj 6-8 lineas longse. Flores pentameri, hirsuti^ cymoso- corymbosi, breviter pediceUati; corymbi amplij terminalesj tricbotomi ; bractese minutae ; calycis lobi insequaleSj oblongo-obovati ; coroUse tubus 5-8 bn. longus, superne paulum dilatatus, intus villosus, limbus lobis rotundis, patentibus, quam tubus dimidio brevioribus, os villosum. Capsula didymo-globosa, 3 lin. diametro, birsuta, lobis calycinis coronata ; semina pauca, com- pressa^ testa irregulariter alata. — Rogiera amcena, Planch, in Fl. des Serres^ v. (1849), p. et t. 442 ; Rogiera menechma, Planch, loc. cit. ; Paxt. PI. Gard. ii. p. 41, cum ic. xylogr. ; Rondeletia versicolor, Hook. Bot. Mag. t. 4579 ; Rogiera versicolor, Lem. Jard.-Pleur. ii. 1. 112 ; Rogiera latifolia, (Erst, in Vidensk. Meddel. 1852, p. 21 ; Rogiera rugosa, Benth. loc. cit. ; Rogiera latifolia. Dene, in B,ev. Hort. 1853, p. 121, t. 7 ; Rondeletia macrophylla hort. NicAEA&UA, Segovia {(Ersted, 76) ; Costa Eica, Cartago {(Ersted, 6].) ; Panama, Boquete (Seemann, 1182 ; Bridges). Hb. Kew. There are both long- and short-styled flowers. 3. Rondeletia buddleoides, Benth. (Char, reform.) Ramis teretibus gracilibus glabris, foliis lanceolatis acuminatis acutis discoloribus supra nitidis subtus albo-tomentosis, floribus parvis tetrameris plus minusve albo-tomentosis sessilibus cymoso-paniculatis, paniculis angustis thyrsoideis terminalibus, calycis lobis parvis inaequalibus lineari-oblongis obtusis, corollse tubo gracib circiter 3 lin. longo, lobis rotundatis, ore nudo, capsula subglobosa vix 2 lin. diametro. Frutese 4-5-pedalis, ramis teretibus, gracilibus, cito glabris. Folia petiolata, subcoriacea, lanceo- lata, 3-4-pollicaria, longe acuminata, acuta, margine revoluta, discoloria, supra glaberrima, nitida, subtus albo-tomentosa, petiolo gracili, 2-3 lin. longo ; stipulae ovato-lanceolatae. Flores tetrameri, sessiles, cymoso-paniculati ; paniculae angustse, thrysoidae, terminales, 3-4- poUicares ; calycis lanati lobi lineari-oblongi, obtusi, circiter semilineam longi, reflexi ; coroUae tubus plus minusve tomentosus, tenuis, cylindricus, 3-4 lin. longus, intus hirsutus, limbus lobis rotundatis, os nudum. Capsula parva, globosa. — Benth. PI. Hartw. p. 69. Arachnothryx buddleoides, Planch, in Fl. des Serres, v. p. 442. South Mexico, Llano Verde [Hartweg). Hb. Kew. 4. Kondeletia capitellata, Hemsley, Diag. Pi. Nov. pars altera, p. 28. Strigilloso-pilosa, ramis teretibus vel infra nodos tetragouis, foliis membranaceis lanceolato-oblongis utrinque attenuatis nervis lateralibus subtus conspicuis, floribus parvis tetrameris subsessilibus SEepe capitellatis, capitellis breviter pedunculatis in paniculas angustas terminales dispositis, calycis lobis ovato-oblongis obtusis reflexis, coroUae tubo gracili 3-4 lin. longo, lobis rotun- datis undulatis, ore nudo. Frutex, ramis teretibus vel infra nodos tetragonis, junioribus cinereo-strigiUosis. Folia petiolata, submembranacea, lanceolato-oblonga, 3-5-pollicaria, utrinque attenuata, acuta, prsecipue subtus strigiUoso-pilosa, et nervis lateralibus conspicuis, petiolo 2^ Mn. longo; stipulae lanceolato-subulatae, 3-4 lin. longse. Flores tetrameri, plus minusve cinereo-strigillosi, sub- sessiles, saepe capitellati, capitellis breviter pedunculatis; calycis lobi ovato-oblongi, obtusi, i_| lin. longi, reflexi; coroUae tubus gracilis, cylindricus, 3-4 lin. longus, limbus lobis rotun- datis, undulatis, os nudum. Capsula ignota. BIOL, cent.-ambk., Bot. Vol. II., April 1881. d 18 EUBIACE^. South Mexico, Sierra de San Pedro Nolasco (Jurgensen, 355, 376), Joya, Oaxaca (Liehmann, 202), Hb. Kew. l/ 5. Kondeletia COrdata, Benth. (Char, reform.) Glabrescens, ramis teretibus vel inflorescentiEe ramulis quadrangulatis, foliis subsessilibns sub- coriaceis amplis cordato-oblongis vel cordato-ovatis acuminatis, stipulis foliaceis, floribus pentameris obscure puberulis cymoso-corymbosis pedicellatis, corymbis terminalibus pyrami- datisj calycis lobis parvis triangularibus obtusissimis, coroUse tubo 3-5 lin. longo crassiusculo intus hirsuto, lobis rotundatis farinaceis^ ore villoso-barbato. Frutex 4-8-pedalis {Hartweg), arbor formosa {Salvin), ramis teretibus vel supremis quadrangulatis. Folia subsessiliaj cordato-ovata vel cordato-oblongaj 4-8-poUicaria, acuminata, obtusa, sub- coriaceaj primo parce puberula, dein glabra, petiolo brevissimo, crasso; stipulse foliacese, circiter 6 lin. longse, reflexse. Flores roseo-albi, pentameri, plus minusve puberuli, cymoso- corymbosi, breviter pedicellati, corymbis terminalibus, pyramidatis; calycis viridis lobi sub- insequales, triangulari-rotundati, circiter \ lin. longi ; coroUae tubus crassiusculus, 3-5 lin. longus, superne leviter dilatatus, intus hirsutus, limbus lobis parvis, rotundatis, farinaceis, os villoso-barbatum. Capsula globosa, 1| lin. diametro. — Rondeletia cordata, Benth. PI. Hartw. p. 85 J Roffiera cordata, Plancb. in M. des Serres, serie 1, v. p. 442 a, viii. t. 754. Guatemala, declivities near the city of Guatemala (Hartweg), Volcan de Fuego, 6500 feet (Salvin). Hb. Kew. The flowers of this species are dimorphic in the relative length of the style and stamens. 6. Rondeletia dubia, Hemsley, Diag. PI. Nov. pars altera, p. 28, E,amis supremis subtetragonis, foliis petiolatis ovatis junioribus supra dense pubescentibus subtus saltern junioribus albo-lanatis, floribus lanatis tetrameris dense cymoso-corymbosis, corymbis interdum capituliformibus, calycis lobis lineari-lanceolatis acutis vel obtusis tubo longioribus, coroUse tubo cylindrico vel sursum leviter dilatato, lobis oblongo-rotundatis undulatis, ore nudo. Frutex plus minusve lanatus, ramis supremis subtetragonis. Fo/ia breviter petiolata, ovata, circiter bipoUicaria, acuminata, acuta, discoloria, supra pubescentia, subtus, saltern juniora, albo- lanata, petiolo 1^-3 lin. longo; stipulae subscariosse, lanceolato-subulatae, 4-5 lin. longse. Flores lanati, tetrameri, breviter pedicellati, dense cymoso-corymbosi ; corymbi bracteati, interdum capituliformes ; calycis lobi lineari-lanceolati, obtusi vel acuti, 1^-3 lin. longi; corollse tubus cylindricus vel sursum leviter dilatatus, 4-6 lin. longus, extus lanatus, intus puberulus, limbus lobis oblongo-rotundatis, undulatis, os nudum; ovarium dense lanatum, multiovulatum. — Bouvardia discolor, Hook, et Am. Bot. Beech. Voy. p. 428. NoETH Mexico, Sierra Madre (Seemann, 2057) ; South Mexico, between Tehuantepec and Boca del Monte (Andrieux, 334). Hb. Kew. This is closely allied to B. leucophylla, of which some botanists might consider it a variety ; but it differs in its stouter branches, relatively broad leaves much more hairy above, and in the sherter more densely woolly flowers. 7. Rondeletia elongata, Bartl. " Foliis elliptico-oblongis utrinque acuminatis, supra pubescentibus, subtus albido-tomentosis demum calvescentibus, stipulis lanceolatis petiolos aequantibus, paniculis terminalibus longe pedunculaiis, floribus congestis, lobis calycinis linearibus tubo corollino triplo brevioribus. ETJBIACE^. 19 Media fere inter R. pubescentem et leucophyllum." — DC. Prodr. iv. p. 409. Arachnothryx elongata. Planch, in M. des Serres, v. p. 442. South Mexico, Acapulco (Rcenke). ^ 8. Eondeletia gracilis, Hemsley, Diag. Pi. Nov. pars tertia, p. 53. Glabrescens, ramulis gracilibuSj foliis membranaeeis graciliter petiolatis oblongo-lanceolatis utrinque attenuatis fere omnino glabrisj floribus parvis tetrameris parce arachnoideo-pubescentibus sub- sessUibus capitellatis^ capitellis breviter pedunculatis in racemos terminales dispositis, calycis lobis lineari-lanceolatis inaequalibus, coroUae lobis undulatis, ore nudo, capsula minus lineam diametro. Frutex, ramulis gracilibus, teretibus, cito glabrescentibus. Folia membranacea, graciliter petiolata, oblongo-lanceolataj 4-6-pollicaria, utrinque attenuata^ apice obtusiuscula, supra glaberrima, nitida, subtus cito glabrescentia et demum glaberrima, venis lateralibus distantibus^ latiusculis, prominulis ; petiolus circiter semipollicaris ; stipulse a basi latiore acuminatse, acutse, 1^-2 lineas longse. Flores parvi (4-5 lineas longi), parce arachnoideo-pubescentes, tetrameri, subsessiles, capitellati; capitella 2-6-flora, breviter pedunculata^ in racemos terminales 4-6 poll, longes disposita ; calycis lobi parvi, lineari-lanceolati, insequales ; coroUse tubus gracilis, lobi breves, rotundati, undulati, os nudum. Capsula minus quam lineam diametro ; semina non visa. Guatemala, Alta Vera Paz, 3600 feet {Turckheim, 404). Hb. Kew. 9. Eondeletia gratissima, Hemsley, Diag. Pi. Nov. pars altera, p. 25. Glabrescens, ramis teretibus crassiusculis, foliis valde coriaceis oblongo-ellipticis breviter acuminatis mucronulatis, floribus leviter puberulis pentameris pedicellatis cymoso-corymbosis, corymbis amplis terminalibus bemispheericis, calycis lobis minutis inaequalibus, coroUse tubo fere cylin- drico intus hirsuto, lobis parvis rotundatis planis farinaceis, ore dense villoso-barbato. Frutex, prseter flores, glaber (" glabrescens, ramulis tantum inflorescentise, ramis petiolis floribusque puberulis," Planchon, loc. inf. cit.). Folia petiolata, oblongo-eUiptica, 2— 2|^-pollicaria, mucro- nulata, basi rotundata, valde coriacea, opaca, glabra, petiolo crasso, circiter 2 Hn. longo ; stipulse triangulari-subulatse, 2-3 lin. longse. Flores roseo-albi, intus flavi, pentameri, extus leviter puberuli, pediceUati, cymoso-corymbosi ; corymbi terminales, densi, hemisphserici, 2—4 poll, diametro, bracteis minutissimis sufi'ulti ; calycis rubescentis lobi insequales, minus quam ^ lin. longi ; coroUse tubus gracilis, fere cylindricus, circiter 6 lin. longus, extus puberulus, intus birsutus, limbus lobis rotundatis, 1 lin. diametro, farinaceis, os dense barbato-villosum ; ovarium ^ lin. diametro, ovulis numerosissimis. — Rogiera gratissima, Planch, in Fl. des Serres, t. 1570, 1571 ; R. elegantissima, Regel, Gartenfiora, t. 490. South Mexico, Chiapas {Ghiesbreght). Our description was drawn up from a cultivated specimen, in which the styles were less than half the length of the tube of the corolla, and the stamens inserted near the mouth. 10. Eondeletia intermedia, Hemsley, Diag. Pi. Nov. pars altera, p. 26. Foliis glabrescentibus breviter petiolatis ovato-ellipticis acuminatis obtusis vel subacutis, stipulia amplis reflexis, floribus pentameris cano-pubesceutibus laxe cymoso-corymbosis breviter pedi- cellatis, calycis lobis ovato-oblongis subacutis, corollas tubo subcylindrico intus squamuloso- vUlosOj lobis rotundatis, ore squamuloso-viHoso. Frutex, ramis teretibus aut supremis quadrangulatis et puberulis. Folia breviter petiolata, ovato- elliptica vel fere rotundata, 3-4-pollicaria, obtusa vel subacuta, basi rotundata vel leviter 20 EUBIACE^. cordata, vix coriacea, juniora tamen puberula, petiolo 1-2 lin. longo ; stipulse oblongae, obtusse, 3-4 lin. longse, reflexse. Flores roseo-albi, pentameri, cano-pubescentes, laxe cymoso-corymbosi, breviter pedicellati ; corymbi terminales, trichotomi ; calycis lobi ovato-oblongi, subacuti, colorati (ut videtur), subinsequales, ^-1 lin. longi; coroUae tubus subcylindricus, 4-5 lin. longus, intus squamuloso-villosusj limbus lobis rotundatisj os villoso-squamulosum ; ovarium circiter 1 lin. diametrOj multiovulatum. South Mexico, Chiapas {Linden, 1659 & 1661), Sierra de San Pedro Nolasco {Jur- gensen, 798). Hb. Kew. Intermediate between B. cordata and B. amcena, and also having dimorphic flowers. 11. Kondeletia jurgeusenii, Hemsley, Diag. PL Nov. pars altera, p. 29. Eoliis petiolatis membranaceis ovato-lanceolatis acuminatis glabris ad apices ramulorum confertis, floribus glabris tetrameris cymosis, cymis axillaribus et terminalibus paucifloris, calycis lobis linearibus obtusis, corollse tubo gracili sursum leviter ampliato intus puberulOj lobis rotundatis undulatis, ore nudo. Frutex glaber, ramis teretibus. Folia ad apices ramulorum conferta, petiolata, membranacea^ ovato- lanceolata^ 2— 2J-pollicaTiaj acuminata, acuta, basi cuneata, petiolo 2-3 lin. longo ; stipulse parvae, deciduae. Flores glabri, tetrameri, pedicellati, cymosi; cymse axillares vel terminales, pauciflorse, lJ-2-pollicares ; calycis lobi lineares, obtusi, 1 lin. longi; corollse tubus gracilis, sursum leviter ampliatus, 6-8 lin. longus, intus puberulus, limbus lobis rotundatis, undulatis, 05 nudum ; ovula numerosissima. Capsuke valvse defnum usque ad basin fissse, ita ut 4-valvis evadit ; semina ? South Mexico, Sierra de San Pedro Nolasco (Jurgensen, 248). Hb. Kew. " 12. Eondeletia laniflora, Benth. (Char, reform.) Foliis amplis lanceolato-oblongis ellipticisve utrinque attenuatis supra glabris subtus incanis, floribus tetrameris extus arachnoideo-pubescentibus anguste cymoso-paniculatis brevissime pedicellatis, calycis lobis brevibus valde insequalibus, corollae tubo angusto supeme pauUo dilatato, lobis brevibus suborbicularibus undulatis, ore nudo, capsula hirsuta oblonga, seminibus numerosis- simis angulatis punctulatis. Frutex 8-10-pedalis, ramis teretibus, junioribus incanis. Folia petiolata, lanceolato-oblonga vel elliptica,4-7-pollicaria, utrinque acuminata, acuta vel obtusa, discoloria, supra cito glabrescentia, subtus cano vel fulvo arachnoideo-lanata, petiolo 3—6 lin. longo ; stipulse ovato-lanceolatae, 2-4 lin. longse, valde acuminatse. Flores tetrameri, extus arachnoideo-pubescentes, cymoso- paniculati, conferti, brevissime pedicellati; paniculae terminales vel laterales, 4-8-pollicares ; cymse pedunculatse, multiflorse ; bractese minutse ; calycis lobi inaequales, 1-2^ lin. longi, per- sistentes ; coroUse tubus fere cylindricus, vel sursum leviter et sensim ampliatus, gracilis, circiter 6 lin. longus, limbus lobis brevibus, suborbicularibus, valde undulatis, os nudum. Capsula hirsuta, oblonga, compressa, 3 lin. longa, calycis lobis coronata ; semina numerosissima, parva, irregulariter cubica, scrobiculata. — Benth, PI. Hartw. p. 85. Arachnothryx laniflora, Planch, in Fl. des Serres, v. p. 442. South Mexico, Orizaba (Bourgeau, 2618), Sierra de San Pedro Nolasco (Jurgensen, 918), Orizaba {Botteri, 1016, 1071); Guatemala, Sierra de Las Nubes {Hartweg). Hb. Kew. The Mexican specimens we have referred to this species have broader leaves than the type, and rather smaller flowers with long styles, the original specimens having short styles. EUBIACE^, 21 13. Rondeletia leucophylla, H. B. K. (Char, reform.) Ramis teretibus gracilibus^ foliis membranaceis lineari-lanceolatis acutis discoloribus subtus cano- lanatisj floribus tetrameris lanatis breviter pedicellatis dense cymoso-corymbosis, corymbis ter- minalibus axillaribusve pedunculatis ssepe capitiformibus, calycis lobis lineari-lanceolatis acutis, coroUse tubo gracili cylindrico, lobis rotundatis planis, ore nudo. Frutex plus minusve lanatus, ramis teretibus, gracilibus. Folia breviter petiolata, membranacea, lineari-lanceolata, 2-3-pollicaria, utrinque attenuata, acuta, discoloria, supra pilosula, subtus albo-lanata, petiolo circiter 1 lin. longo ; stipulse lanceolato-subulatse, 3^ lin. longse. Flores lanati, tetrameri, breviter pedicellati, dense cymoso-corymbosi ; corymbi terminales vel axiUares, pedunculati, ssepe capitiformes ; calycis lobi lineari-lanceolati, circiter 3 lin. longi, acuti, erecti ; coroUse tubus gracilis, cylindricus, 6-8 lin. longus, extus albo-lanceolatus, intus puberulus, limbus lobis rotundatis, planis, os nudum ; ovarium lanatum, multiovulatum. " Capsula sub- globosa, calyce coronata, albo-tomentosa, magnitudine baccee Piperis nigri, loculicido-bivalva ; semina creberrima, minutissima, subrotunda, ovata aut angulata, f uscescentia, reticulato-scabri- uscula." — H. B. K. Nov. Gen. et Sp. iii. p. 395, t. 290. Arachnothryx leucophylla, Planch, in PL des Serres, v. p. 443. South Mexico, between Alto del Peregrino and the Rio Papagallo [Humboldt & Bonjpland), Guatulco {Liebmann, 30), Sierra de San Pedro Nolasco {Jurgensen, 149). Hb. Kew. 14. Eondeletia ligUStroides, Hemsley, Diag. Pi. Nov. pars altera, p. 26. Ramis elongatis gracillimis, foliis petiolatis ovato-lanceolatis oblongisve insigniter acuminatis obtusis vel acutis, floribus parvis extus saepissime omnino glabris (sed. calyce interdum puberula) pentameris trichotomo-cymosis pedicellatis, cymis parvis ramulis fere filiformibus, calyce parvo minute 5-dentato, coroUse tubo cylindrico circiter 3-4 lin. longo, lobis brevibus rotundatis, ore flavo-villoso, capsula globosa parva, seminibus lenticularibus punctatis. " Frutex omnino glaberrimus, vel floribus interdum leviter puberulis, ramis elongatis, gracillimis. Folia petiolata, ovato-lanceolata vel oblonga, insigniter acuminata, obtusa vel acuta, 2-4-pollicaria, chartacea, subtus in axillis venarum leviter barbata, petiolo gracili 3-4 lin. longo ; stipulae parvse, triangulari-acutse. Flores (rosei ?) pentameri, extus saepissime glaberrimi, pedicellati, tricbo- tomo-cymosi ; cymse parvse, terminales vel laterales, ramulis fere filiformibus ; bractese minu- tissimae ; calyx interdum puberulus, vix 1 lin. longus, brevissime 5-dentatus, dentibus sequalibus, triangularibus ; coroUse tubus cylindricus, 3-4 lin. longus, intus pubescens, limbus lobis parvis, rotundatis, os valde barbato-viUosum, flavum. Capsula globosa, 1|- lin. diametro, glabra vel interdum leviter puberula ; semina numerosissima, lenticularia, punctata. South Mexico, Orizaba (Botteri, 474, 971, 951 ; Muller, 969, 1308 ; Bourgeau, 2622, 2518). Hb. Kew. A very distinct species in its slender branches, glabrous acuminate leaves, and small flowers. *^ 15. Eondeletia linguiformis, Hemsley, Diag. Pi. Nov. pars altera, p. 29. Ramis glaberrimis teretibus, foliis glaberrimis ovato-oblongis acuminatis, stipulis amplis lingui- formibus, floribus sericeis tetrameris numerosissimis dense hemisphserico-corymbosis subses- silibus, calycis lobis insequalibus, corollse lobis subquadratis farinosis, ore nee villoso nee annulosQ, capsula globosa polysperma, seminibus angulatis. Frutex, ramis teretibus, glaberrimis. Folia glaberrima, petiolata, elliptico-oblonga, 3-4-pollicaria, 22 ETJBIACE^. acuminata, obtusa vel acutiuscula, basi attenuata, petiolo 3-4 lin. longo ; stipulse 3-6 lin. longae, obovato-spathulatae, mucronatae. Flores sericei, mediocres, numerosissimi, corymbosi, subsessiles ; corymbi terminales, densi, ampli, subhemisphserici ; bractese et bracteolse lineares ; calycis lobi insequales, oblongo-obovati, ^J lin. longi j corollse tubus circiter 4 liu. longus, sursum leviter et sensim ampliatus, extus pubescens, intus glaber, limbus lobis patentibus, circiter 2 lin. longis, subquadrato-oblongis, obtusis, supra farinosis, os nudum; ovarium sericeum. Capsula subglobosa, ad 3 lin. diametro, polysperma ; semina irregulariter angulata, reticulato-tuberculata. Guatemala {Skinner). Hb. Kew, We have seen only one specimen of this, in which the style is about half as long as the corolla-tube, and the stamens are inserted just within the throat. V' 16. Rondeletia nicaraguensis, (Erst. " Eamis teretibus puberulis, foliis brevissime petiolatis oblongis coriaceis supra hirsutiusculis violaceo-viridibus subtus viUosiusculis pallidis, cymis laterabbus parvis contractis, calycis laciniis tubo longioribus acutiusculis, coroUse pentamerse vUlpsissimae tubo supra medium ampliato. Folia 2 poll, longa, 1-^ poU. lata, petiolis 2-3-linearibus, nervis primariis distinctis parallelis, secundariis vix ullis. Stipulse 3-4 lin. longse acuminatse hirsutse. Corollse 5 lin. longse."' — (Ersted in Vidensk. Meddel. 1852, p. 21. Nicaragua, Segovia {(Ersted) ; Panama {Hoenke). We have not seen any specimens of this species. 17. Rondeletia nitida, Hemsley, Diag. Pi. Nov. pars altera, p. 29. Ramis gracilibus, foliis discoloribus subtus incanis supra nitidis lanceolatis, stipulis ovato-lanceo- latis longe acuminatis, floribus cymoso-paniculatis cano-ramentaceis tetrameris, paniculis paucifloris, calycis lobis iuaequalibus orbiculari-oblongis, corollse tubo cylindrico, lobis orbicu- laribus undulatis, ore nudo. Frutex, ramis teretibus, gracilibus, glabris. Folia petiolata, anguste lanceolata, 2^^pollicaria, utrinque valde acuminata, vix acuta, margiae recurva, discoloria, supra nitida, infra inter nervos secundarios distantes incana, petiolo 2-3 lin. longo ; stipulse ovato-lanceolatse, acumi- natse, ad 2 lin. longse. Flores (rosei. Linden) cano-ramentacei, mediocres, cymoso-paniculati, breviter pedicellati ; paniculse terminales, pauciflorse, bracteis Hnearibus obtusis munitse ; calycis lobi inaequales, orbiculari-oblongi, J-f lin. longi ; corollse tubus cylindricus, circiter 6 lin. longus, intus basin versus sparse pilosulus, limbus lobis patentibus, orbicularibus undulatis, os nudum ; ovarium parvum, subglobosum ; ovula numerosissima. South Mexico, Chiapas {Idnden, 1660 ; Ghiesbreght, 728). Hb. Kew. The flowers are dimorphic, those of Linden's specimen having a style as long as the tube of the corolla and the stamens attached about halfway down ; whilst in Ghies- breght's specimen the style is less than half the length of the tube and the stamens are attached near its summit. Both forms appear to be fertile; but there are no mature seed-vessels. [18. Eondeletia odorata, Jacq. Amer. p. 59, t. 42. B. speciosa, Lodd. Bot. Cab. t. 1893, is a native of Cuba, and also of Mexico, ac- cording to DC. Prodr. iv. p. 408 ; but we have only seen Cuban specimens.] EUBJACE^. 23 '^19. Rondeletia panamensis, DC. (Char, reform.) Ramis teretibus junioribus viUosis, foliis amplis ovato-oblongis ovato-lanceolatisve sparse puberulis minute reticulato-Tenosis, floribus pentameris villosis breviter pedicellatis trichotomo-cymosisj calycis lobis ovato-lanceolatis acutis, corollse tubo cylindrico, lobis orbicularibus^ ore annulo einctOj capsula villosa lobis calycinis coronata, seminibus numerosis alatis. Frutex 12-15-pedalis [8. Hayes), ramis crassiusculis, junioribus tamen villosis. Folia petiolata, subcoriacea, ovato-lanceolata vel ovato-oblonga^ ssepe 3-5-pollicaria, interdum longiora, utrinque attenuataj obtusiuscula^ juniora puberula, sed cito glabra, minute insigniterque reticulato- venosa, petiolo 2-3 lin. longo ; stipulae triangulares, acutae, 2-3 lin. longse, patentes, persistentes. Flores villosi, pentameri, breviter pedicellati, cymoso-aggregati ; cymae densse, trichotomse, bracteis amplis munitse ; calycis lobi lanceolati, acuti, 2-3 lin. longi ; corollae tubus sursum leviter dilatatus, 5-6 lin. longus, crassiusculus, extus villosus, intus glaber, limbus lobis orbi- cularibus planis, glabris, os annulo cinctum. Capsula villosa, subglobosa, circiter 3 lin. diametro, calycis lobis coronata; semina numerosa, alata. — DC. Prodr. iv. p. 408. Panama {S. Hayes, 183), Darien (Seemann). Hb. Kew. Seemann (Bot. Voy. ' Herald,' p. 136) reduces B. eriantha, Benth., to this; but it differs widely in the venation of the leaves, in the calyx-lobes, seeds, «&c. '^20. Kondeletia roezlii, Hemsley. " Foliis oblongis (1-4 poll, longis) acuminatis chartaceis (baud crassis) ; laciniis calycinis lanceo- lato-linearibus acutiusculis tubo sesquilongioribus ; corollae tubo sursum leviter et sensim ampliato ; filamentis supra tubi corollini medium insertis, quam antherae e fauce semiexsertse paululum longioribus ; poUine flavescenti-albido ; stylo dimidium tubi parum superante ; divisuris stigmaticis linearibus." — Rogiera roezlii, Planet, in Fl. des Serres, v. p. 443. R. elegans, Planch. 1. c. " Poliis et inflorescentia R. roezlii ; divisuris calycinis tubo brevioribus ; filamentis medio tubi coroUini insertis ; stylo exserto ; divisuris stigmaticis linearibus." Guatemala. 21. Rondeletia SCabra, Hemsley, Diag. PI. Nov. pars altera, p. 29. Ramis teretibus junioribus bispido-pilosis, foliis ovato-oblongis utrinque attenuatis acutis supra scabridis subtus prsecipue in nervis lateralibus prominentibus hispido-pilosis, floribus tetra- meris strigillosis breviter pedicellatis in cymas breviter pedunculatas subtrifloras dispositis, calycis laciniis lanceolato-subulatis corollae aequilongis, corollae tubo cylindrico, lobis rotundatis undulatis, ore nudo. Frutex vel arbor, ramis teretibus, junioribus hispido-pilosis. Folia petiolata, subcoriacea, ovato- oblonga, 3-4-pollicaria, utrinque attenuata, acuta, supra scabrida, subtus praecipue in nervis lateralibus conspicuis piloso-hispida, petiolo 3-6 lin. longo ; stipulae lanceolato-subulatae, 3-4 lin. longae. Flores tetrameri, strigillosi, breviter pedicellati, in cymas breviter peduncu- latas subtrifloras dispositi ; calycis lobi lanceolato-subulati, circiter 6 lin. longi, extus intusque strigillosi ; corollae tubus cylindricus, extus strigUloso-pilosus, intus puberulus, 6 lin. longus, limbus lobis rotundatis, undulatis, os nudum; ovarium multiovulatum. Capsula a nobis ignota. South Mexico, Sierra de San Pedro Nolasco &c. {Jurgensen, 926). Hb. Kew. This is near B. pilosa, differing in its shortly pedunculate cymes &c. 24 ETJBIACEiE. 22. Rondeletia Stenosiphon, Hemsley, Diag. Pi. Nov. pars altera, p. 26. Eamis quadrangulatis junioribus parce strigulosis, foliis amplis coriaceis late ovato-ellipticis subtus prsecipue secus costam strigulosis, stipulis lanceolatis acuminatisjfloribus pentameris cano- vel fulvo-pubescentibus laxe cymoso-coiymbosis brevissime pedicellatisj calycis lobis miiiutis insequalibusj corollse tubo fere filiformij lobis brevibus oblongis, ore valde squamuloso-villoso. Frutex vel arbor, ramis quadrangulatis^ junioribus strigulosis. Folia petiolata^ coriacea, late ovato- ellipticaj circiter 5-pollicaria (inferiora fortasse grandiora), suprema multo minora^ obtusiuscula, concoloria, infra secus costam strigulosa, cseterum glabra, petiole 3-6 lin. longo ; stipulse lanceo- latsBj longe acuminatse. Flores pentameri, cano- vel cymoso-corymbosi, fulvo-pubescentes, laxe brevissime pedicellati ; corymbi terminales, tematim ramosi ; bractese rainutissimse ; calycis lobi minuti, inaequales ; coroUse tubus filiformis, 4-5 lin. longus, intus squamuloso-villosas, limbus lobis parvis, oblongis, os valde squamuloso-villosum ; ovarium globosum, \ lin. diametro. Capsula ignota. South Mexico, Yucatan and Tabasco (Johnson). Hb. Kew. The only specimen we have seen has an exserted style, and the stamens nearly reach the mouth of the tube of the corolla. >^23. Eondeletia strigosa, Hemsley. Ramis teretibus rigidis corrugatis trichotomis, foliis subsessilibus tematim verticillatis lanceolato- ovatis valde acuminatis acutis strigUlosisj floribus pentameris paucis ad apices ramulorum congestisj calycis lobis lineari-lanceolatis acutis quam tubus corollinus dimidio brevioribus, corollse tubo leviter strigilloso fere cylindrico, lobis obovato-spathulatis, ore flavo-villoso, capsula globosa ad 3 lin. diametro. Frutex, ramis rigidis, teretibus, corrugatis, glabris, trichotomis. Folia subsessilia, subcoriacea, ternatim verticillata, lanceolata, ovata vel fere elliptica, 1-2-pollicaria, acuminata, acuta, utrinque plus minusve strigillosa, nervis lateralibus conspicuis. Flores pentameri, strigilloso- pilosi, pauci in apices ramulorum congesti, breviter pedicellati ; calycis lobi lineares, lanceolati, acuti, 4-5 lin. longi, patentes ; corollse tubus fere cylindricus, 9-12 lin. longus, limbus lobis obovato-spathulatis vel fere orbicularibus, os flavo-villosimi. Capsula globosa, 3 lin. diametro; semina ? — Bouvardia strigosa, Benth. PL Hartw. p. 75. Guatemala, Zunil [Hartweg), Volcan de Fuego, 6000 to 6400 feet (Salvin). Hb. Kew. 24. Eondeletia villosa, Hemsley, Diag. PI. Nov. pars altera, p. 27. Novellis plus minusve villosis, foliis membranaceis amplis oblongo-eUipticis discoloribus subtus incanis, floribus parvis tetrameris cano-sericeis et strigillosis sessilibus vel brevissime pedicellatis in cymas paucifloras breviter pedunculatas aggregatis, cymis in paniculas angustas elongatas spiciformes dispositis, calycis lobis oblongis obtusis insequalibus tubo longioribus, corollse tubo tenui, lobis rotundatis undulatis, ore nudo, capsula subglobosa, seminibus angulatis punctulatis. Frutex, novellis plus minusve villosis. Folia petiolata, membranacea, oblongo-elliptica, 4-6-pollicaria, utrinque acuminata, discoloria, supra parce villosula, subtus in costa nervisque strigUloso- villosa, inter nervos cano arachnoideo-lanata, petiolo viUoso, 2—4 lineas longo ; stipulse ovato- lanceolatae, acutse, circiter 6 lin. longse. Flores (albi. Linden) parvi, tetrameri, extus cano-lanati, simul plus minusve strigillosi, sessiles vel brevissime pedicellati, in cymas paucifloras conferti, bracteis parvis interspersij cymse brevissime pedunculatse, in paniculas angustas elongatas EUBIACE^. 25 (6-8 poll.) spiciformes terminales et laterales dispositse ; calycis lobi oblongi, obtusi, insequales, tubo longiores ; coroUse tubus tenuis, cylindricus, 4-5 lin. longus, intus glaber, limbus lobis parviSj rotuudatis, undulatis, os nudum. Capsula glabrescenSj subglobosa, circiter 2 lin. dia- metro ; semina numerosissima, parva, angulata^ punctulata. South Mexico, San Pedro Nolasco &c. (Jurgensen, 806), Tabasco (Linden, 145), Tra- piche de la Concepcion (Liebmann, 70). Hb. Kew. Among the specimens at Kew are both long- and short-styled flowers. The following is an arrangement of the species of Bondeletia according to their afiinities : — § 1. Flores pentameri, coroUse ore annulo cincto. B. panamensis et odorata. § 2. Flores pentameri, coroUae ore plus minusve villoso. A. Foliis oppositis. B. gratissima, roezlii, stenodphon, amoena, intermedia, cordata, ligustroides et nicaraguensis. B. Foliis ternatim verticillatis. B. strigosa. § 3. Flores tetrameri, corollse ore nee annulo cincto nee villoso-barbato. A. Floribus plus minusve aracbnoideo-pubescentibus cymosis, cymis ssepissime in paniculas angustas elongatas spiciformes dispositis, interdum capitiformibus. B. villosa, laniflora, affinis, capitellata, gracilis, buddleoides, dubia, leucophylla, elongata et nitida. B. Floribus glabris vel saltern baud aracbnoideo-pubescentibus, inflorescentia varia, sed non anguste paniculata. B.jurgenseni, scabra et linguiformis. 18. ELtEAGIA. ElcBagia, Wedd. Monogr. Cinch, p. 94 ; Benth. et Hook. Gen. Plant, ii. p. 50. Three species of tall trees, inhabiting the Andes of Colombia and Peru, and Costa Eica. ^ 1. ElSBagia auriculata, Hemsley, Diag. Pi. Nov. pars altera, p. 32, Uarais crassis tetragonis, foliis puberulis amplis late ellipticis basi auriculatis, floribus pedicellatis racemoso-paniculatisj paniculis amplis laxisj ramis lateralibus patentibusj corolla alte 5 -partita squamuloso-barbata, segmentis recurvo-revolutis, filamentis infra medium squamuloso-barbatis^ stylo bifido ramulis crassiusculis. Arbor, ramis ultimis crassis, tetragonis, puberulis. Folia brevissime petiolata, puberula, subcoriacea, ovato-elliptica vel fere obovata, suprema 5-7-pollicaria, basi auriculata, venis lateralibus paral- BiOL. CENT.-AMEB., Bot. Vol. II., April 1881. e 26 EUBIACE^. lelis conspicuis; stipulse amplae, intrapetiolares. Flores albi (£wrfre.?), pedicellatij racemoso- paniculati ; paniculae amplae, laxse, ramulis lateralibus patentibus ; calycis limbus cupularis, vis. lobatus ; corolla alte 5 -partita, segmentis oblongis, recurvo-revolutis, intus squamuloso-barbatis ; stamina exserta, filamentis infra medium squamuloso-barbatis ; ovarium biloculare, multiovu- latum, stylo bifido ramis crassiusculis. Capsula non visa. Costa Kica, at 4500 feet {Endres, 95). Hb. Kew. 19. LINDENIA. lAndenia, Benth. PI. Hartw. pp. 84, 351; Benth. et Hook. Gen. Plant, ii. p. 51. Besides the following shrubby species, there is another, which inhabits New Caledonia and the Fiji Islands. 1. Lindenia acutiflora, Hook. ic. Pi. t. 475. South Mexico, near rivulets, Vera Cruz, at 800 to 2000 feet, and Oaxaca (Galeotti, 1572, 1573), Puente Nacional, Vera Cruz (Linden, 358). Hb. Kew. ^ 2. Lindenia rivalis, Benth. Pi. Hartw. pp. 84, 351 ; Hook. Ic. PI. t. 476 ; Bot. Mag. t. 5258. South Mexico, Parra del Correa (Liebmann, 5), banks of the Kio Teapa (Linden, 331); Guatemala, Vera Paz (.ffar^wey) ; San Salvador, Libertad (.5arc/^ay) ; Nicaragua, between Segovia and Tortuga (CErsted) ; Costa Eica, Guanacaste ((Ersted). Hb. Kew. 20. DEPPEA. Deppea, Cb. et Scbl. in Linufea, xix. p. 747; Benth. et Hook. Gen. Plant, ii. p. 52. (Choristes, Benth. PI. Hartw. p. 63. This genus consists of slender-branched shrubs, restricted to Mexico and Central America. 1. Deppea COrnifolia, Benth. Pi. Hartw. p. 849. Choristes cornifoUa, Benth. PI. Hartw. p. 64, in adnot. Rondeletia cornifoUa, Benth. PI. Hartw. p. 39. South Mexico, copse wood, Morelia (Hartweg), Sierra de San Pedro Nolasco (Jurgen sen, 828). Hb. Kew. >i 2. Deppea COSta-ricensis, Polak. in Linnaea, xli. p. 566. Costa Kica, Desengano, near Alajuela (Polakowsky). 3. Deppea erythrorhiza, Ch. et Schl. in Linnaea, v. p. 168. Deppea hedyotidea, DC. Prodr. iv.p. 618; Endl. Atakta, p. 25, t. 24. South Mexico, Barranca de Tioselo (Schiede & Leppe). Hb. Kew. EUBIACE^. 27 4. Deppea floribunda, Hemsley, Diag. Pi. Nov. pars altera, p. 31. (Tab. XXXVIII. figg. 7-10.) Glabrescens, novellis sparse puberulisj internodiis longiusculis, foliis pro genere magnis longe petio- latis membranaceis nitidis lanceolato-oblongis longe acuminatis basi valde attenuatis, floribus tetrameris pedicellatis cymosis^ cymis amplis multifloris terminalibus axillaribusque, calycis tubo 8-costatOj coi'ollae lobis ovate- oblongis obtusis quam tubus duplo longioribus, capsula clavato- pyriformi, seminibus minutis punctatis. Frutex glabrescens, ramis elongatis, internodiis longiuseulis. Folia adulta glabra, petiolata, mem- branacea, nitida, lanceolato-oblonga, 3-6-pollicaria vel interdum longiora, longe acuminata, obtusiuscula, basi valde attenuata, petiolo 6-9 lin. longo, gracili ; stipulse parvse cito deciduse. Fhres tetrameri, pedicellati, unilatere cymosi ; cymae ssepissime terminales, multifiorEe, ebrac- teatse ; calyx puberulus, 1 lin. longus, tubo 8-costato, dentibus subinsequalibus, triangularibus acutis vel obtusis, quam tubus brevioribus ; corolla 3^ lin. longa, segmentis ovato-oblongis, obtusis, quam tubus duplo longioribus ; stamina fauci tubi inserta. Capsula clavato-pyriformis, 2 lin. longa ; semina minuta, punctulata. South. Mexico, Orizaba {Botteri, 937, 894, in part), Cordillera of Vera Cruz, 4000 feet {Galeotti, 7008), Chiapas {GUeshregM, 515). Hb. Kew. EXPLANATION OF TAB. XXXVIII. Figg. 7-10. Fig. 7, flowering branch, natural size ; 8, a flower, enlarged ; 9, the same laid open ; 10, fruit, natural size. 5. Deppea grandiflora, Schl. in Linnsea, xix. p. 748. South Mexico, temperate region {Leibold). 6. Deppea Obtusiflora, Benth. Pi. Hartw. p. 349. Choristes obtusiflora, Benth. PI. Hartw. p. 63. South Mexico, Llano Verde (Hartweg), damp woods at 5000 to 6000 feet in the Cordillera of Oaxaca (Galeotti, 7005), Sierra de San Pedro Nolasco (Jurgensen, 360). Hb. Kew. 7. Deppea pubescens, Hemsley, Diag. PI. Nov. pars altera, p. 31. Pubescens, ramis teretibus, foliis ovato-lanceolatis, floribus tetrameris pedicellatis cymosis, cymis di-, trichotomis foliis sequilongis ramulis filiformibus, calyce ecostato, corolla rotata 2-3 lin. diametro, capsula pubescente oblonga, Frutex, ramis teretibus. Folia petiolata, chartacea, ovato-lanceolata, 2-3-pollicaria, acuminata, obtusiuscula, basi cuneata, adulta utrinque pubescentia, venis lateralibus curvatis subtus con- spicuis, petiolo gracili, 3-9 lin. longo ; stipulae parvae, triangulares, persistentes. Flores tetra- meri, pedicellati, cymosi ; cymse di-, trichotomse laxse, axillares terminalesque, foliis subeequi- longae, ramulis pediceUisque filiformibus ; calycis tabus ecostatus, dentes parvi, persistentes ; corolla rotata, 2-3 lin. diametro. Capsula oblonga, pubescens ; semina minuta, punctulata. South Mexico, Santa Gertrudis {Liebmann, 65). Hb. Kew. 8. Deppea tenuiflora, Benth. Pi. Hartw. p. 349. South Mexico, San Bartolo, Chiapas (Ghiesbreght). Hb. Kew. eZ 28 EUBIACE^. 9. Deppea Umbellata, Hemsley, Diag. PI. Nov. pars altera, p. 31. (Tab. XXXVIII. figg. 1-6.) Ramis teretibus gracillimis junioribus puberulisj foliis petiolatis membranaceis puberulis lanceolatis vel ovatis acuminatis, floribus tetrameris minimis pedicellatis umbellatim cymosis, cymis pedun- culatis axillaribus foliis multoties brevioribus ebracteatisj pedunculis pedicellisque fere filifor- mibus, corolla rotata, capsula turbinata S-costata^ seminibus m^inutis, testa laxa. Frutex, ramis teretibus, gracillimis, junioribus puberulis. Folia petiolata, membranacea, plus minusve puberula, et subtus in axillis venarum s£fepe barbata, lanceolata vel ovata, 2^-35-pol- licaria, longe acuminata, obtusiuscula, basi cuneata, petiolo gracili, 3-12 lin. longo ; stipulse parvse, deciduse. Flores tetrameri, pedicellati, umbeUatim cymosi ; cymse axillares, pedicellatse, 3-6 lin. longse, pedunculis pedicellisque filiformibus ; calycis tubo 8-costato, dentibus obtusis vel acutis ; corolla rotata, 3 lin. diametro, segmentis ovato-oblongis, obtusis ; filamenta brevia ; antherse magnse. Capsula turbinata, costata, circiter 1 lin. diametro, dentibus calycinis coronata ; semina minuta, testa laxa. South Mexico, Orizaba {Botteri, 894 in part ; Bourgeau, 2428) ; Mirador {Liei- mann, 64). Hb. Kew. EXPLANATION OF TAB. XXXVIII. Figg. 1-6. Fig. 1, flowering branch, natural size ; 3, a flower ; 3, ditto, fully expanded ; 4, ovary ; 5, anther, front view ; 6, anther seen from behind : all enlarged. 10. Deppea, sp. 1 South Mexico, Colipa {lAehmann, 139, 140). Hb. Kew. 11. Deppea, sp. % South Mexico, Sierra de San Pedro Nolasco (Jurgensen, 586). Hb. Kew. 21. LIMNOSIPANIA. Limnosipania, Hook. fil. in Hook. Ic. PI. 1. 1050; Benth. et Hook. Gen. Plant, ii. p. 53. Four herbaceous species, inhabiting Tropical America from Panama through Colombia to Guiana and Brazil. V 1. Limnosipania palustris. Hook, fil, in Hook. Ic. Pi. sub tab. 1050, Sipania palustris, Seem. Bot. Voy. ' Herald,' p. 136. Panama, in meadows (Seemann, 347). — Colombia. Hb, Kew. Tribe VI. HEDYOTIDE^. Hedyotideee, Benth. et Hook. Gen. Plant, ii. pp. 8, 13. Herbs or, more rarely, shrubs. Twenty-six genera, several of them very numerous in species. ETJBIACEJE. 29 22. OLDENLANDIA. Oldenlandia, Linn. Gen. Plant, n. 154; Benth. et Hook. Gen. Plant, ii. p. 58. [Gerontogea, Ch. et Schl. in Linnseaj v. p. 169.) About seventy species of slender herbs, generally dispersed in tropical and subtropical regions, but most numerous in Asia. 1. Oldenlandia deppeana, DC. Prodr. iv. p. 428. Gerontogea deppeana, Ch. et ScU. in Linnsea, v. p. 169 j Neue Abbild. t. 36. South Mexico, San Andres [Schiede & Deppe). 2. Oldenlandia halei, Chapm. Fl. S. States, p. 181. Hedyotis halei, Torr. & Gray^ Fl. N. Amer. ii. p. 42. Florida. — Nicaeagua {Levy, 208) ■? — Cuba. Hb. Kew. 3. Oldenlandia herbacea, DC. Prodr. iv. p. 425. Hedyotis herbacea, L. Fl. Zeyl. p. 65. South Mexico, Jecaltepec (i^'eSmaww, 145); GvAT^UALA{Friedrichsthar) ; Nicaragua, Javali (Tate, 191) ; Panama, Empire railway-station (*S'. Hayes), Chagres (Fendler). — A common weed in Teopical Counteies. Hb. Kew. 0. corymbosa, Linn., is perhaps the correct name of this species. 4. Oldenlandia latifoHa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 235. South Mexico, Jalapa, at 3000 feet [Galeotti, 2556). Hb. Kew. This appears to be the same as the next. 5. Oldenlandia microtheca, Ch. et Schl. in Linnaea, vi. p. 414. Gerontogea microtheca, Ch. et ScKl. in Linnaea, v. p. 169. South Mexico, Papantla (Schiede), valley of Cordova (Bourgeau, 1572), region of Orizaba (Bourgeau, 2936 ; Botteri, 602), Yecoatla (Liehmann, 142), Mirador (Linden, 1258). Hb. Kew. 6. Oldenlandia umbeUata, Linn, ex DC. Prodr. iv. p. 426. This doubtful species is recorded by DeCandoUe from Mexico, Tropical Aeeica, and Asia. 23. HOUSTONIA. Houstonia, Linn. Gen. Plant, n. 124 ; Benth. et Hook. Gen. Plant, ii. p. 60. About twenty species of dwarf herbs, restricted to North America and Mexico. 1. Houstonia angUStifolia, Michx. Fl. Bor.-Amer. i. p. 85. Hedyotis stenophyUa,ToTr. & Gray, Fl. N. Amer. ii. p. 41. Oldenlandia angustifolia, A. Gray, PI. Wright, ii. p. 68. Missouri southward to Floeida and Texas. — North Mexico, Sonora (Wright). Hb. Kew. 30 EHBIACBiE. ]/ 2. Houstonia bouvardioides, Benth. et Hook. Gen. Plant, ii. p. 60. Hedyotis bouvardioides, Seem. Bot. Voy. ' Herald/ p. 296, t. 64. North Mexico, Sierra Madre {Seemann) ; Guatemala, Volcan de Fuego, 6500 feet (Salvm)^ Hb. Kew. 3. Houstonia cgerulea, Linn. Sp. PL p. 152 ; Bot. Mag. t. 370. Hedyotis ccerulea, Hook. Fl. Bor.-Am. i. p. 286. Canada southward through the Eastern States. — Mexico, Orizaba [Botteri). Hb. Kew. 4. Houstonia humiftisa, Hemsley. Hedyotis humifusa, A. Gray, PL Lindh. ii. p. 216. Texas. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet [Parry & Palmer, 301). Hb. Kew. 5. Houstonia longiflora, A. Gray in Proc. Amer. Acad. iv. p. 314. Bouvardia longiflora, H. B. K. Nov. Gen. et Sp. iii. p. 386 ; Bot. Mag. t. 4223. ^ginetia longiflora, Cav. Ic. vi. t. 572. fig. 1. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 573) ; South Mexico, Tehuacan and Morelia, at 7000 feet (Galeotti, 2637, 2652), San Felipe (Idebmann), near Oaxaca (Andrieux, 336), plain of Actopan [Hartweg), Santa Anita, &c., at 7000 feet {Humboldt & Bonpland), Chiapas {Ghieshreght), without localities {Schaffner, Bates, Keerl, and others) ; Guatemala {Skinner) ; Costa Rica {Endres). Hb. Kew. 6. Houstonia purpurea, Linn. Sp. PL i. p. 105 ; Lodd. Bot. Cab. t. 1621 ; Torr. & Gray, Fl. N. Amer. ii. p. 40. Pennsylvania to Illinois and southward. — Mexico, without locality {Gregg, 66). Hb. Kew. 7. Houstonia rubra, Cav. Ic. v. p. 48, t. 474. fig. l. New Mexico ; Texas. — North Mexico, in the region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 300) ; South Mexico, Aguas Calientes {Eartweg), without localities {Coulter, 196 ; Halsted). Hb. Kew. 8. Houstonia triflora, A, Gray in Proc. Amer. Acad. iv. p. 314. Bouvardia triflora, H. B. K. Nov. Gen. et Sp. iii. p. 386, t. 288. Anotis longiflora, Benth. PI. Hartw. p. 23. South Mexico, near Puente de la Madre de Dios and the village of Atotonilco el Grande, at 5400 feet {Eumholdt & Bonpland), Aguas Calientes {Hartweg), Zimapan {Cmlter, 219). Hb. Kew. EUBIACEiE. 31 9. Houstonia, sp. South Mexico, Vera Cruz to Orizaba {Muller, 1342). Hb. Kew. 10. Houstonia, sp. South Mexico, Jalapa {Coulter, 194). Hb. Kew. 24. MALLOSTOMA. Mallostoma, Karst. Fl. Colomb. ii. p. 9, t. 105 ; Benth. et Hook. Gen. Plant, ii. p. 60. About twenty species of shrubs and undershrubs, inhabiting the mountains of America from Texas to Peru. 1. Mallostoma acerosa, Hemsley. Hedyotis {Ereicotis) acerosa, A. Gray, PI. Wright, i. p. 81. Texas. — North Mexico, Buena Vista (Gregg, 72), region of San Luis Potosi, 6000 to 8000 feet (Parri/ & Palmer, 302). Hb. Kew. 2. Mallostoma, sp. South Mexico, Ciudad Eeal {Linden, 539). Hb. Kew. Tribe VII. MUSS^NDEiE. MusscendecB, Benth. et Hook. Gen. Plant, ii. pp. 8, 15. There are thirty-six genera of this tribe, generally dispersed in tropical countries. The species are shrubby or arboreous, rarely herbaceous. 25. ISERTIA. Isertia, Sehreb. Gen. Plant, p. 234 ; Benth. et Hook. Gen. Plant, ii. p. 65. Fifteen or more shrubby and arboreous species, inhabiting Tropical America from Mexico C?) and Central America, through Colombia and Guiana, to Brazil. 1. Isertia hsenkeana, DO. Prodr. iv. p. 437. Mexico {HoenJce). 2. Isertia spicaeformis, DC. Prodr. iv. p. 437. Panama, outskirts of woods near the city of Panama {Seemann, 352 ; S. Hayes, 557). — Colombia. Hb. Kew. 26. GONZAtEA. Gomalea, Pers. Syn. i. p. 132 ; Benth. et Hook. Gen. Plant, ii. p. 65. Gonzalagunia, Euiz et Pav. Prodr. p. 12, t. 3 ; Fl. Peruv. i. p. 56/ 1. 86. About a dozen shrubby species, restricted to Tropical America. 32 etjbiacej:. 1. Gonzolea nivea, Bartl. ex DC. Prodr. iv. p. 436. Mexico. ^ 2. Gonzalea panamensis, Pers. Ench. i. p. 132. South Mexico, Mirador {Liebmann, 66), Vera Cruz, 2500 feet {Galeotti, 1756 ; Linden, 409); Costa Eioa, Aguacate {(Ersted); Panama, near the city of Panama (Seemann, 351), Chagres {Fendler, 288), Mamei railway-station (*S'. Hayes, 664).— Colombia to Guiaka and Peeij. Hb. Kew. 3. Gonzalea parviflora, Ch. et Schl. in Linnsea, vi. p. 414. South Mexico, Cuesta Grande de Jalacingo (ScMede & Beppe), Sierra de San Pedro Nolasco {Jurgensen, 776, 935) 1 Hb. Kew. 4. Gonzalea? Secunda, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 235. South Mexico, moist woods of Jalapa, at 4000 feet {Galeotti, 7077). 5. Gonzalea spicata, DC. Prodr. iv. p. 437. Lygistum spicatum, Lam. 111. n. 1477. Coccocypselum spicatum, H. B. K. Nov. Gen. et Sp. iii. p. 406. South Mexico, Zacuapan (G'a^eo^^i); Costa Eica, Aguacate (ffirsfetZ). — North part of South Ameeica, and generally dispersed in the West Indies. Hb. Kew. 6. Gonzalea, sp. South Mexico, Orizaba (MilUer, 638 ; Botteri, 1015). Hb. Kew. 7. Gonzalea, sp. South Mexico, humid forests of Zulusuchiapas {Linden, 149). Hb. Kew. 27. XEEOCOCCUS. Xerococcus, CErst. in Vidensk. Meddel. 1852, p. 52; Benth. et Hook. Gen. Plant, ii. p. 70. Limited to the following species, which is an undershrub. ^1. Xerococcus COngestus, CErst. in Vidensk. Meddel. 1852, p. 52. Costa Eica, Turrialva, at 3000 feet {(Ersted). Hb. Kew. 28. OPHEYOCOCCUS. Ophryococcus, (Erst, in Vidensk. Meddel. 1852, p. 52 ; Benth. et Hook. Gen. Plant, ii. p. 70. One Central-American and (1) one Mexican species ; both shrubs. "^1. Ophryococcus gesnerioides, CErst. in Vidensk. Meddel. 1852, p. 53. NicAEAGUA, near Segovia {(Ersted). Hb. Kew. 2. Ophryococcus, sp. ^ South Mexico, Chiapas {Linden, 1638). Hb. Kew. ETJBIACEiE. 33 29. SABICEA. Sabicea, Aubl. PI. Gui. i. p. 192, tt. 75, 76; Benth. et Hook. Gen. Plant, ii. p. 72. Twining or trailing shrubs, inhabiting Tropical America, Tropical Africa, and Madagascar. About twenty species are known. '^1. Sabicea glabrescens, Benth. in Hook. Kew Joum. Bot. iii. p. 219. Sabicea edulis, Seem, in Hook. Kew Journ. Bot. iii. p. 366 ? South Mexico, Lacoba {lAehmann, 43) ; Pajjama [Seemann), Chagres (Fendler, 180)'? Hb. Kew. 2. Sabicea hirsuta, H. B. K. Nov. Gen. et Sp. iii. 417 ; DC. Prodr. iv. p. 439. Mexico {HmnJce). — Peru. 3. Sabicea hirta, Sw. Prodr. i. p. 46 ; DC. Prodr. iv. p. 439 ; Caiques des Dess. Fl. Mex. 456. South Mexico {Mogino & Sesse) ; Nicaeagua, Chontales (Tate, 212 ; Seemann, 128). — Jamaica ; Tkinidad. Hb. Kew. There may be more than one species included under this name. 4. Sabicea, sp. Panama, Chagres (Fendler, 181). Hb. Kew. 30. COCCOCYPSELUM. Coccocypselum, P. Br. Hist. Jam. p. 144, t. 6. fig. 2; Benth. et Hook. Gen. Plant, ii. p. 73. About sixteen species of trailing herbs, restricted to Tropical America. ^1. Coccocypselum canescens, Willd. ex Ch. et Schl. in Linnsea, iv. p. 139 ; DC. Prodr. iv. p. 397. South Mexico, Sierra de San Pedro Nolasco (Jurgensen, 748) ; Costa Eica, Cartago, at 6000 feet (CErsted) ; Panama (Seemann, 17). — Colombia ; Peru ; Guiana. Hb. Kew. 2. Coccocypselum ciliatum, Ch. et Schl. in Linnsea, vi. p. 414. South Mexico, between Huitamalco and Cuapa (Schiede & Dejp'pe). ^B. Coccocypselum glabrum, Bartl. in DC. Prodr. iv. p. 397. Panama (Hmnke). f 4. Coccocypselum hirsutum, Bartl. in DC. Prodr. iv, p. 396= South Mexico, Mirador (lAehmann, 49), valley of Cordova (Bourgeau, 1844) ; Nica- ragua, Segovia ((Ersted). — Trinidad ; Cuba. Hb. Kew. 5. Coccocypselum nummularifoHum, Ch. et Schl. in Linnaea, iv. p. 145. South Mexico, Cordillera of Oaxaca, at 3000 to 4000 feet (Galeotti, 2614), without localities (Mrenherg, iTaM).— Brazil. Hb. Kew. BiOL. cent.-amee., Bot. Vol. II.j April 1881. / 34 EUBIACE^. ^ 6. CoCCOCypselum repens, Sw. Fl. Ind. Occ. i. p. 245 ; DC. Prodr. iv. p. 396. NiCABAGUA, Chontales {Tate); Costa Eica (JPolakowsky). — Eastern and northern South America and West Indies. 7. Coccocypselum, sp. South Mexico, Jalapa {Linden, 509). Hb. Kew. Tribe VIII. HAMELTEyE. Hamelieee, Benth. et Hook. Gen. Plant, ii. pp. 8, 17. There are only six genera of this tribe, the species of which are mostly Tropical- American ; a few occur in Tropical Africa and the Sandwich Islands. 31. HAMELIA. Hamelia, Jacq. Stirp. Amer. p. 71, t. 50; Benth. et Hook. Gen. Plant, ii. p. 75. Duhamelia, Pers. Syn. i. p. 203. Eight or ten shrubby species, inhabiting Tropical America. 1. HameUa chrysantha, Sw. Prodr. p. 46 ; DC. Prodr. iv. p. 442. Mexico (Hcenke).— Jamaica; Venezuela. 2. Hamelia lanuginosa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 233, South Mexico, Jalapa, Mirador, and several other places on the Atlantic side, at 2000 to 4000 feet {Galeotti, 2615). Hb. Kew. 3. Hamelia nodosa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 234. South Mexico, near Mirador, at 3000 feet {Galeotti, 2581). Hb, Kew, 4. HameMa patens, Jacq. Stirp. Amer. p. 72, t. 50 ; DC. Prodr. iv. p. 441. Duhamelia patens, Pers. Ench. i. p. 203. Florida. — South Mexico, between Tehuantepec and Guichilona, Oaxaca {Andrieux, 330), Jecaltepec and Mirador {Lielmann, 55, 56), Vera Cruz {Gouin) ; Nicaragua, Chontales {Seemann, 136 ; Tate, 198), Granada {(Ersted); Panama {Hinds). — Southward to Peru and Brazil and in the West Indies. Hb. Kew. Var. ■? qninifolia, DC. Prodr. iv. p. 442 ; Caiques des Dess. Fl. Mex. 489. South Mexico, mountains of Mahatlan {Mogino & SessS). 5. Hamelia rOStrata, Bartl. in DC. Prodr. iv. p. 442. Mexico, Acapulco {Hcenke). 6. Hamelia ventricOSa, Sw. Prodr. p. 46 ; DC. Prodr. iv. p. 442 ; Bot. Reg. t. 1195. Hamelia grandiflora, L^Herit. Sert. Angl. p. 4, t. 7; Salisb. Parad. Lond. t. 55. South Mexico, Eeal del Monte {Hcenke), Vera Craz {Galeotti, 2612)'? Hb. Kew, RUBIACEiE. 35 7. Hamelia xorullensis, H. B. K. Nov. Gen. et Sp. iii. p. 414. South Mexico, Jorullo {Humboldt & Bonpland). Vs. Hamelia, sp. Costa Eica {JEndres, 130). Hb. Kew. V 9. Hamelia, sp. NicAEAGUA, Chontales {Seemann, 120). Hb. Kew. / 10. Hamelia, sp. NicAEAGUA, Chontales {Tate, 332). Hb. Kew. »/ 11. Hamelia, sp. NiCAEAGUA {Tate, 222). Hb. Kew. 1/12. Hamelia, sp. NiCAEAGUA, Chontales {Tate, 193). Hb. Kew. 32. HOFFMANNIA. Hoffmannia, Sw. Prodr. p. 30 ; Benth. et Hook, Gen. Plant, ii. p. IQ. Ohigginsia, Ruiz et Pav. Fl. Peruv. i. p. 55, t. 85. Higginsia, Pars. Syn. i. p. 133. Campy lobotrys, Lem. Flore des Series, iii. Misc. n. 37. Herbs or shrubs. Upwards of twenty species, confined to Tropical America. 1. Hoffmannia affinis, Hemsley, Diag. Pi, Nov, pars altera, p. 31. Fruticosa novellis puberulis, ramis teretibus, foliis subcoriaceis ovato-oblongis acuminatis obtusius- culis, floribus puberulis tetrameris umbellatim cymosis, cymis ad nodos fasciculatis, calycis limbo distincte 4-dentato, dentibus rotundatis, coroUse tubo latiusculo lobis breviore, ovario biloculari. Frutex, ramis teretibus, junioribus puberulis. Folia opposita, petiolata, subcoriacea, ovato- oblonga, 4-5-ponicaria, acuminata, obtusa, basi attenuata, subtus minute puberula, costa venisque prominulis, petiole circiter 3 lin. longo. Flores puberuli, tetrameri, graciliter pedi- cellati, 3-4 lin. longi, umbellatim cymosi; cymse pedunculatse, ad nodos fasciculatse, circiter 6-florse ; pedunculi graciles, 4—8 lin. longi ; pedicelli 1-2 lin. longi ; calycis limbus distincte 4-dentatus, dentibus rotundatis persistentibus ; corollae tubus latiusculus, lobis paulo brevior ; ovarium biloculare, loculis multiovulatis. Capsula ignota. Costa Eica {Endres, 150), Hb. Kew. This species is closely allied to H. lenticellata, differing in the consistence of the leaves, the prominently tpothed calyx, &c. 2, Hoffmannia canliflora, Hemsley, Diag. Pi. Nov. pars altera, p. 30, (Tab, XXXIX.) Ramis crassiusculis, foliis amplis in apicibus ramorum confertis junioribus prsecipue subtus puberulis ovato-ellipticis basi in petiolum brevissimum attenuatis, floribus tetrameris glabris pedicellatis in trunco ramisque infra folia oymoso-fasciculatis, cymis plurifloris ramulis pedicellisque gracilibus ebracteatis, corolla tubuloso-infundibuliformi poUicari lobis tubo multoties brevio- ribus, ovario 3-4-loculare. /2 36 ETJBIACEJE. Frutex vel suffrutex, ramis crassiusculis, glabris. Folia in apicibus ramorum conferta, subcarnosa, subsessiliaj late ovato-elliptica, 6-9-pollicaria vel ultra, acuminata, obtusa, basi valde attenuata, juniora plus minusve ferrugineo-puberula, venis lateralibus curvatis prominentibus. Flores tetrameri, glabri, pedicellati, in trunco ramisque infra folia cymoso-fasciculati ; cymse breves, pluriflorae, ramulis pedicellisque gracilibus, ebracteatse ; calyx vix 2 lin. longus, brevissime 4-dentatusj corolla tubuloso-infundibnliformis, poUicaris, tubo sursum sensim ampHato, lobis ovatis, acutis, vix patentibus, circiter 2 lin. longis; stamiaa inclusa; stylus breviter exsertus; ovarium 3-4-loculare, loculis multiovulis. Fructus maturus ignotus. Guatemala {SMnner). Hb. Kew. EXPLANATION OF TAB. XXXIX. Flowering and fruiting branches. Natural size. Fig. 1, a flower ; 2, the same, with corolla laid open ; 3, vertical section of an ovary ; 4, an anther. All enlarged. 3. Hofimannia discolor, Hemsley. Campylobotrys discolor, Lem. Flore des Serres, iii. Misc. n. 37. p. 260, v. t. 427; Bot. Mag. t. 4530. Higginsia discolor, Planch, in Flore des Serres, v. Misc. 226, p. 482 d. Mexico, introduced into European gardens (Galeotti). 4. Hofimannia ghiesbreghtii, Hemsley. Campylobotrys ghiesbreghtii, Lem. 111. Hort. t. 279. Higginsia ghiesbreghtii (gheisbechtii) , Hook. Bot. Mag. t. 5383. South Mexico (Ghiesbreghf). Hb. Kew. 5. Hofimannia lenticellata, Hemsley, Diag. Pi. Nov. pars altera, p. 30. Fruticosa, ramis teretibus minute et densissime lenticellatis, foliis ovato-oblongis vel obovatis acuminatis, floribus parvis glabris tetrameris longiuscule pedicellatis fasciculato-cymosis, cymis densis brevibus ebracteatis, ramulis gracilibus, calycis limbo brevissime 4-dentato vel fere truncate, coroUse lobis ovato-oblongis obtusis quam tubus subduplo longioribus, fructu baccato bUoculari. Frutex, ramis teretibus, crassiusculis, petiolo costaque minute et densissime lenticellatis. Folia petiolata, crassiuscula, fortasse subcarnosa, ovato-oblonga vel obovata, 6-9-pollicaria, acumi- nata, obtusa, basi valde attenuata, subtus farinacea, costa venisque lateralibus crassiusculis, subtus elevatis, petiolo 21-5 lin. longo ; stipulse parvse, cito deciduae. Flores glabri, tetrameri, circiter 3 lin. longi, longiuscule pedicellati, fasciculato-cymosi ; cymse densse, pluriflorse, sub- umbelliformes, ebracteatse, vix pollicares, ramulis gracilibus; calycis limbus brevissime 4- dentatus vel fere truncatus, persistens ; coroUse lobi ovato-oblongi, obtusi, tubus fere dimidio brevier ; stamina ori corollae inserta, filamentis brevissimis, antheris magnis ; ovarium bilo- culare, stylo exserto. Fructus baccatus, bilocularis, bisulcatus, eirciter 1 lin. diametro ; semina numerosa, minuta, angulata, punctulata. South Mexico, Orizaba (Botteri, 974; Bourgeau, 2992), Jalapa {Linden, 1). Hb. Kew. 6. Hofimannia longepetiolata, Polak. in Linnsea, xli. p. 567. NiCAEAGUA, Chontales (Seemann, 112)1; Costa Eica, Carpintera {Polakowshy). Hb. Kew. EUBIACE^. 37 V 7. Hoffmannia macrophylla, Planch, in Flore des Serres, v. Misc. n. 226, p. 482(Z. Guatemala. 8. Hoffmannia mexicana, Hemsley. Higginsia mexicana, Kl. in Link, Kl. et Otto, Ic. PI. Rar. Hort. Ber. i. p. 57, t. 33. South Mexico, Mirador {Liehmann, 134, 135), Jalapa (Galeotti, 7072 ; Linden, 4), region of Orizaba [Bourgeau, 2429 ; Botteri, 1029). Hb. Kew. t^ 9. Hoffmannia psychotrigefolia, Hemsley. Higginsia psychotricBfolia, Benth. in Vedensk. Meddel. 1852, p. 28. South Mexico {Liehmann, 126; Jurgensen, 986); Costa Eica, Volcan de Barba ((Ersted). Hb. Kew. 10. Hofl&nannia refulgens, Hemsley. Higginsia refulgens, Hook. Bot. Mag. t. 5346. South Mexico (Liehmann, 90). Hb. Kew. 11. Hoffmannia regalis, Hemsley. Higginsia regalis, Hook. Bot. Mag. t. 5280. Mexico 1 12. Hoffmannia Strigillosa, Hemsley, Diag. PL Nov. pars altera, p. 31. Fruticosa, ramis elongatis compressis glabris, foliis oppositis longe petiolatis membranaceis ovato- oblongis subtus;. pf secipue in venis strigillosis, floribus tetrameris glabris pedicellatis, calycis lobis oblongi^ qb'tusis interdum inaequalibus, corollse lobis linearibus quam tubus paulo longi- oribus, ovario biloculare. Frutex, ramis elongatis, crassiusculis, compressis, glabris. Folia petiolata, membranacea, ovato- oblonga, 6-8-pollicaria, utrinque longe attenuata, subtus prsecipue in venis prominentibus strigillosa, petiolo brevi primum strigilloso; stipulse caducse. Flores glabri, tetrameri, vix 3 lin. longi, pedicellati, cymosij cymas breves, axillares, pauciiiorae, ebracteatse; calycis lobi oblongi, obtusi, interdum insequales, circiter semilineam longi, tubo sequilongi; coroUse lobi lineares, tubo paulo longiores ; stamina ori corollse inserta, filamentis brevissimis, antheris lobos corollinos sequantibus ; ovarium biloculare, multiovulatum. Fructus non visus. Mexico {Salle). Hb. Kew. 13. Hoffmannia, sp. South Mexico (Jtcrgensen, 736 ; Liehmann, 88). Hb. Kew. 33. BEETIEEA. Beriiera, Aubl. PI. Gui. i. p. 180, t. 69; Benth. et Hook. Gen. Plant, ii. p. 77. Pomatium, Gsertn. Pruct. iii. p. 252, t. 225. A genus of about sixteen species of shrubs and small trees, natives of Tropical Africa and America. 1. Bertiera angUStifolia, Benth. Bot. Voy. ' Sulphur,' p. 103. Cocos Island {Barclay). Hb. Kew. 38 ETJBIACE^. ^2. Bertiera, sp. 1 Nicaragua, Chontales {Tate). Hb. Kew. Tribe IX. CATESB^E^. Catesbaem, Benth. et Hook. Gen. Plant, ii. pp. 8^ 17. Limited to Tropical America, and consisting of five genera and about twenty species, 34. CATESB^A. Catesbcea, Linn. Gen. Plant, n. 130; Benth. et Hook. Gen. Plant, ii. p. 78. There are six West-Indian species besides the following doubtful one. 1. Catesbsea erecta, DC. Prodr. iv. p. 401 ; Caiques des Dess. Fl. Mex. 460. Mexico {Mogino & Sesse). 35. PENTAGONIA. Pentagonia, Benth. Bot. Voy. 'Sulphur/ p. 105^ t. 39; Benth. et Hook. Gen. Plant, ii. p. 78. Eight shrubby species, inhabiting Tropical America. ^1. Pentagonia macrophylla, Benth. Bot. Voy. ' Sulphur,' p. 105, t. 39. Panama, Chagres {Fendler, 208), Cruces &c. (Seemann), no locality {Hinds). — Colombia. Hb. Kew. 2. Pentagonia tinajita, Seem. Bot. Voy. ' Herald,' p. 134, t. 28. Pai^ama, near the town of David, Veraguas {Seemann, 1695). Hb. Kew. 3. Pentagonia wendlandii, Hook. Bot. Mag. t. 5230. Central Mexico, without locality {Wendland). Hb. Kew. 36. SOMMERA. Sommera, Schl. in Linnsea^ ix. p. 602 ; Benth. et Hook. Gen. Plant, ii. p. 79. Four or five shrubby or small arboreous species, extending from Mexico to the Amazons. 1. Sommera arborescens, Schl. in Linnsea, ix. p. 602. Peiesia grandis, Bartl. in DC. Prodr. iv. p. 395 ? Petesia minor, Griseb. in Bonplandia, 1858^ p. 8 ? South Mexico, Mirador {Linden, 1256 ; Liehmann, 84), Orizaba {Botteri, 997), near Jalapa, 1500 to 3000 feet {Galeotti, 7112), Jova {Liehmann, 85); Panama, Boquete {Seemann, 1179). Hb. Kew. Tribe X. GAEDENIEiE. Gardeniea, Benth. et Hook. Gen. Plant, ii. pp. 9, 17. Forty-five genera widely dispersed in tropical regions, a few extending into sub- tropical countries. EUBIACEiE. 39 37. ALIBERTIA. Alibertia, A. Rich, in Mem. Soc. Hist. Nat. Par. v. p. 334, t. 31 ; Benth. et Hook. Gen. Plant, ii. p. 81. About twenty shrubby and arboreous species in Tropical America. yi. Alibertia edulis, Eich. in Mem. Soc. Hist. Nat. Par. v. p. 234, t. 21. fig. 1. South Mexico, Colipa {Liehmann, 3), Potrero {Bourgeau, 1716), Lacoba (Liebmann, 117), Tabasco (Linden, 530); Guatemala (Friedrichsthal) ; Nicaeagua (Tate, 55S); Costa Eica, Aguacate {CErsted) ; Panama (Seemann, 342). — Guiana. Hb. Kew. Linden's 530 and Tate's 353 may belong to difi'erent species. 38. AMAIOUA. Amaioua, Aubl. PI. Gui. Suppl. p. 13, t. 375 ;. Benth. et Hook. Gen. Plant, ii; p. 81. About eight arboreous and shrubby species in Tropical America. ^1. Amaioua guianensis, Aubl. Pi. Gui. Suppl. p. 13, t. 375. Panama, Isle of Taboga [Seemann, 1596). — Guiana. Hb. Kew. 39. BASANACANTHA. Basanacantha, Hook. fil. in Bentli. et Hook. Gen. Plant, ii. p. 83. A genus of about twenty shrubby species restricted to Tropical America. l/l. Basanacantha monantha, Hook. fil. in Benth. et Hook. Gen. Plant, ii. p. 83, Randia monantha, Bentli. PL Hartw. p. 84. Guatemala, Eio de los Esclavos [Hartweg) ; Costa Eica {(Ersted) ; Panama, Veraguas (Seemann). Hb. Kew. 40. POSOQUEEIA. Posoqueria, Aubl. PI. Gui. i. p. 133, t. 51 ; Bentli. et Hook. Gen. Plant, ii. p. 83. An exckisively Tropical- American genus of about twelve species of shrubs and trees, 1. Posoqueria COriacea, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 240. South Mexico, Chinantla, Eastern Cordillera of Oaxaca, 2000 to 3000 feet {Galeotti, 1580). Hb. Kew. ^2. Posoqueria latifolia, Ecem. et Schult. Syst. V. p. 227 ; DC. Prodr. iv. p. 375. Solena latifolia, Rudge, PI. Gui. i. p. 36, t. 40. Tocoyena latifolia, Lam. 111. t. 163. fig. 2. Stannia panamensis, Walp. et Duchas. in Linnsea, xxiii. p. 755. Posoqueria panamensis, Walp. Ann. ii. p. 797. Panama, Chagres [Fendler, 293), Empire railway-station {S. Hayes), without locality {Seemann). — Colombia ; Guiana. Hb. Kew. i^3. Posoqueria macrophylla, Hemsley. Tocoyena macrophylla, H. B. K. Nov. Gen. et Sp. iii, p. 413. CbsTA Eica {Warsceivicz). — Colombia. Hb. Kew. 40 EUBIACE^. 41. RANDIA. Randia, Linn. Gen. Plant, n. 211 ; Benth. et Hoot. Gen. Plant, ii. p. 88. There are nearly or quite a hundred species belonging to this genus. They are trees or shrubs, and generally dispersed in the tropics, though most numerous in the Old World. 1. Randia echinocarpa, DC. Prodr. iv. p. 385 ; Caiques des Dess. Fl. Mex. 469. Mexico {Mopino & SessS). ^2. Randia karstenii, Polak. in Linnsea, xli. p. 568. Costa Eica, San Jose {PolaJcowsky). 3. Randia latifolia, Lam. Diet. iii. p. 24 ; 111. t. 156. fig. 1 ; DC. Prodr. iv. p. 385. South Mexico, Papantla {lAehmann, 291 and 304'?). — West Indies. Hb. Kew. lA:. Randia musssendae, DC. Prodr. iv. p. 388. Mussmnda formosa, Jacq. Amer. p. 70, t. 48. Mexico (ex DC); Panama, Mamei railway-station {8. Hayes, 411). — Colombia; Venezuela ; Peru. Hb. Kew. The Panama specimen is doubtful. ^ 5. Randia Obovata, H. B. K. Nov. Gen. et Sp. iii. p. 409. Panama, Chagres (Fendler, 139), Aspinwall (S. Hayes, 567). Hb. Kew. '' 6. Randia OVata, Duchass. in Bonplandia, 1858, p. 8. Panama (Duchassaing). 7. Randia xalapensis, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 239. South Mexico, near Jalapa and Puente Nacional, at 1000 to 4000 feet {Galeotti, 7116), Orizaba (Botteri, 905), valley of Cordova {Bourgeau, 1576). Hb. Kew. 8. Randia, sp. South Mexico, Jalapa {Linden, 518). Hb. Kew. 9. Randia, sp. South Mexico, forests of Puente Nacional, near Vera Cruz, at 500 to 1000 feet (GaleoUi, 7115). Hb. Kew. {Coffea rosea, DC. Prodr. iv. p. 499; Caiques des Dess. Fl. Mex. 479, is a doubtful Mexican plant.) 42. GENIPA. Genipa, Linn. Gen. Plant, n. 340; Benth. et Hook. Gen. Plant, ii. p. 90. An exclusively Tropical-American genus, comprising about six small arboreous species. EUBIACEiE. 41 1/ _ 1. Genipa carutO, H. B. K, Nov. Gen. et Sp. iii. p. 407. South Mexico, Guatulco {lAehmann), Tabasco {Linden, 1619) ; Nicaragua, Granada {(Ersted); Panama, Veraguas (Seemann). — North part of South America and the West Indies. Hb. Kew. Tribe XI. CEUCKSHANKSIEiE. Cruckshanksiece, Benth. et Hook. Gen. Plant, ii. pp. 9, 20. This small tribe is limited to Chili. It consists of two genera and five species of herbs and undershrubs. Tribe XII. RETINIPHYLLE^. Retiniphyllecs, Benth. et Hook. Gen. Plant, ii. pp. 9^ 20. Only three genera and eight species of shrubs and trees. Two of the genera are limited to eastern Tropical South America ; and the other, a monotype, extends from Ceylon through the archipelago to Australia. Tribe XIII. GUETTARDE^E. Guettardece, Benth. et Hook. Gen. Plant, ii. pp. 9, 20. This tribe is generally dispersed in the tropics, and comprises eleven genera, whereof two or three are numerous in species. 43. GUETTAEDA. Guettarda, Linn. Gen. Plant, n. 1064; Benth. et Hook. Gen. Plant, ii. p. 99. A genus of nearly fifty species of shrubs and trees, the greater part Tropical American. One occurs on nearly all tropical sea-shores. 1. Guettarda COnferta, Benth. Bot. Voy. ' Sulphur,' p. 106. Cocos Island {Barclay). Hb. Kew. 2. Guettarda dealbata, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 232. South Mexico, dense, humid forests of Llano Verde and Tanetze, at 4000 to 6000 feet, in the Eastern Cordillera of Oaxaca {Galeotti, 7131). 8. Guettarda dichotoma, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 233. South Mexico, savannas near Zacuapan and Mirador, 1500 to 2000 feet {Galeotti, 2601). ^L Guettarda odorata, Lam. ill. t. 154. fig. 4 ; DC. Prodr. iv. p. 456. South Mexico, Pochutla {Liebmann, 71); Panama, common {S. Hayes, 94, 6371 — Cuba; Jamaica; Trinidad. Hb. Kew. 5. Guettarda parviflora, Vahl, Eel. Am. ii. p. 26 ; DC. Prodr. iv. p. 456. South Mexico, Acapulco {HaenJce). — West Indies. BIOL. CENT.-AMER., Bot. Vol. IL, ApHl 1881. g 42 EUBIACKS. 6. Guettarda ramuliflora, Beurling in Kong. Vet. Handl. 1854, p. 132. Panama {Billberg). 7. Guettarda SCabra, Lam. ill. t. 154. fig. 3; DC. Prodr. iv. p. 456. South Mexico, Yucatan {Linden, 89). — West Indies. Hb. Kew. "^ 8. Guettarda viscosa, Duchass. et Walp. in Linnsea, xxiii. p. 754. Panama (JDuchassaing). Y 9. Guettarda, sp. Guatemala (Friedrichsthal) ; Panama, Barbacoas (S. Hayes, 167). Hb. Kew. \/lO. Guettarda, sp.] Panama, Aspinwall {S. Hayes, 569). Hb. Kew. 11. Guettarda, sp.'? South Mexico {Liebmann, 63). Hb. Kew. 44. ANTIERHCEA. Antirrhoea, Comm. in Jus. Gen. Plant, p. 204, et in Mem. Mus. vi. p. 377 j Benth. et Hook. Gen. Plant, ii. p. 100. About twenty species of trees and shrubs, chiefly American, the rest being from Mauritius, China, and Tropical Australia. 1. Antirrhoea? dichotoma, Hemsley. Sienostomum? dichotomum, DC. Prodr. iv. p. 112; Caiques des Dess. Fl. Max. 482. Mexico {Mogino & Sesse). 2. Antirrhoea protracta, Hemsley. Guettarda ? prostrata, Bartl. in DC. Prodr. iv. p. 457. Pittoniotis protracta, Griseb. in Bonplandia, 1858, p. 8. South Mexico, Acapulco {Hcenke), Trapiche (Liebmann, 114), in the woods of Tona- .guia and near the Villa Alta, in the Eastern Cordillera of Oaxaca, at 3000 to 4000 feet {Galeotti, 7175). Hb. Kew. 3. Antirrhoea trichantha, Hemsley. Pittoniotis trichantha, Griseb. in Bonplandia, 1858, p. 8. Panama [Duchassaing). 45. MACHAONIA. Machaonia, Humb. et Bonpl, PI. ^quin. i. p. 101, t. 29 ; Benth. et Hook. Gen. Plant, ii. p. 1 02. Shrubs and trees. About ten species, inhabiting Tropical America. 1. Machaonia galeottiana, Baill. in Bull. Soc. Linn, de Paris, 1879, p. 204. South Mexico, Cordillera of Vera Cruz [Galeotti). 2. Machaonia hahniana, Baill. in Bull. Soc. Linn, de Paris, 1879, p. 204. South Mexico, Acatlan (Hahn). EUBIACE^, 43 3. Machaonia lindeniana, Baill. in Bull. Soc. Linn, de Paris, 1879, p. 204. South Mexico, Yucatan {Linden). Hb. Kew. 4. Machaonia velutina, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 134. Machaonia veracruzeana, Baill. in Bull. Soc. Linn, de Paris, 1879, p. 204. South Mexico, Cordillera of Vera Cruz (Galeotti, 7104). Hb. Kew. 5. Machaonia^ sp. South Mexico (lAebmann, 115) ; Nicaragua, Chontales (Tate, 425). Hb. Kew. ■^ 6. Machaonia, sp. Pai^ama, very common (S. Hayes, 87). Hb. Kew. 46. CHOMELIA. Chomelia, Jacq. Stirp. Amer. p. 18, 1. 113 ; Benth. et Hook. Gen. Plant, ii. p. 103. A Tropical-American genus of about twenty shrubby species. ;' 1. Chomelia filipes, Benth. in Vidensk. Meddel. 1852, p. 19. Gvettarda7 armata, Bartl. in DC. Prodr. iv. p. 457, ex Griseb. MS. in hb. Kew. Mexico [HwnJce) ; Nicaeagua, Granada {(Ersted). Hb. Kew. ^2. Chomelia tenuiflora, Benth. in Hook. Journ. Bot. iii. p. 235. Panama, near the city of Panama (Seemann, 341). — Colombia to Guiana. Hb. Kew. Possibly only one species. 47. MALANEA. Malanea, Anbl. PL Gni. i. p. 106, t. 41 ; Benth. et Hook. Gen. Plant, ii. p. 103. An exclusively Tropical- American genus, comprising about a dozen species of climbing, twining, trailing, or erect shrubs. ^. Malanea erecta, Seem. Bot. Voy. 'Herald,' p. 136. Panama, Isle of Tobaga [Seemann). Hb. Kew. Tribe XIV. KNOXIE^. Knoscieee, Benth. et Hook. Gen. Plant, ii. pp. 9, 21. A very small tribe, not represented in America. Tribe XV. CHIOCOCCE^. ChiococcetB, Benth. et Hook. Gen. Plant, ii. pp. 9, 21. Eleven small genera are referred to this tribe ; and they are exclusively Tropical American, with the exception of the monotypical Australian HodgJcinsonia. ^2 44 ETJBIACE^. 48. EEITHALIS. Erithalis, Linn. Gen. Plant, n. 238; Benth. et Hook. Gen. Plant, ii. p. 105. Five or six shrubby species. 1. Erithalis fruticosa, Linn. Sp. PL p. 251 ; DC. Prodr. iv. p. 465 ; Browne, Hist. Jam. 1. 17. fig. 3. Erithalis odorifera, Jacq. Stirp. Amer. p. 72, 1. 173. fig. 23. HoNDUKAs, without collector's name. — Florida, and common in the West Indies. Hb. Kew. 49. CHIOCOCCA. Chiococca, Linn. Gen. Plant, n. 231 ; Benth, et Hook. Gen. Plant, ii. p. 105. Siphonandra, Turcz. in Bull. Soc. Nat. Mosc. 1848, i. p. 581. Six or eight shrubby species, chiefly climbers. Margaris, DC, doubtfully referred to this genus by Bentham and Hooker, appears to be Symjahoricarpus. 1. Chiococca COriacea, Mart, et Gall, in Bull. Acad. Brux. xi. 1, p. 231. South Mexico, Chilotepec, near Vera Cruz [Linden, 423). Hb. Kew. 2. Chiococca macrocarpa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 230. South Mexico, Mirador, at 3000 feet {GaleoUi, 7064). 3. Chiococca phaenOStemon, Schl. in Linnaea, ix. p. 594. South Mexico, woods near Jalapa (Schiede & Beppe). — Colombia. Perhaps the same as C. racemosa, Jacq. 4. Chiococca racemosa, Jacq. stirp. Amer. p. 68 ; DC. Prodr. iv. p. 482. A common plant from Floeida and Mexico through the West Indies to Brazil and Peru. Hb. Kew. 5. Chiococca Staminea, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 231. South Mexico, Jalapa, at 4000 feet [Linden, 48). Hb. Kew. V 6. Chiococca, sp. Panama, Chagres [Fendler, 138). Hb. Kew. V7. Chiococca, sp. Guatemala [Friedrichsthal). Hb. Kew. 50. ASEMNANTHA. Asemnantha, Hook. fil. in Benth. et Hook. Gen. Plant, ii. p. 106. One shrubby species. 1. Asemnantha pubescens, Hook. fil. in Hook. Ic. Pi. xii. 1. 1145 [Asemnanthe). South Mexico, humid forests of Yucatan (Linden, 1264 bis). Hb. Kew. ETJBIACE^. 45 51. CHIONE. Ckione, DC. Prodr, iv. p. 461 ; Benth. et Hook. Gen. Plant, ii. p. 107. Three or four shrubby or small arboreous species, inhabiting the West Indies, and one of them extending to Mexico. 1. Chione glabra, DC. Prodr. iv. p. 461. Crusea glabra, A. Ricli. in Mem. Soc. Hist, Nat. Par. v. p. 204^ 1. 19. f. 1. South Mexico, Mirador, San Pablo and Paso del Correo {lAehmann, 77, 282, 283, 284, 285, 286). — Cuba; Dominica; Jamaica. Hb. Kew, 52. PLACOCAEPA. Placocarpa, Hook. fil. in Benth. et Hook. Gen. Plant, ii. p. 107. One shrubby species. 1. Placocarpa mexicana, Hook. fil. in Hemsl. Diag. PL Nov. pars altera, p. 30. (Tab. XXXVI. figg. 6-14.) Frutex ramosissimusj glaberrimus, ramis brevibus tortuosis. Folia opposita, breviter petiolata vel fere sessilia, creberrima, subcoriacea, lanceolata, oblonga vel obovata, 4-8 lin. longa, acuta vel obtusa, basi valde attenuata, subtus interdum glauca. Flores tetrameri, breviter pediceUati, axil] ares vel terminales, solitarii vel pedunctdis trifloris ; calyeis lobi obovato-spathulati, obtusi^ coriacei, persistentes, circiter 2 lin. longi ; corolla infundibularis, lente curva, 5-8 lin. longa, lobis brevibus, rotundatis, subinsequaUbus. Fructus obovatus, a latere compressus, lobis caly- cinis coronatus, bUocularis, loculis 1-spermis. South Mexico, Orizaba (Botteri, 316, 913 ; Bourgeau, 3022). Hb. Kew. EXPLANATION OF TAB. XXXVI. Figg. 6-14. Fig. 6, portion of a plant, natural size; 7, a flower; 8, a coroUa, laid open; 9, an ovary; 10, vertical section of the same ; 11, a young fruit ; 12, an ovule ; 13, cross section of young fruit : aU enlarged. Fig. 14, young fruit, natural size. Tribe XVI. ALBEUTEiE. Albertea, Benth. et Hook. Gen. Plant, ii. pp. 9, 22. There are seven genera of this tribe, all restricted to Africa and Madagascar. Tribe XVII. VANGUERIE^. Vangueriece, Benth. et Hook. Gen. Plant, ii. pp. 9, 22. This tribe also comprises only seven genera ; but two or three of them have numerous species. It is not represented in America. 46 EIJBIACEiE. Tribe XVIII. IXOREiE. » Ixorea, Benth. et Hook. Gen. Plant, ii. pp. 9, 22. Nine or ten genera, embracing about 200 species, belong here. The greater part of the species inhabit the Old World. 53. IXOEA. Ixora, Linn. Gen. Plant, n. 131 ; Benth. et Hook. Gen. Plant, ii. p. 113. A genus of probably upwards of 100 species of shrubs and small trees, chiefly Asiatic and African. 1/l. Ixora ferrea, Benth. in Linnsea, xxiii. p. 447. Siderodendron ferreum, Lam. lU. p. 282. Sider oaey hides f err eum, Jacq. Stirp. Amer. p. 19, 1. 175. fig. 9. Siderodendron triflorum, Vahl, Eel. i. p. 10. NiCABAGTTA, Segovia (CErsfed); Panama, Veraguas (ex Grisebach). — VEiiTEZUELA to Guiana and the West Indies. Hb. Kew. ^ 2. Ixora floribimda, Griseb. Cat. Pi. Cub. p. 134. Siderodendron floribundum, A. Rich, in Mem. Soc. Hist. Nat. Par. v. p. 184. NicABAGUA, near Sapoa {(Ersted). — Guiana ; Cuba. Hb. Kew. Tribe XIX. MOEINDEiE. Morindeee, Benth. et Hook. Gen. Plant, ii. pp. 9, 23. Ten genera of trees and shrubs, all confined to the Old World, except Morinda itself. 54. MOEINDA. Morinda, Ham. Gen. Plant, n. 235; Benth. et Hook. Gen. Plant, ii. p. 117. About forty species, chiefly Asiatic. ^ 1. Morinda panamensis, Seem. Bot. Voy. ' Herald,' p. 136. Panama, Chagres {Fendler, 148). Hb. Kew. > 2. Morinda roioc, Linn. Sp. Pi. p.'250; DC. Prodr. iv. p. 448; Jacq. Hort. Vindob. t. 16. Floeida. — British Hondueas {Mrs. Macdonnel); Panama, Aspinwall {S. Eayes, 566). — West Indies. Hb. Kew. Tribe XX. COUSSAREE^. Coussareem, Benth. et Hook. Gen. Plant, ii. pp. 9, 24. A wholly Tropical-American tribe, comprising about sixty species, referred to three genera. EUBTACE^. 47 55. COUSSAREA. Coussarea, Aubl. PI. Gui. i. p. 98, t. 38; Benth. et Hook. Gen. Plant, ii. p. 120. About twenty species of shrubs and trees, principally Brazilian. '^1. Coussarea pentamera, Karst. Fl. Colomb. ii. 1. 107. Costa Eica {Warscewicz). — 'Venezuela. Y 2. Coussarea, sp.] Panama, Eio Grande railway-station [S. Hayes, 175). Hb. Kew. 56. FARAMEA. Faramea, Aubl. PI. Gui. p. 103, t. 40; Benth. et Hook. Gen. Plant, ii. p. 121. Shrubs or small trees, chiefly Brazilian. About forty species. •^1. Faramea odoratissima, DC. Prodr. iv. p. 496. Coffea occidenfalis, Jacq. Stirp. Amer. t. 47. Tetramerium odoratissimum, Gsertn. fil. Fruct. iii. p. 90, 1. 196. South Mexico, valley of Cordova [Bourgeau, 2235), Jalapa {Galeotti, 1578), without locality {Liehmann, 209) ; Guatemala {Friedrichsthal) ; Panama, Rio Obispo {S. Hayes, 66). — Common in the northern part of South Ameeica and the West Indies. Hb. Kew. ^2. Faramea SUaveolenS, Duchass. in Bonplandia, 1858, p. 8. Panama {Buchassaing). 1/3. Faramea, sp. Panama, Chagres (Fendler, 104). Hb. Kew. Tribe XXI. PSYCHOTRIE2E. Psychotriece, Bentb. et Hook. Gen. Plant, ii. pp. 9, 24. Twenty-seven genera are referred to this tribe, which is generally dispersed in the tropics. Several of the genera, notably Psychotria itself, are very numerous in species, which are nearly all shrubby or arboreous. 57. PSYCHOTRIA. Psychotria, Linn. Gen. Plant, n. 229 ; Benth. et Hook. Gen. Plant, ii. p. 123. , A genus of upwards of 500 species, generally dispersed in the tropics, but having their greatest concentration in America. The American species are greatly in need of revision. We have departed from our practice of giving the unnamed species in Kew herbarium, because so few of the published names are therein represented by named specimens, though of the forty or so unnamed species, probably twenty are undescribed. 48 , ETJBIACE^. I. Psychotria acuminata, Benth. Bot. Voy. ' Sulphur,' p. 107. South Mexico, Tintalcingo {lAehmann, 96) ; Nicaragua, Chontales {Tate, 175), with- out locality {(Ersted); Panama, thick woods, Lion-Hill railway-station {S. Hayes, 669). Hb. Kew. ^2. Psychotria alba, Euiz et Pav. Fl. Peruv, ii. p. 58, t. 205, fig. a. Psychotria ardisimfolia, H. B. K. Nov. Gen. et Sp. iii. p. 359. V Var. mexicana, (Erst, in Vidensk. Meddel. 1852, p. 12. South Mexico, Pital, Cazadera and Jecaltepec {lAehmann, 23, 18, 17) ; Costa Eica, Guanacaste {(Ersted). Hb. Kew. The typical plant is widely dispersed in South America. 3. Psychotria aureola, Bartl. in DC. Prodr. iv. p. 513. Mexico {Hoenke). 4. Psychotria harbiflora, DC. Prodr. iv. p. 509. South Mexico, Cordillera of Oaxaca, at 3000 feet {Galeotti, 7182). — Brazil. Hb. Kew. 5. Psychotria biaristata, Bartl. in DC. Prodr. iv. p. 513 ; Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 229. South Mexico {Hcenke), forests of Chinantla, at 3000 feet {Galeotti, 7180). 6. Psychotria bracteolata, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 228. South Mexico, Sierra de Capulalpan, Eastern Cordillera of Oaxaca, at 7000 to 8000 feet {Galeotti, 7226). Hb. Kew. V 7. Psychotria COncolor, Benth. in Vidensk. Meddel. 1852, p. 9. Nicaragua, Volcan de Mombacho {(Ersted). Hb. Kew. NjS. Psychotria COStaricensis, Polak. in Linnaea, xli. p. 571. Costa Eica, Angostura {PolaJcowsJcy). nJ 9. Psychotria elongata, Benth. in Vidensk. Meddel. 1852, p. 10. Nicaragua, Volcan de Mombacho {(Ersted). Hb. Kew. 10. Psychotria erylihrocarpa, Schl. in Linnsea, ix. p. 595. South Mexico, Hacienda de la Laguna {Scheide), Papantla {lAehmann, 806). Hb. Kew. II. Psychotria (?) excelsa, H. B. K. Nov. Gen. et Sp. iii. p. 355, t. 282. South Mexico, Jalapa, at 4000 to 5000 feet {Humboldt & Bonpland, Galeotti, 7072). Hb. Kew. ^ 12. Psychotria flexuosa, WiUd. Sp. Pi. i. p. 966 ; DC. Prodr. iv. p. 610. Nonatelia paniculata, Aubl. PI. Gui. p. 181, t. 70. fig. 2. Costa Eica, Aguacate, at 2000 feet {(Ersted) % Hb. Kew. The original plant is a native of Guiana. EUBIA.CE^. 49 •^13. Psychotria furcata, DC. Prodr. iv. p. 512. Panama (Hcenke). ylL Psychotria glauca, Polak. in Linnaea, xli. p. 569. Costa Eica, San Jose {PolakowsJcy). |/l5. Psychotria graciliflora, Benth. in Vidensk. Meddel. 1852, p. 13 ; (Erst. L'Amer. Cent. t. 14. fig. 6. Costa Eica, Naranjo, 4500 feet {(Ersted). i/l6. Psychotria granadensis, Benth. in Vidensk. Meddel. 1852, p. 12. Nicaragua, Granada {(Ersted). Hb. Kew. 17. Psychotria grandis, Sw. Prodr. p. 43 ; DC Prodr. iv. p. 517. Mexico {Ecenke). — Jamaica. Hb. Kew. 18. Psychotria haenkeana, DC Prodr. iv. p. 507. Mexico 1 (ex Be Candolle). — Ecuador. ^19. Psychotria hebeclada, DC Prodr. iv. p. 513. South Mexico {Hcenke); British Honduras (Armstrong); Nicaragua, Chontales (Tate, 383) ; Costa Eica, Aguacate ((Ersted). Hb. Kevr. All except Hsenke's original are doubtful. 20. Psychotria jUSticioideS, Schl. in Linnsea, ix. p. 596. South Mexico, Mirador (Idebmann, 89 ; Linden, 1259 bis). Barranca de Tioselo (Schiede & Dejspe). — Colombia. Hb. Kew. ^^ 21. Psychotria lasvis, DC Prodr. iv. p. 505 ; (Erst, in Vidensk. Meddel. 1852, p. 15. Nicaragua, Chontales (Tate, 155), Pantasmo, near Segovia, 3000 to 4000 feet ((Ersted). ^ — Porto Eico. Hb. Kew. r22. Psychotria longicollis, Benth. in Vidensk. Meddel. 1852, p. 11. Costa Eica, San Lucas, Puntarenas and Aguacate, up to 2000 feet ((Ersted). Hb. Kew. 1/23. Psychotria marginata, Sw. Prodr. p. 43 ; DC Prodr. iv. p. 516. Mexico ; Panama (ex De Candolle). — Jamaica. 24. Psychotria mexicana, Willd. in Eoem. et Schult. Syst. V. p. 189 ; DC Prodr. iv. p. 513. Mexico (Humboldt & JBonpland). 1/25. Psychotria microdesmia, GErst. in Vidensk. Meddel. 1852, p. 14; Pola- kowsky in Linnsea, xli. p. 569. Costa Eica, Jaris ((Ersted), Angostura (PolakowsJcy). Hb. Kew. BIOL, cent.-amer., Bot. Vol. II., April \%%1. h 50 EUBIACE^. 26. Psychotria miradorensis, CErst. L'Amer, Centr. p. 17, t. 14. fig. 9 (sub Mapouria). South Mexico, near Mirador {Liehmann). 27. Psychotria mollis, Poir. % DC. Prodr. iv. p. 513. Mexico {HcenJce). ^ 28. Psychotria morse, Polak. in Linnsea, xli. p. -370. Costa Eica, San Jose {PolaJcowsJcy). \j 29. Psychotria nicaraguensis, Benth. in Vidensk. Meddel. 1852, p. 12. Nicaragua, San Juan river {(Ersted) ; Costa Eica, Jaris {(Brsted). Hb. Kew. 30. Psychotria ? nicotianaBfolia, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 229. South Mexico, woods near Mirador, at 3000 feet {GaleoUi, 7066). 31. Psychotria Obovata, (Erst. L'Amer. Centr. p. 17, t. 14. figg. 3, 4 (sub Mapouria). Mexico {lAebmann). 32. Psychotria padifoUa, Willd. in Eoem. et Schult. Syst. v. p. 189 ; DC. Prodr. iv. p. 513. South Mexico, Jalapa [Humboldt & Bonpland). 33. Psychotria papantlensis, OErst, L'Amer. Centr. p. 17, t. 14. fig. 5 (sub Mapouria). South Mexico, Papantla (Lieimann). ^ 34. Psychotria parvifolia, Benth. in Vidensk. Meddel. 1852, p. 13. NiCAEAGUA, Chontales (LSvy) ; Costa Eica, Volcan de Barba, 6000 feet {(Ersted). Hb. Kew. N 35. Psychotria pilosa, Euiz et Pav. Fl. Peruv. ii. p. 60, t. 208. fig. a. Nicaragua, Chontales {Seemann, 125). — Peru. Hb. Kew. >l 36. Psychotria pubescens, Sw. Prodr. p. 44; DC. Prodr. iv. p. 515, Nicaragua, Granada ((Ersted). — West Ikdies. Hb. Kew. 37. Psychotria quinqueradiata, Polak. in Linnsa, xli. p. 570. Costa Eica, San Jose and Carpintera {Polakowsky). 38. Psychotria rufescens, Spreng. Syst. i. p. 741 ; DC. Prodr. iv. p. 512. Var. a. ferruginea, DC. loc. cit. New Spain. Var. |3. hirta, DC. loc. cit. Colombia. EIJBIACE^. 51 Var. y. hsBiikeana, DC. loc. cit Mexico {Hoenlce). 39. Psychotria salicifolia, (Erst. L'Amer. Centr. p. 17, 1. 14. fig. 2. South Mexico, Lacoba (Liebmann). 40. Psychotria SCabriuSCula, Bartl. in DC. Prodr. iv. p. 513. South Mexico, Acapulco {HcenJce). 41. Psychotria Sessilifolia, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 228. South Mexico, Mirador and Zacuapan, Vera Cruz, at 2500 to 3500 feet {Galeotti, 7078), Tlapacoya {Liebmann, 204), Mirador {Linden, 787). Hb. Kew. 42. Psychotria Stipulata, (Erst. L'Amer. Cent. p. 17, t. 14. fig. 7 (sub Mapouria). SoujH Mexico, near Papantla {Liebmann). 43. Psychotria SUbsessilis, Benth. in Vidensk. Meddel. 1852, p. 10. Costa Eica, Turialva, at 3000 feet {(Ersted). Hb. Kew. 44. Psychotria .tomentosa, (Erst. L'Amer. Centr. p. 17, t. 14. fig. 8 (sub Mapouria). South Mexico, near Papantla {Liebmann). 45. Psychotria trichotoma, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 227. South Mexico, in the oak-forests of Jalapa and Mirador, at 3000 to 4000 feet {Galeotti, 7092). 46. Psychotria uliginosa, Sw. Prodr. p. 43 ; Griseb. Fl. Brit. W. Ind. p. 340. Central America (ex Grisebach). — Cuba to Trinidad and Guiana. 58. PALICOUEEA. Palicourea, Aubl. PI. Gui. i. p. 172^ t. 66 ; Benth. et Hook. Gen. Plant, ii. p. 125. Kestricted to Tropical America, and comprising about 100 shrubby species. ^ 1. Palicourea COStaricensis, Benth. in Vidensk. Meddel. 1852, p. 16. South Mexico, Mirador {Liebmann, 27) ; Costa Kica, Volcan de Barba and mountains of Candelaria {(Ersted, 64, 68). Hb. Kew. 2. Palicourea galeottiana, Mart, in Bull. Acad. Brux. xi. 1, p. 136. South Mexico, dense humid forests between Llano Verde and El Eincon, Oaxaca, and in Chinantla, in the high mountains of the Sierra de Yavesia, at 3000 to 6000 feet {Galeotti, 2602, 2636). Hb. Kew. /i2 52 EUBIACE^. 3. PaHcourea gardenioides, Benth, et Hook. Gen. Pi. ii. p. 125. Rhodostoma gardenioides, Schiedw. in Otto & Dietr. Allgem. Gartenz. x. p. 316 ; Moore, Mag. Bot. 1850j p. 65, cum ic. South Mexico, Vera Cruz to Orizaba {Muller, 228), Cazadero {Lieimann, 97, 100). Hb. Kew. V 4. Palicourea intermedia, CErst. ex Polak. in Linn^a, xli. p. 571. Costa Eica, Carpintera {PolaJcowsJcy). 5. Palicourea lanceolata, CErst. in Vidensk. Meddel. 1852, p. 17. Costa Rica, mountains of Candelaria, at 7000 feet {(Ersted). V6. Palicourea lasiorrhachis, CErst. in Vidensk. Meddel. 1852, p. 17. Costa Eica, mountains of Candelaria {(Ersted, 65, 69). Hb. Kew. ^ 7. Palicourea mexicana, Benth. in Vidensk. Meddel. 1852, p. 15. South Mexico, Orizaba [Botteri, 1038), Jalapa {Linden, 508), Cordillera of Oaxaca, 3000 to 4000 feet {GaleoUi, 2617), valley of Cordova {Bourgeau, 2062); Guatemala {Friedrichsthal) ; Costa Eica, Volcan de Barba and mountains of Candelaria {(Ersted) ; Panama, Boquete {Seemann, 1151). Hb. Kew. 8. PaHcourea nigrescens, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 136. South Mexico, Jalapa, at 4000 feet {Galeotti, 2653). V 9. Palicourea? parviflora, Benth. Bot. Voy. ' Sulphur,' p. 107. Panama, island off Veraguas {Sinclair), without locality {Seemmm, 353). Hb. Kew. vlO. PaHcourea Subrubra, Polak. in Linnaea, xli. p. 571. Costa Eica, Carpintera {PolaJcowsJcy). ^ 11. PaHcourea, sp. Costa Eica {Endres, 138). Hb. Kew. ^ 12. PaHcourea, sp. Costa Eica {Endres, 171). Hb. Kew. 13. PaHcourea, sp. Costa Eica {Endres, IZ^). Hb. Kew. 14. Palicourea, sp. Panama, Chagres {Fendler, 65). Hb. Kew. 59. DECLIEUXIA. Declieuxia, H. B. K. Nov. Gen. et Sp. iii. p. 352, t. 281 ; Benth. et Hook. Gen. Plant, ii. p. 126. About twenty-five herbaceous and half-shrubby species, restricted to the mainland of Tropical America. EUBIACE^. 53 1. Declieuxia galeottii, Mart, in Bull. Acad. Brux. xi. 1, p. 231. South Mexico, in various localities in the Eastern Cordillera of Oaxaca, 5000 to 7000 feet {GaleoUi, 2603). '' 2. Declieuxia mexicana, DC. Prodr. iv. p. 479. Mexico {HwnJce) ; Guatemala, between Tocoy and San Geronimo {Bernoulli, 1011) ; Panama {Seemann, 349). Hb. Kew. 60. CEPHAELIS. Cephaelis, Sw. Prodr. p. 45 ; Benth. et Hook. Gen. Plant, ii. p. 137. A genus of about seventy species of shrubs and under shrubs, or rarely herbs, inhabiting tropical countries; with a few exceptions in Africa, Asia, and Oceania, they are American. ^ 1. Cephaelis discolor, Polak. in Linnsea, xli. p. 572. Costa Rica, Angostura {PolaJcoiosJey). 2. Cephaelis hirsuta, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 135. South Mexico, Chinantla, Eastern Cordillera of Oaxaca, at 4000 feet {GaleoUi, 7185). ^3. Cephaelis punicea, Willd. Sp. Pi. i. p. 977 ; DC. Prodr. iv. p. 533. South Mbxico, Hacienda de Jovo {Liehmann, 11), without locality {Hahn) ; NiCA- kagua, Chontales {Seemann, 135 ; Tate, 382) ; Costa Eica, Naranjo {(Ersted). — Jamaica. Hb. Kew.' ]/L Cephaelis psychotriaefolia, Seem. Bot. Voy. ' Herald,' p. 138. Panama, shady woods near Cruces {Seemann, 482). Hb. Kew. > 5. Cephaelis tomentosa, Willd.' Sp. Pi. i. p. 977 ; DC. Prodr. iv. p. 533. Tapogomea tomentosa, Aubl. PL Gui. p. 160, t. 61. South Mexico, Sierra de San Pedro Nolasco {Jttrgensen, 738), Tintalcingo {Ideimann, 15), Tabasco {Linden, 1611); British Honduras {Temple); Nicaragua, Chontales {Seemann, 134); Costa Eica {Polakowsky) ; Panama, Chagres {Fendler, 177), near Cruces {SeeiTiann, 481 ). — Southward to Peru and Brazil, and in Trinidad. Hb. Kew. 6. Cephaelis, sp. South Mexico {Liebmann, 111). Hb. Kew. 7. Cephaelis, sp. South Mexico, Matlaluca {Liebmann, 16). Hb. Kew. 61. GEOPHILA. GeopMla, Don, Prodr. Fl. Nepal, p. 136; Benth. et Hook. Gen. Plant, ii. p. 127. About ten species of dwarf herbs, widely dispersed in the tropics. 54 WUBIACEM. 1. Geophila reniformis, Don, Prodr. Fl. Nepal, p. 136. Psychotria herbacea, Linn. Sp. PI. p. 245 ; Jacq. Stirp. Amer. t. 46. Cephaelis reniformis, H. B. K. Nov. Gen. et Sp. iii. p. 377. South Mexico, Tantoyuca (Ervendberg), Oaxaca {GaleoUi, 2630). — Common m Tkopical America, and widely dispersed in the tropics of the Old World. Hb. Kew. W 2. Geophila violacea, DC. Prodr. iv. p. 537. Psychotria violacea, Aubl. PL Gui. i. p. 145^ t. 55. Panama {Hcenke). — Guiana. Probably a variety of 0. reniformis. Tribe XXII. P^DERIE^. Ptederie(S, Bentli. et Hook. Gen. Plant, ii. pp. 9^ 25. Six genera and about twenty species constitute this tribe, which is generally dis- persed, though it does not appear to be represented within our area. Tribe XXIII. ANTHOSPERME^E. Antliospermece, Benth. et Hook. Gen. Plant, ii. pp. 9, 26. Twenty .genera, several of them rather numerous in species, are referred to this tribe,, which is represented in most tropical and subtropical regions, some few occurring in temperate regions. 62. MITCHELLA. Mitchella, Linn. Gen. Plant, n. 134; Benth. et Hook. Gen. Plant, ii. p. 137. Herbs. The following and one other Japanese species. 1. Mitchella repens, Linn. Sp. Pi. p. 161 ,- Lodd. Bot. Cab. t. 979. North America, from Canada and Nova Scotia southward* through the Eastern States to — Mexico, between Pueblo Nuevo and Eeal del Monte (ex BeCandolle), near Betaza {Hartweg). Hb. KeM\ 63. NEETERA. Nertera, Banks et Sol. in Gsertn. Pruct. i. p. 124, t. 26 ; Benth. et Hook. Gen. Plant, ii. p. 138. About six species of very dwarf herbs, inhabiting the mountains of Java, the Philippine and Sandwich Islands, Australia, New Zealand, and the Andes of America. 1. Nertera depressa, Banks et Sol. in G-dies. Hb. Kew. ^| 7. Diodia setigera, DC. Prodr. iv. p. 563. South Mexico, Vera Cruz (Gouin) ; Guatemala, between Intraba and Santa Cata- rina (Bernoulli, 714) ; Nicaragua, Segovia {(Ersted). — Brazil. Hb. Kew. 8. Diodia teres, Walt. Fl. Carol, p. 87 ; DC. Prodr. iv. p. 562. Spermacoce diodina, Michx. Fl. Bor.-Amer. i. p. 82. MissouEi and Carolina to Florida and — North Mexico, Sonora {Wright, 1122). Hb. Kew. 9. Diodia tetraCOCCa, Hemsley, Diag. PL Nov. pars altera, p. 32. (Tab. XL. figg. 10-15.) Perennis, nanaj ramosa, ramis graciliusculis puberulis, foliis coriaceis lineari-lanceolatis apice sparse ciliatisj floribus solitariis vel geminis, lobis calycinis ssepissime 4 ciliatis corollam sequantibuSj stylo quadrifido breviter exserto^ fructu tetracocco. Herba perennisj 2-3-pollicaris, ramosa, ramis graciliusculis, puberulis. Folia opposita, sessilia, coriacea, lineari-lanceolataj 3-5 lineas longa, acutiuscula, margine revoluta, apieem versus sparse ciliata ; stipulje connatse, breviter setosse. Flares sessiles, saepissime tetrameri, solitarii vel geminati ; calycis limbus ssepe 4-lobus ; lobi subinsequales, unus vel duo eorum interdum desunt, coriacei, lineares, grosse albo-cUiati, l-l-g^ lin. longi, persistentes ; coroUse tubus gracilis, sursum dUatatus, 1-1 1^ lin. longus, lobi ovati, obtusi, semUin. longi, apice leviter barbati; stamina ori corollBe inserta, filamentis brevibus ; stylus filiformisj quadrifidus, breviter exsertus. Fructus tetracoccus, sulcatus, subglobosus, glaber, lobis calycinis coronatus, 4-spermus. — Spermacoce ? tetracocca, Mart, et G-al. in Bull. Acad. Brux. xi. 1, p. 132. South Mexico, near Cuemavaca {Schaffner, 32), Eeal del Monte {Coulter, 197), Morelia, 7000 feet {Qaleotti, 2587). Hb. KeAv. This plant has been referred to various genera in herbaria ; but it certainly is closely allied to Diodia tricocca, Torr. & Gray, a Texan species. EXPLANATION OF TAB. XL. Figg. 10-15. Fig. 10, a plant, natural sizcj 11, portion of branch, showing leaf and stipule; 12, a flower; 13, one lobe of corolla and a stamen ; 14, vertical section of pistil ; 15, horizontal section of pistil : all enlarged. 10. Diodia vOlosa, DC. Prodr. iv. p. 562 ; Caiques des Dess. Fl. Mex. 494. South Mexico, near Tantoyuca {Ervendberg, ex A. Gray) ; New Spain (ex DeCandoUe). 66. DASYCEPHALA. Dasycephala, DC. Prodr. iv. p. 565 {Diodia sect. 2) ; Beiith. et Hook. Gen. Plant, ii. p. 143. A Tropical-American genus of three or four herbaceous species. EUBIACE^. 57 1. Dasycephala indecora, DC. Prodr. iv. p. 565. Mexico, Cordillera of Guichilapa (Serlandier). 67. CEUSEA. Crusea, Ch. et Schl. in Linnaea, v. p. 165 ; Benth. et Hook. Gen. Plant, ii. p. 144. About a dozen herbaceous species, inhabiting Central America and Mexico. 1. Crusea brachyphylla, Ch. et Schl. in Linnsea, V. p. 165. South Mexico, Cerro Colorado (Schiede & Deppe), peak of Orizaba, at 7000 feet {Galeotti, 2605), without locality {Graham). Hb. Kew. 2. Crusea calocephala, DC. Prodr. iv. p. 567. South Mexico {Mogino & SessS), Vera Cruz, Oaxaca, Michoacan, &c., at 2500 to 5000 feet (Galeotti, 2580, 2591). Hb. Kew. 3. Crusea coccinea, Prodr. iv. p. 567. South Mexico, Cordillera of Oaxaca, in woods at 4000 feet (Galeotti, 2635). 4. Crusea hispidula, Bartling, Ind. Sem. Hort. Bot. Gotting. 1839. South Mexico, Juquila, western Cordillera of Oaxaca, 6000 to 7000 feet (Galeotti, 2628). ^5. Crusea longibracteata, Benth. in Vidensk. Meddel. 1852, p. 6. NiCABAGUA, Qranada,' ((Ersted, 39). Hb. Kew. 6. Crusea lucida, Benth. Bot. Voy. ' Sulphur,' p. 109. South Mexico (Hinds). Hb. Kew. 7. Crusea parviflora, Hook, et Am. Bot. Beech. Voy. p. 430, t. 99 c. NoETH Mexico, Cerro de Pinal (Seemann, 1495) ; South Mexico, Acapulco (Sinclair). Hb. Kew. 8. Crusea rubra, Ch. et Schl. in Linnsea, v. p. 165. South Mexico, Jalapa (Coidter, 198; Galeotti, 2580), valley of Cordova (Bourgeau), Orizaba (SallS), Mirador (Liebmann, 194 ; Linden, 521); Guatemala, Volcande Fuego, at 4600 feet (Salvin). Hb. Kew. 9. Crusea Subulata, Hook, et Am. Bot. Beech. Voy. p. 431. South Mexico, San Bias to Tepic (Sinclair). Hb. Kew. 10. Crusea wrightii, A. Gray, Pi. Wright, ii. p. 68. North Mexico, Sonora (Wright, 1121). Hb. Kew. 11. Crusea, sp. South Mexico, Cordillera of Oaxaca, woods at 7000 to 9000 feet (Galeotti, 2640). Hb. Kew. BIOL. CENT.-AMEK., Bot, Vol. II., April 1881. i 58 EUEIACE^. ''12. Crusea, sp. Guatemala, Zapote {Bernoulli, 334). Hb. Kew. 13. Crusea, sp. South Mexico, region of Orizaba (Bourgeau, 3219). Hb. Kew. 68. SPERMACOCE. Spermacoce, Linn. Gen. n. 119; Benth. et Hook. Gen. Plant, ii. p. 145. A genus of about 150 species of annual and perennial herbs and undershrubs, scattered throughout the tropics, but most numerous in America. The species are greatly in need of revision. We can only give a rough list of names of those recorded as indigenous in Mexico and Central America. 1. Spermacoce aspera, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 130 (sub Borreria). South Mexico, near Juquila, on the Pacific coast of Oaxaca, at 4000 feet (Galeotti, 2625). 2. Spermacoce asperifolia, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 132. South Mexico, humid places near the Pacific Ocean in the State of Osixaca, (Galeotti, 2626). Hb. Kew. 3. Spermacoce bartlingiana, DC. Prodr. iv. p. 544 (sub Borreria). Mexico {EcenJce) ; Costa Eica, Aguacate ((Ersted). 4. Spermacoce distans, H. B. K. Nov. Gen. et Sp. iii. p. 344. Borreria distans, Ch. et Schl. in Linnsea, iii. p. 340. South Mexico, Volcan de Jorullo, at 3000 feet (Humboldt & Bonpland). In Kew herbarium Galeotti's n. 2606 is referred to this species. See S. ovalifolia. 5. Spermacoce echioides, H. B. K. Nov. Gen. et Sp. iii. p. 344 ; Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 131. South Mexico, Campeche (Ewmboldt & Bonpland), savannas of Zacuapan, at 3000 feet (Galeotti, 2611 bis). 6. Spermacoce ferruginea, St.-Hil. PL Us. Bras. 1. 13. Borreria ferruginea, DC. Prodr. iv. p. 547; Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 128. South Mexico, Mirador, at 3000 feet (Galeotti, 2608). — Brazil. Hb. Kew. 7. Spermacoce graminifolia, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 129 (sub Borreria). South Mexico, oak-forests of El Sabino, near Zimapan, at 6500 ieei (Galeotti, 2.b%^). Hb. Kew. EUBIACE^. 59 8. Spermacoce haenkeana, DC. Prodr. iv. p. 547 (sub Bmreria). South Mexico {HcenJce), Morelia (Galeotti, 2585) ; Costa Rica, Aguacate {(Ersted, 38). Hb. Kew. 9. Spermacoce laevigata, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 130 (sub Borreria). South Mexico, valley of Morelia, Valladolid de Michoacan, at 5000 feet, and in the plaia of Jordana, near Toluca, at 8000 feet {Galeotti, 2586). 10. Spermacoce Isevis, Lam. ill. n. 1435, t. 94. f. 2. Borreria Itsvis, Griseb. Fl. Brit. W. Ind. p. 349. South Mexico, Yucatan and Tabasco {Johnson, 136); Guatemala, Mazatenango {Bernoulli, 550). — ^And throughout the West Indies. Hb. Kew. 11. Spermacoce longiflora, H. B. K. Nov. Gen. et Sp. iii. p. 347. South Mexico, near Ario and the city of Mexico, 6000 to 7000 feet {Humboldt & Bonpland). 12. Spermacoce longiseta, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 128 (sub Borreria) . South Mexico, savannas of Zacuapan and Mirador, at 3000 ieet {Galeotti, 2611). Hb. Kew. 13. Spermacoce oaxacana, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 130 (sub Borreria). South Mexico, near the city of Oaxaca, at 5000 feet {Galeotti, 2629). Hb. Kew. 14. Spermacoce OValifolia, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 129 (sub Borreria). South Mexico, Mirador, at 3000 feet {Galeotti, 2606). Hb. Kew. 15. Spermacoce parviflora, G. F. W. Mey. Fl. Esseq. p. 83, t. l ; DC. Prodr. iv. p. 544 (sub Borreria). Borreria ramisparsa, DC. Prodr. iv. p. 544. South Mexico, region of Orizaba {Bourgeau, 2624 ; Muller) ; Guatemala, Mazate- nango {Bernoulli, 528) ; Hondueas, Gulf of Fonseca {Sinclair) ; Nicaragua, Greytown {Tate, 47) ; Panama, Chagres {Fendler, 147, 262), meadows near the city of Panama {Seemann, 243). — Common in Tropical South America and the West Indies. Hb. Kew. 16. Spermacoce patula, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 128 (sub Borreria). South Mexico, Mirador, at 3000 feet {Galeotti, 2608). Hb. Kew. i2 60 ETJBIACE^. 17. Spermacoce podocephala, DC. Prodr. iv. p. 542 (sub Borreria). North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 307); South Mexico, Aguas Calientes {Hartweg), common around Tacubaya {Schaffner). Hb.Kew. ^18. Spermacoce portoricensis, Balb. in DC. Prodr. iv. p. 552; Polak. in Linnsea, xli. p. 573. Costa Rica, San Jose {PolaJcowsJcy) % — Poeto Eico. 19. Spermacoce procera, Schl. m Linnaea, ix. p. 593. South Mexico, Hacienda de la Laguna (Schiede & Beppe), Cordillera of Vera Cruz, at 3000 feet {Galeotti, 2610). Hb. Kew. 20. Spermacoce psyllioides, H. B. K. Nov, Gen. et Sp. iii. p. 346, t. 278. Borreria psyllioides, DC. Prodr. iv. p. 548. South Mexico, near Ario, 6000 feet {Humboldt & Bompland). 21. Spermacoce SetOSa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 131 (sub Borreria). South Mexico, palm-forest on the Pacific coast of Oaxaca {Galeotti, 2627). i 22. Spermacoce spinosa, Linn, Sp. Pi. p, 148. Borreria spinosa, Ch. et Schl. in Linnsea, iii. p. 340; DC. Prodr. iv. p. 542. Panama, Chagres {Fendler, 144). — Martinique ; Cuba. Hb, Kew. 23. Spermacoce Subldata, Pav., ex DC. Prodr. iv. p, 543. Borreria subulata, DC. loc. cit. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 306) ; South Mexico, Eastern Cordillera of Oaxaca, at 6000 to 7000 feet {Galeotti, 2654), Eeal del Monte and Zimapan {Coulter, 195), Chiapas {Ghieshreght, 611), valley of Mexico {Bourgeau, 749), Vera Cruz to Orizaba {Miiller, 291). Hb. Kew. "^ 24. Spermacoce SUifruteSCens, Jacq. Hort. Schonb. t. 322 ; DC. Prodr. iv. p. 553 ; Polak. in Linnaea, xli. p. 573. Costa Rica, San Jose {Polakowsky). Patria ignota ex DC. ^25. Spermacoce tenuior, Linn. Sp. Pi. p. 147; DC, Prodr. iv. p. 552. Southern States of North America. — Mexico, Cordillera of Oaxaca, 3000 to 4000 feet {Galeotti, 2018), Chinantla {Hartweg), Pital {lAehmann, 167), region of Orizaba {Bourgeau, 2935) ; Nicaragua, Chontales {Tate, 211) ; Panama, Chagres {Fendler, 145). — And widely dispersed in Tropical South America and the West Indies. Hb. Kew. "^26. Spermacoce verticillata, Sw., ex DC. Prodr. iv, p. 541. Borreria verticillata, G. F. W. Mey. PI. Esseq. p. 83. North Mexico, Cerro de Pinal {Seemann) ; South Mexico, valley of Mexico {Bour- geau, 100), Orizaha'{Bourgeau, 2850) ; Guatemala, Acatenango {Hartweg, 586), without EIJBIACE^. 61 localities {Bernoulli, Salvin) ; NiCAKAauA, between Sapoa and Tortuga {(Ersted). — Common nearly aU over Teopical America and the West Indies. Hb. Kew. 27. Spermacoce virgata, Ch. et Schl. in Linnaea, iii. p. 324 (sub Borreria); Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 128. South Mexico, Jalapa and Mirador, 3000 to 4000 feet {Galeotti, 2618). — Brazil. Hb. Kew. 69. HEXASEPALUM. Hexasepahm, Bartl.^ ex DC. Prodr. iv. p. 561 ; Benth. et Hook. Gen. Plant, ii. p. 145. An obscure genus of one shrubby species. 1. Hexasepalum angUStifolium, Bartl., ex DC. Prodr. iv. p. 561. South Mexico, Real del Monte [Hoenke). 70. MITRACARPUM. Mitracarpum, Zucc. in Schultes's Mant. iii. p. 210 ; Benth. et Hook. Gen. Plant, ii. p. 146. Thirty species of herbaceous plants, the greater part Tropical American, the remainder in Tropical and South Africa. 1. Mitracarpum breviflorum, A. Gr. Pi. Wright, ii. p. 68. North Mexico, Sonora {Wright, 1120), Sonoita vaUey {Bothrock). ^2. Mitracarpum pallidum, Hook, et Am. Bot'. Beech. Voy. p. 430. Nicaragua, Realejo {Sinclair, (Ersted). Hb. Kew. '^. Mitracarpum schizangium, DC. Prodr. iv. p. 572. South Mexico, Tepic {Sinclair), San Augustin {Liehmann, 157) ; Nicaragua, Volcan el Viejo {(Ersted). Hb. Kew. Var. angUStifolium, (Erst, in Vidensk. Meddel. 1852, p. 7. Nicaragua, Volcan el Viejo {(Ersted). ^4. Mitracarpum villosum, Ch. et Schl. in Linnaea, iii. p. 363 ; DC. Prodr. iv. p. 572. Spermacoce hirta, Jacq. Ic. Bar. t. 308. South Mexico, Cordillera of Vera Cruz, 3000 feet {Galeotti, 2607), Mirador {Linden, 1255) ; Costa Rica, Aguacate, at 2000 feet, and near Cartago, at 4700 feet {(Ersted).— Colombia to Peru, and in the West Indies. Hb. Kew. 5. Mitracarpum, sp. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 305). Hb. Kew. 62 EIJBIACE^. 71. EICHAKDSONIA. Richardsonia, Kunth, in H. B. K. Nov. Gen. et Sp. iii. p. 350^ t. 279; Benth. et Hook, Gen. Plant. ii. p. 147. Richardia, Linn. Gen. Plant, n. 439. Half a dozen herbaceous species, inhabiting the warmer parts of America. 1. Richardsonia haBnkeana, DC. Prodr. iv. p. 569. Mexico {Hoenke). 2. Richardsonia pilosa, Euiz et Pav. Fl, Peruv. iii. p. 50 ; H. B. K. Nov. Gen. et Sp. iii. p. 350, t. 279; Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 134. South Mexico, Jalapa, Mirador, &c., 2800 to 4500 feet {Oaleotti, 2582). — Colombia; Peru. Hb. Kew. V 3. Richardsonia SCabra, A. St.-Hil. Pi. Us. Bras. t. 8 ; DC. Prodr. iv, p. 567. South Mexico, Jalapa, at 4000 feet {Galeotti, 2582), Mirador, Laguna Salada, Hadienda de Jovo [Lielmann, 177, 178, 180, 181), region of Orizaba {Bourgeau, 2729), Mirador (Linden, 1254) ; Guatemala, Mazatenango (Sernoulli, 581) ; Costa Eica, Cartago {(Ersted, 35). — Common nearly throughout Tropical South Ameeica and in the West IisrDiES. Hb. Kew. Trite XXV. GALIEiE. Galiem, Benth. et Hook. Gen. Plant, ii. p. 149. The whole of this tribe is herbaceous. It comprises ten genera and upwards of 400 species, and has nearly the same range as the order, though the species are mostly confined to temperate regions. 72. EELBUNIUM. Relbuniwm, Endl. Gen. Plant, p. 523 [Galii sect.); Benth. et Hook. Gen. Plant, ii. p. 149. About twenty species, exclusively American, and extending from subtropical regions in the north to Chili and Buenos Ayres. Perhaps better as a section of Galium. 1. Relbuninm aschenbornii, Schauer in Linnsea, xx, p. 701. Mexico {Aschenborn). 2. Relbuninm ciliatum, Hemsley. Galium, ciliatum, Ruiz et Pav. Fl. Peruv. i. p. 59. Galium involucratum, H. B. K. Nov. Gen. et Sp. iii. p. 334. Rubia ciliata, DC. Prod. iv. p. 591. ETJBIACILE, 63 South Mexico, woods of M Sabino, north of the city of Mexico, at 6500 feet {Galeotti, 2596). — Colombia; Peeu. We have not seen the Mexican specimens referred to this species by Martens and Galeotti. ^ 3. Relbunium hypocarpium, Hemsley. Rubia hypocarpia, DO. Prodr. iv. p. 591. Valantia hypocarpia, Linn. Sp. PI. p. 1491. South Mexico, Mirador (Idehmann, 225), Cordillera of Oaxaca, at 4000 feet (Galeotti, 2622), Vera Cruz to Orizaba [Muller, 1551) ; Costa Eica, Cartago {(Ersted) ; Panama, Veraguas (Seemann, 1599). — Generally dispersed in Tropical South America and the West Indies. Hb. Kew. 4. RelTjunium laevigatum, Hemsley. Rubia laevigata, DC. Prodr. iv. p. 591. Mexico {HoenJce) ; Costa Eica, Cartago, 5000 feet {(Ersted) % 5. Eelbunium microphyUum, Hemsley. Galium microphyllum, A. Gr. PI. Wright, i. p. 80. Texas; New Mexico; Arizona. — Noetw Mexico, Sierra Madre {Seemann, 2062, 2063), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 309, 310) ; South Mexico, Zimapan {Coulter, 186). Hb. Kew. 6. Relbunium polyploCUm, Hemsley, Diag. PI. Nov. pars tertia, p. 53. Herbaceum, repens vel procumbens, omnino hispidulo-pilosum, densissime ramosum, ramis fere filiformibus, internodiis brevibus, foliis parvis quaternis linearibus vel lineari-oblongis vix acutis trinerviiSj nervis lateralibus juxta marginem. Herba annua vel perennis, omnino hispidulo-pilosa (pilis patentissimis albescentibus), densissime et intricatissime ramosa^ ramis fere fiUformibus, prominenter tetragonis, internodiis foliis sequi- longis vel duplo longioribns. Folia nitida, duriuscula, arete sessilia, quaterna, linearia vel anguste lineari-oblonga^ 2-3 lineas longa, vix acuta, trinervia, nervis lateralibus marginalibus, costa decurrente. Flares in involucro tetraphyllo solitarii, sessiles, pedunculis soHtariis quam folia pauUo longioribus. Fructus albo-grantdosus, glabris. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 308); South Mexico, Mirador {Linden, 516 ; lAehmann, 243, 244). Hb. Kew. This closely resembles B. microphyllum, which, however, is glabrous and less intri- cately branched. 73. GALIUM. Galium, Linn. Gen. Plant, n. 125 ; Benth. et Hook. Gen. Plant, ii. p. 149. About 253 species have been described ; but Bentham and Hooker think they might be reduced to 150. They are spread over all temperate and most subtropical regions. 1. Galium asperrimum, A. Gr. Pi. Fendl. p. 60. New Mexico; Arizona. — Noeth Mexico, Mount Graham, Southern Arizona [Rothrock). 64 ETJBIACE^, 2. Galium canescens, H. B. K. Nov. Gen. et Sp. iii. p. 203 ? South Mexico, Eeal del Monte, at 8000 feet, and near Jalapa, at 4000 feet (Galeofti, 2598, 2616 bis), Chiapas (Ghiesbreght, 886). Hb. Kew. The typical plant is a native of Peru. 3. Galium ? denticulatum, Bartl. in DC. Prodr. iv. p. 612. South Mexico, Eeal del Monte {Hcen^e). 4. Galium fuscum, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 126. South Mexico, Cerro de San Felipe, near Oaxaca, at 5000 feet, and Cerro de Juquila, at 7000-8500 feet (Galeotti, 2633). Hb. Kew. ^ 5. Galium geminiflorum, Mart, et Gal. in BuU. Acad. Brux. xi. 1, p. 126. (Tab. XLI. figg. 1-3.) South Mexico, peak of Orizaba, at 9500 feet {Galeotti, 2604), at 10,000 feet {Lieb- mann, 236), Zimapan {Coulter, 189) ; Guatemala, Bano de los Padres {Bernoulli,1^1\ Hb. Kew. EXPLANATION OF TAB. XLI. Figg. 1-3. Fig. 1, a portion of plant, natural size ; 2, a leaf, and 3, a fruit, enlarged. 6. Galium glaberrimum, Hemsley, Diag. Pi. Nov. pars tertia, p. 53. Omnino glaberrimum^ ramis striatulis, foliis ampliusculis septenis (vel supremis oppositis) oblongis vel obovatis cuspidatis glaucis, fioribus minutis laxe cymosis, cymarum ramulis pedicellisque filiformibusj fructu laevi subcamoso. Herba (perennis ?) omnino glaberrima et glauca, ramis graciliusculis, teretibus, striatulis, internodiis distantibus. Folia sessilia, membranacea, septena, vel suprema opposita, oblonga vel obovata, usque sesquipollicaria, cuspidata vel aristata, basi cuneata, reticulato-venosa. Flores minuti, laxe cymosi, cymarum ramulis pedicellisque filiformibus. Fructus immaturus didymus, laevis, subcarnosus. Mexico, without locality {Idebmann, 220). Hb. Kew. We have ventured to found this species on very imperfect materials, on account of its distinct character. It is readily distinguished by its glabrous glaucous stems and rather large leaves in whorls of seven, associated with loose inflorescence, thread-like pedicels, and a naked somewhat fleshy fruit. 7. Galium hirsutum, Euiz et Pav. Fl. Peruv. i. p. 59 %, ex Mart. etGal. in Bull. Acad. Brux. xi. 1, p. 126. South Mexico, Mirador, at 3000 feet {Galeotti, 2650). 8. Galium hypadenium, Schauer in Linn^a, XX. p. 700. Mexico {Aschenborn). 9. Galium jalapense, Schl. in Linnsea, ix. p. 591. South Mexico, Jalapa {Schiede & Deppe). EIJBIACE^. 65 10. Galium leUCOtrichmn, Hemsley, Diag. Pi. Nov. pars tertia, p. 53. (Tab. XLI. figg. 4-6.) Suffrutescens, valde ramosunij ramis floriferis setosis tetragonis, internodiis brevibus, foliis quatemis sessilibus brevibus oblongo-ellipticis obtusiusculis subtrinerviis subtus dense albo-pilosisj floribus dioicis vel saltern unisexualibus minutis trichotomo-cjTnosis, fructu parvo longe molli- terque albo-piloso. Herba suffrutescensj valde ramosunij ramis annotinis ssepe longe repentibus, IsevibuSj glabris, nitidis, teretibus, lignescentibus, aphyllis, bornotinis vel floriferis erectis vel adscendentibus, robustiusculis, 6-9-pollicaribu8, internodiis brevibus ant brevissimis. Folia quaterna, crassi- uscula, asperula, sessilia, oblongo-elliptica, 3-6 lineas longa, obtusiuscula (in siccis margine plus minusve recur vo), subtrinervia, subtus dense albo-pilosa vel bispidula, supra glabrescentia, nitida. Flores unisexuales (dioici?), dense tricbotomo-cymosi, breviter pedicellati^ $ fere lineam diametro, ? semilineam diametro j corolla extus parce et longiuscule pilosa. Fructus parvus, longe moUiterque albo pilosus. South Mexico, Vera Cruz to Orizaba (Miiller, 174), San Cristobal, region of Orizaba {Bourgeau, 3125), Tebuacan {Liebmann, 238), Orizaba [Sumichrast, 614). Hb. Kew. EXPLANATION OF TAB. XLI. Pigg. 4-6. Fig. 4, portion of a plant, natural size ; 5, a fruit, and 6, a leaf, magnified. 11. Galium mexicanum, H. B. K. Nov. Gen. et Sp. iii. p. 337. South Mexico, near Guanaxuato, 6000 to 7000 feet {Humboldt & JBonpland), Mirador, 2500 to 4000 feet {Galeotti, 2616 ; Linden, 517; Liebmann, 233), Tizapan, valley of Mexico (Bourgeau, 699), Orizaba (Botteri, 840, 841); Panama, Boquete (Seemann, 1698) ^ Hb. Kew. 12. Galium obstipum, Schl. in Linnsea, ix. p. 592. a. latifoHum, Schl. loc. cit. South Mexico, shady woods, Jalapa (Schiede & Leppe), Orizaba {Botteri, 836, 837), Eeal del Monte {Coulter, 185), Chiaantla {Liebmann, 222), woods at Yavezia, Eastern Cordillera of Oaxaca, 7000 to 8000 feet {Galeotti, 2656). j3. angustifoUum, Schl. loc. cit. South -Mexico, San Miguel del Soldado {Schiede & I)eppe). Hb. Kew. This species may be the same as G. uncinulatum, DC. 13. Galium orizabense, Hemsley, Diag. PI. Nov. pars tertia, p. 54. Herbaceum, hispidulum, vix asperulum, ramis flexilibus usque 5-pedalibus graciliusculis tetragonis, foliis quaternis lineari-lanceolatis obtusiusculis obscure trinerviis teniiibus, floribus parvis numerosissimis tricbotomo-cymosis, petalis ovato-oblongis distincte acuminatis, fructu dense uncinato-setuloso, setulis vix rigidis. Herba perennis,liispidula, vix asperula, valde ramosa, ramis elongatis, usque 5-pedalibus, graciliusculis, tetragonis, flexiUbus, debilibus vel interdum robustiusculis, infra sublignosis. Folia quaterna, tenuia, subsessilia, lineari-lanceolata vel fere oblonga, 3-10 lineas longa, obtusiuscula, tota sparse bispidulo-pilosa, vix scabrida, obscure trinervia. Flores numerosissimi, tricbotomo- BiOL. cent.-amee., Bot. Vol. II., April 1881. k 66 ETJBIACE^. cymosij longiuscule pedicellati, polygamij circiter 1-lJ lin. diametro ; coroUse glabrae lobi ovati vel ovato-oblongij subito acuminatij obtusiusculi. Fructus dense uncinato-setulosuSj setulis vix rigidis. South Mexico, region of Orizaba {Botteri, 838, 839, 836 ; Sumichrcist, 1933 ; Muller, 1144, 1326 ; Bourgeau, 2833, 3016), Zimapan {Coulter, 188 in part). Hb. Kew. Easily distinguished from all other Mexican species, having only four leaves in a whorl, by its long rambling stems, and relatively narrow, thin, almost obtuse leaves, scarcely rough to the touch. 14. Galium prolifei-um, A. Gr. Pi. Wright, ii. p. 67. NosTH Mexico, along the Rio Grande. 15. G-alium triflorum, Michx. Fl. Bor.-Amer. i. p. 80. Throughout North America to — Mexico \ without locality {Harris). — Also in Nokth- EASTEEN EuKOPE. Hb. Kew. 16. Galium uncinulatum, DC. Prodr. iv. p. 600. South Mexico, between Tampico and Eeal del Monte {Berlandier). 17. Galium uropetalum, Hemsley. (Tab. XLI. figg. 7-9.) Rubia acuminata, Mart, et Gal. in Bull. Acad. Brux. xi. 1^ p. 127. South Mexico, pine-forests, peak of Orizaba at 7000 feet, plain of Tehuacan, 5000 feet, Juquila, &c., Western Cordillera of Oaxaca, 4000 to 6000 feet{GaleoUi, 2631 and 2632). Hb. Kew. EXPLANATION OP TAB. XLI. Figg. 7-9. Fig. 7, portion of a plant, natural size ; 8, a leaf, and 9, a flower, enlarged. 18. Galium wrightii, A. Gray, Pi. Wright, i. p. 67. Noeth Mexico, Santa Cruz, Sonora ( Wright). Hb. Kew. 74. DIDYM^A. Didymaa, Hook. fil. in Benth. et Hook. Gen. Plant, ii. p. 150. One herbaceous species : — 1. Didymaea mexicana, Hook. fil. in Hook. Ic. 1. 1271. South Mexico, valley of Mexico {Schqffner, 177, 178; Bourgeau, 98), region of Orizaba at 10,000 feet {Lieimann, 255 ; Linden, 1403 ; Galeotti, 4405 ; Bourgeau, 3050). Hb. Kew. VALEEIANE^. 67 Order LXXII. VALERIANE.E. Valerianece, Benth. et Hook. Gen. Plant, ii. p. 151. Annual or perennial herbs, or rarely shrubby. There are nine genera, embracing about 300 species, the greater part of which inhabit the temperate and cold regions of the northern hemisphere and the Andes of South America. A few occur in Brazil, Guiana, and the West Indies ; only one, and that probably introduced, in South Africa ; in Tropical Asia they are exceedingly rare ; and none are known from Australasia. 1. PHYLLACTIS. Phyllactis, Pers. Syn. PI. i. p. 39 ; Benth. et Hook. Gen. Plant, ii. p. 153. About thirty species of herbs or dwarf shrubs inhabiting America, chiefly the Andes, from Mexico to Chili, one species occurring in South Brazil. 1. Phyllactis mezicana, Benth. et Hook. Gen. Plant, ii. p. 153. Astrephia mexicana, Hook, et Am. Bot. Beech. Voy. p. 431. South Mexico, Tepic {Barclay). Hb, Kew. 2. Phyllactis pratensis, Benth. et Hook. Gen. Plant, ii. p. 153, Astrephia pratensis, Benth. PI. Hartw. p. 39. Valeriana galeottiana, Mart, in Bull. Acad. Brux. xi. 1, p. 124 ? South Mexico, Morelia (Hartweg), at 7000 feet (GaleoUi, 2547). Hb. Kew. 2. VALEKIANA. Valeriana, Linn. Gen. n. 44 pro parte; Benth. et Hook. Gen. Plant, ii. p. 154. This genus has nearly the same geographical range as the order. One species is widely dispersed in Europe and Asia, and also occurs in South Africa, where, however, it was probably introduced, 1. Valeriana affinis, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 123, South Mexico, oak-forests of the Cerro de San Felipe, near Oaxaca, at 8000 to 9000 feet, and Juquila, Western Cordillera of Oaxaca, at 5000 to 6000 feet (Galeotti, 2555). Hb. Kew. Galeotti's n. 2555 is referred to V. tolucana in Kew herbarium. 2. Valeriana barbareaefolia, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 121, South Mexico, Eeal del Monte and Moran, at 7500 to 8500 feet (Galeotti, 2549, 2553). '^3. Valeriana candoUeana, Gardn. in Hook. Lond. Journ. Bot. iv. p. 112 ; Polak. in Linnsea, xli. p. 574. Costa Eica, Naranjo {Polakowsky). — Beazil. k2 68 VALEEIANE^, 4. Valeriana ceratophylla, H. B. K. Nov. Gen. et Sp. iii. p. 333, t. 276. South Mexico, Chapoltepec, 7000 feet (Eumboldt & Bon^land). 5. Valeriana densiflora, Benth. Pi. Hartw. p. 39. South Mexico, in pine-forests Anganguio {Hartweg). Hb. Kew. 6. Valeriana denudata, Benth. Pi. Hartw. p. 20. NoETH Mexico, Zacatecas {Hartweg). Hb. Kew. 7. Valeriana galeottiana, Mart, in Bull. Acad. Brux. xi. 1, p. 124. South Mexico, Jesus del Monte, near Morelia, 7000 feet (Galeotti, 2547). The plant bearing Galeotti's number 2547 in Kew herbarium is certainly Phyllactis pratensis, Benth. et Hook. 8. Valeriana laciniosa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 121. South Mexico, near Morelia, 6500 to 7000 feet {Galeotti, 2548). Hb. Kew. This is near, if not the same as, V. napus, Lindl. 9. Valeriana latifoHa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 124. South Mexico, fields of Antigua, near Vera Cruz [Galeotti, 2558). 10. Valeriana mexicana, DC. Prodr. iv. p. 640. South Mexico, around the city of Mexico {Berlandier). 11. Valeriana napus, Lindl. Bot. Eeg. 1840, Misc. p. 76. South Mexico {Hartweg, Coulter, 906). Hb. Kew. 12. Valeriana phaseoU, A. Br. in Linnaea, XXV. p. 299. South Mexico, near Huatusco {CJirismar). 13. Valeriana pilosiuscnla, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 122. South Mexico, Morelia de Michoacan, at 6000 feet {Galeotti, 2551). 14. Valeriana procera, H. B. K. Nov. Gen. et Sp. iii. p. 329. South Mexico, near Pazcuaro, at 6000 to 7000 feet {Humboldt & Bonpland). 15. Valeriana pulchella, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 123, South Mexico, Sierra de Yavezia, 7000 feet {Galeotti, 2560). 16. Valeriana ramosissima, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 122. South Mexico, Cerro Ventoso, between Pachuca and Real del Monte, at 8000 feet {Galeotti, 2552). ^ 17. Valeriana SCandenS, Linn. Sp. Pi. p. 47 ; DC. Prodr. iv. p. 634. Florida. — Mexico, near Jalapa, at 3000 to 4000 feet {Galeotti, 7068), Real del Monte {Coulter, 910), region of Orizaba {Bourgeau, 3203; Muller, 869 bis; Botteri, 568), Mirador {Linden, 307), valley of Cordova {Bourgeau, 1577); Nicaragua, Chontales {Tate, 422) ; Costa Rica {Endres, 79). — Southward to Peru and Brazil, and in Cuba. Hb. Kew. VALEEIANE^, 69 18. Valeriana scorpioides, DC. Prodr. iv. p. 635. North Mexico, Sierra Madre [Seemann, 2082) ; South Mexico, San Bias to Tepic {Sinclair), Cordillera of Oaxaca, at 7500 feet [Galeotti, 2074), region of Orizaba {Bourgeau, 2945 ; Muller, 173), Anganguio {Hartweg). Hb. Kew. 19. Valeriana sorbifolia, H. B. K. Nov. Gen. et Sp. iii. p. 332. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet [Parry & Palmer, 311); South Mexico, between Valladolid de Michoacan and Pazcuaro, 6000 to 7000 feet {Hvmholdt & Bonpland), Pazcuaro {Hartweg), Chiapas {Ghiesbreght, 623 in part). Hb. Kew. 20. Valeriana subincisa, Benth. Pi. Hartw. p. 39. South Mexico, Banco {Hartweg), Vera Cruz to Orizaba {Miiller, 648), valley of Mexico {Schaff'ner, 192). Hb. Kew. 21. Valeriana tolucana, DC. Prodr. iv. p. 640. . NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 312) ; South Mexico, Chiapas {Ghiesbreght, 623 in part), Santa Fe {Bourgeau, 608). Hb. Kew. 22. Valeriana nrticajfolia, H. B. K. Nov. Gen. et Sp. iii. p. 330, t. 275. South Mexico, Ario, Michoacan, 4000 to 5000 feet {Galeotti, 2554) ; Guatemala {Bernoulli, 291). — Colombia ; Peeu. Hb. Kew. 23. Valeriana vaginata, H. B. K. Nov. Gen. et Sp. iii. p. 331. South Mexico, near Eeal del Monte, 8000 to 9000 feet {Humboldt & Bonpland). 24. Valeriana, sp. Astrephia mexicana, Seem. Bot. Voy. ' Herald/ p. 297^ nee Hook, et Am. NoETH Mexico, Sierra Madre {Seemann, 2133), San Luis Potosi to Tampico {Palmer, 1071). Hb. Kew. [DlPSACE^ is a small order not represented in America ; and CALTCEEEiE, an order consisting of three genera and about twenty-five species, is peculiar to South America, chiefly extratropical, though one maritime species extends northwards to Bahia.] Order LXXIII. COMPOSITE. Compositce, Benth. et Hook. Gen. Plant, ii. p. 163. Shrubs or herbs, rarely trees, Bentham and Hooker estimate the number of species at 9800, which they refer to 766 genera; whilst some authors would raise the number of genera to 1000, and the number of species to 12,000. 70 COMPOSITE. Tribe I. VEENONIACE^. VernoniacetB, Benth. et Hook. Gen. Plant, ii. pp. 165 et 169. This tribe consists of forty genera, and is remarkable alike for the number of mono- typic genera and for the large number of species belonging to the genus Vernonia itself. It is essentially a tropical and subtropical tribe, having its greatest concentra- tion of species in South America. Few of the species are peculiar to Australia ; and the tribe is unrepresented in Europe. 1. SPAEGANOPHORUS. Sparganophorus, Vaill. in Gsertn. Fruct. ii. p. 395, t. 165 ; Benth. et Hook. Gen. Plant, ii. p. 223. One annual species : — '1. Sparganophorus vaillantii, Gsertn. Fruct. ii. p. 395, t. 165. Sparganophorus struchium, Pers. ; Jacq. Eclog. t. 131. Panama, Chagres (Fendler, 142). — Widely dispersed in Tropical South America and the West Indies, as well as in Tropical Afkica. Hb. Kew. 2. CENTEATHERUM. Centratherum, Cass, in Bull. Philom. 1817 j DC. Prodr. v. p. 70; Benth. et Hook. Gen. Plant, ii. p. 225. About six herbaceous species, two of which occur in Tropical America, and one of these is also in Australia. The others are Asiatic. V 1. Centratherum punctatum, Cass. Diet. vii. p. 384; DC. Prodr. V. p. 70. Panama, savannas about Panama (Seemann). — Venezuela; Guiana; Bkazil. Hb. Kew, 3. VEENONIA. Vernonia, Schreb. Gen. Plant, ii. p. 541 ; Benth. et Hook. Gen. Plant, ii. p. 227. A genus of nearly 400 species of herbs and half-shrubs, most numerous in the warmer parts of America, abundant in Tropical Africa, and not rare in Tropical and Subtropical Asia ; and one of the Asiatic species extends to Australia. ^ 1. Vernonia acilepis, Benth. in Vidensk. Meddel. 1852, p. 68. Nicaragua, Volcan de Masaya, 2000 feet {(Ersted, 2). Hb. Kew. 2. Vernonia alamani, DC. Prodr. v. p. 61. South Mexico, San Miguel {Liehmann, 477), oak-woods, Banco {Eartweg, 332), without localities {Bates, Parkinson) Hb. Kew. COMPOSITiE. 71 3. Vernonia angustifolia, Michx. Fl. Bor.-Am. ii. p. 94 1 North Mexico, Cerro de Pinal {Seemann, 1483) ; South Mexico, ravines of Guada- lajara, at 5000 feet (Galeotti, 2400). Hb. Kew. Typical V. angustifolia, Michx., grows in dry pine-woods from Carolina to Florida. •^4. Vernonia arborescens, Sw. Fl. ind. Occ. ii. p. 1320 ,- DC. Prodr. v. p. 48. NicABAGUA, Segovia ((Ersted), Chontales (Tate, 347) ; Guatemala, Volcan de Fuego {Salvin) % — West Indies. Hb. Kew. 5. Vernonia arctioides, Less, in Linnaea, vi. pp. 400 et 672. Biazeuxis serrata, Don in Trans. Linn. Soc. xvi. p. 254. South Mexico, Cuesta Grande de Chiconquiaco (Schiede & Beppe), Cordillera of Vera Cruz, at 3000 feet, and Zacuapan {Linden, 1159, 2300) ?. Hb. Kew. 6. Vernonia aschenborniana, Schauer in Linnsea, xix. p. 714. South Mexico, without locality (Aschenborn), Pital (Liebmann, 355). Hb. Kew. 7. Vernonia barbinervis, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 297. NoETH Mexico, Sierra Madre (Seemann, 1998). Hb. Kew. 8. Vernonia boUeana, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 297. NoETH Mexico, Sierra Madre (Seemann, 1992). Hb. Kew. i 9. Vernonia bracMata, Benth. in Vidensk. Meddel. 1852, p. 67. Costa Elca, Aguacate, 2000 feet, Naranjo, 6000 feet ((Ersted, 6). Hb. Kew. \ 10. Vernonia bullata, Benth. in Vidensk. Meddel. 1852, p. 67. Nicaragua, Cartago, 5000 feet ((Ersted). 11. Vernonia canescens, H. B. K. Nov. Gen. et Sp. iv. p. 35, t. 317. Panama, Chagres (Fendler, 160), near the city of Panama (Seemann, 435). — Peeu. Hb. Kew. 12. Vernonia cordata, H. B. K. Nov. Gen. et Sp. iv. p. 39. South Mexico, near the town of Tasco, at 5500 feet (Humboldt & Bonpland). 13. Vernonia corymbiformis, DC. Prodr. v. p. 62. Mexico (KarwinsJci). N 14. Vernonia deppeana, Less, in Linnsea, vi. pp. 398 et 655. South Mexico, Vera Cruz (Linden, 1226), valley of Cordova (Bourgeau, 1972, 1973), Orizaba (Bourgeau, 1085, 1087), Matlaluca (Liebmann, 361), Chiapas (Lindm, 429) ; Guatemala, in the valley of Guatemala (Hartweg)i. Costa Rica, Volcan de Irazu ((Ersted, 7). Hb. Kew. 15. Vernonia ehrenbergiana, Schz. Bip. in Linnaea, xx. p. 513. South Mexico, Barranca, near Los Eeyes (Ehreriberg, 710). 72 COMPOSITE. 16. Vernonia foliosa, Schz. Bip. in Pollichia, 1861, p. 161. Monosis foliosa, Benth. PI. Hartw. p. 19. South Mexico, Bolanos {Hartweg, 133). Hb. Kew. This should perhaps include both V. steetzii and V. salicifoUa, Schz. Bip. 17. Vernonia fragrans, La Llav. et Lex. Nov. Veg. Descr. i. p. 24 ; DC. Prodr. V. p. 64. South Mexico, near San Jose del Corral. 18. Vernonia hypoleuca, DC. Prodr. v. p. 27. Mexico (Rcenke). 19. Vernonia inuloides, DC. Prodr. v. p. 62. Mexico {Karwinski). 20. Vernonia karwinskiana, DC. Prodr. v. p. 62. Mexico (Karwinski). ^1. Vernonia lanceolaris, DC. Prodr. v. p. 37. South Mexico, Yucatan and Tabasco (Johnson, 16, 20) ; Guatemala. (FriedricJisthal) ; Nicaragua, Eealejo (Sinclair) ; Costa Eica, Cartago ((Ersted) • Panama, Chagres (Fendler, 150), cleared places (S. Hayes, 484). — Colombia; Peeu. Hb. Kew. 22. Vernonia leiboldiana, Schl. in Linnsea, xix. p. 742. Leiboldia ovata, Schl. loc. cit. South Mexico, San Augustin (Liebmann, 671), valley of Orizaba (Bourgeau, 3420 ; Botteri, 1079). Hb. Kew. 23. Vernonia leiocarpa, DC. Prodr. v. p. 34. South Mexico, oak-district near Vera Cruz, at 2800 feet (Galeotti, 2324), Mirador (Liebmann, 1), Vera Cruz (Linden, 1209). Hb. Kew. 24. Vernonia liatroides, DC. Prodr. v. p. 34. South Mexico, between Tula and Tampico (Berlandier), San Luis to Tampico (Palmer, 1081). Hb. Kew. 25. Vernonia mezicana, Less, in Linnsea, vi. p. 680. South Mexico, Cuesta Grande de Chiconquiaco (Schiede). 26. Vernonia monosis, Schz. Bip. in Linnsea, xx. p. 507. Monosis? tomentosa, DC. Prodr. y. p. 77. Turpinia ? tomentosa, La Llav. et Lex. Nov. Veg. Descr. i. p. 24. Fulcaldea? tomentosa. Less. inLiimseaj v. p. 248. South Mexico, near Vallisoletum (La Llave). Specimens in Kew herbarium (e.g. Liebmann's 51) referred to this species by Schultz Bipontinus are undoubtedly the same as the type specimens of V. paniculata, DC. /, COMPOSITE. 73 27. Vernonia odoratissima, H. B. K. Nov. Gen. et Sp. iv. p. 32 ? NiCABAGUA {Tate, 140). Hb. Kew. The typical plant grows in Venezuela and Colombia. 28. Vernonia pallens, Schz. Bip. in Pollichia, 1861, p. 161. Mexico [Henri de Bur en). 29. Vernonia paniculata, DC. Prodr. v. p. 23. South Mexico, San Dionisio, Oaxaca {Andrieux, 270), Equitla (Liebmann, 51). Hb. Kew. This should include V. monosis, Schz. Bip., if not Monosis tomentosa, DC. ^0. Vernonia patens, H. B. K. Nov. Gen. et Sp. iv. p. 41 ; Steetz in Seem. Bot. Voy. ' Herald,' p. 139. Paj^ama, savannas about Panama [Seemann). — South America. ^1. Vernonia poeppigiana, DC. Prodr. v. p. 20, nee p. 55 % South Mexico, Mirador [lAehmann, 352), valley of Cordova {Bourgeau, 1850), Cordillera of Yera Cruz, at 3000 feet {Galeotti, 2298), Vera Cruz [Linden, 1211); NicAEAGUA, Chontales [Tate, 407), Segovia [(Ersted). — Peru. Hb. Kew. Schultz Bipontinus, on Liebmann 's labels, refers this species to V. geminijlora, Poepp., which does not appear to be a published name. Buek, in his Index to volumes iii. to V. of the Prodromus, p. v, proposes changing DeCandoUe's V. foeppigiana (Prod. v. p. 55, nee p. 20) into V. argyropappa. 32. Vernonia punctata, Sw. ex Griseb. Fl. Brit. W. Ind. p. 353. British Honduras [Temple). — West Indies. Hb. Kew. 33. Vernonia rubricanlis, Humb. et Boupl. Pi. ^quin. ii. p. 66, t. 99. Mexico [ex Schultz Bipontinus). — Colombia. 34. Vernonia Salicifolia, Schz. Bip. in Linnsea, XX. p. 507. Monosis salicifolia, DC. Prodr. v. p. 77. South Mexico, mountains of Cuernavaca [Berlandier), region of Orizaba [Miiller, 860 ; Botteri, 1128). Hb. Kew. This should, perhaps, include V. foliosa and V. steetzii, Schz. Bip. / 35. Vernonia salvinae, Hemsley, n. sp. (Tab. XLI*.) AfF. V. alamani, foliis elongatis mxdto longioribus subtus strigilloso-liirsutis, capitulis maximis subsolitariis, involucri bracteis scariosis, exterioribus angustis, intermediis late ovatis, interiori- bus angustis, corollis elongatis, achseniis tetragonis fere vel omnino eglandulosis. Herba vel frutex, novellis ferrugineo-tomentosis, ramis crassiusculis. Folia alterna, petiolata, membranacea, lanceolato-oblonga, usque ad 9-pollicaria, ealloso-serrata, utrinque attenuata, apice acutiuseula, supra secus costam puberula, caeterum glabra, subtus strigilloso-hirsuta. Capitula subsolitaria, pedunculis quam folia multo brevioribus ; involucri bractese scariosae, acutse vel mucronatse, laxse^ parte intecta puberulse, exteriores lineares, breves, intermedise late ovatse, interiores lineari-oblongse, apice tantum coloratse ; receptaculum convexum ; corollse BIOL cent-amee., Bot. Vol. n., April 1881. I 74 COMPOSITE. parce glandulossBj elongatse, alte S-fidse; antherse basi sagittatie. Achenia tetragona, ob- pyramidataj fere vel omnino eglanduiosa. Guatemala, Las Nubes, Cerro de Zunil, 4350 feet (Salvin). Hb. Kew. EXPLANATION OF TAB. XLI*. Fig. 1, portion of a receptacle ; 2, a palet ; 3^ a flower ; 4, a bristle of the pappus ; 5, a stamen ; 6, upper portion of a style; 7, an achene : all enlarged. 36. Vernonia SCabra, Pers. Ench. ii. p. 44 ; DC. Prodr. V. p. 39 ] South Mexico, Desierto Viejo [Bourgeau, 1229). — Beazil. Hb. Kew. 37. Vernonia SChiedeana, Less, in Linnaea, vi. p. 399. South Mexico, Papantla and Misantla {Schiede), Colipa {Liehmann, 364), near Tantoyuca {Ervendberg, 51), skirting woods near Jalapa, at 3000 feet (Galeotti, 2305), Mirador {Liehmann, 363; Linden, 1167), Sierra de San Pedro Nolasco (Jurgensen), Yucatan and Tabasco (Johnson, 15). Hb. Kew. V 38. Vernonia seemanniana, Steetz in Seem, Bot. Voy. 'Herald,' p. 139. Panama, Boquete {Seemann, 1589 ; Bridges). Hb. Kew. 39. Vernonia serratuloides, H. B. K. Nov. Gen. et Sp. iv. p. 33, t. 316. South Mexico, Valladolid, Michoacan {Humboldt & Bonpland), Leon {Mendez). 40. Vernonia Sinclairii, Benth. Bot. Voy. ' Sulphur,' p. 109. South Mexico, San Bias to Tepic {Sinclair). Hb. Kew. 41. Vernonia Steetzii, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 297. NoKTH Mexico, Sierra Madre {Seemann, 1997 in part). Hb. Kew. Var. CoUilepis, Schz. Bip. loc. cit. NoETH Mexico, Sierra Madre {Seemann, 1997 in part). Hb. Kew. See remarks under V. salicifolia and V. foliosa. 42. Vernonia Stellaris, La Llav. et Lex. Nov. Veg. Descr. i. p. 23. South Mexico, San Jose del Corral {La Llave). 43. Vernonia tarchonanthifolia, Schz. Bip. in Linnsea, xx. p. 507. Monosis tarchonanthifolia, DC. Prodr. v. p. 77. Mexico {Karwinski). 44. Vernonia toluccana, DC. Prodr. v. p. 30. South Mexico, around Toluca {Andrieux, 273), without locality {Christy). Hb. Kew. 45. Vernonia triantha, Schauer in Linnsea, xix. p. 714. South Mexico, Zimapan {Aschenborn). 46. Vernonia triilosculosa, H. B. K. Nov. Gen. et Sp. iv. p. 40. South Mexico, Acaguitsola and Vera Cruz, at 3000 feet {Humboldt & Bonpland). COMPOSITE, 75 47. Vernonia uniflora, Schz. Bip. in Linnaea, XX. p. 506. Mexico {Aschenborn). As. Vernonia, sp. (aff. V. virentis, Schz. Bip.). Guatemala (Friedrichsthal). Hb. Kew. 1/ 49. Vernonia, sp. (aff. V. arhorescentis, Sw.). ^Guatemala, Volcan de Fuego, 6500 feet (Salvin). Hb. Kew. 1/50. Vernonia, sp. Pastama, Empire railway-station (S. Hayes, 481). Hb. Kew. /51. Vernonia, sp. Guatemala, Duenas [Fraser, 7). Hb. Kew. 52. Vernonia, sp. (F. angustifoUa, varJ). North Mexico, Cerro de Pinal {Seemann, 1483). Hb. Kew. 4. PIPTOCARPHA. Piptocarpha, R. Br. in Trans. Linn. Soc. xii. p. 121 ; Benth. et Hook. Gen. Plant, ii. p. 231. Carphobolus, Schott in Spreng. Syst. Cur. Post. p. 409. A Tropical-American (chiefly Brazilian) genus, consisting of about twenty-five shrubby species. ^1. Piptocarpha Chontalensis, Baker in Mart. Fl. Bras. fasc. Ixii. p. 132. NiCAEAGUA, Chontales {Seemann, 110 ; Tate, 428). Hb. Kew. 5. BOLANOSA. Bolanosa, A. Gr. PL "Wright, i. p. 82 ; Benth. et Hook. Gen. Plant, ii. p. 232. One shrubby species. 1. Bolanosa COUlteri, A. Gr. Pi. Wright, i. p. 82. South Mexico, Bolanos {Coulter, 238). Hb. Kew. 6. OLIGANTHES. OUganthes, Cass. Diet, xxxvi. p. 18; Benth. et Hook. Gen. Plant, ii. p. 233. An exclusively Tropical-American genus of about eight species, extending from Mexipo to Colombia, Guiana, and BrazU. rl. OligantheS discolor, Schz. Bip. in Linnaea, xx. p. 502. Dialesta discolor, H. B. K. Nov. Gen. et Sp. iv. p. 44, t. 320. Panama, Volcan de Chiriqui {Seemann, 1585). — Colombia. Hb. Kew. 2. Oliganthes karwinskii, Schz. Bip. in Linnaea, XX. p. 505. South Mexico, Capalalpan {Karwinshi). 12 76 COMPOSITE. 3. Oliganthes OXylepis, Benth. et Hook. Gen. Plant, ii. p. 233. South Mexico, Yucatan and Tabasco {Johnson, 21). Hb. Kew. 7. ELEPHANTOPUS. Elephantopus, Linn. Gen. Plant, n. 237 ; Benth. et Hook. Gen. Plant, ii. p. 237. Perennial herbs. A dozen or more species widely dispersed in tropical regions. ^1. Elephantopus angUStifolius, Sw. Prodr. Fl. Ind. Occ. p. 115 ; Griseb. Fl. Brit. W. Ind. p. 355. Elephantosis angustifolia, DC. Prodr. v. p. 87. South Mexico, Mirador {Liehmann. 292) ; Nioabagua, Granada {(Ersted) ; Panama, in pastures among shrubs (Seemann, 60). — General in Tropical South America and the West Indies. Hb. Kew. V 2. Elephantopus spicatus, B. Juss. in Aubl. Pi. Guian. p. 808. Distreptus spicatus, Cass, et Less., ex DC. Prodr. v. p. 87. Matamoria spicata, La Llav. et Lex. Nov. Veg. Descr. i. p. 8. South Mexico, Mirador {Linden, 1176), near Vera Cruz, at 2000 feet {Galeotti, 2220), valley of Cordova {Bourgeau, 1638), Orizaba {Botteri, 1151) ; Guatemala {Friedrichsthal) ; Nicaeagua, Chontales {Tate, 300) ; Costa Eica {JEndres) ; Panama, Chagres {Fendler, 175). — And northern part of South Ameeica and the West Inbies. Hb. Kew. 3. Elephantopus SCaber, Linn. Sp. PL p. 1313 ,- DC. Prodr. V. p. 86 ; Baker in Mart. Fl. Bras. fasc. Ixii. p. 173. Elephantopus tomentosus, Lian. Sp. PI. p. 1314. Elephantopus martii, Grah. in Edinb. New Phil. Journ. 1830, p. 2. Elephantopus mollis, H. B. K. Nov. Gen. et Sp. iv. p. 26. Elephantopus caroliniamts, Willd. Sp. PL iii. p. 2390. A variable species, common and widely dispersed in Teopical and Subteopical Ameeica, as well as in the Old Woeld. Hb. Kew. 8. KOLANDKA. Rolandra, Rottb. in Soc. Med. Havu. Collect, ii. p. 256 ; Benth. et Hook. Gen. Plant, ii. p. 237. Only one shrubby or subshrubby species known : — Vi. Eolandra argentea, Rottb. CoU. Havn. ii. p. 256, ex DC. Prodr. V. p. 90; Sw. Fl. Ind. Occ. p. 1388, t. 27. Panama, Chagres {Fendler, 143). — Guiana, Beazil, and West Indies. Hb. Kew. COMPOSITiE. 77 9. SPIEACANTHA. Spiracantha, H. B. K. Nov. Gen. et Sp. iv. p. 28; Benth. et Hook. Gen. Plant, ii. p. 237. A shrubby monotype. ^1. Spiracantha cornifolia, H. B. K. Nov. Gen. et Sp. iv. p. 28, t. 313. Guatemala (Friedrichsthal). — Venezuela. Hb. Kew. Tribe II. EUPATORIACE^. EupatoriacecB, Benth. et Hook. Gen. Plant, ii. pp. 165 et 171. Thirty-four genera are referred to this tribe ; and several of them are very numerous in species, especially JEupatorium. A very large proportion of the genera are peculiar to America, as vpell as the majority of the species of the genera having a wider range. 10. PIQUERIA. Piqueria, Cav. Ic. iii. p. 18, t. 25 ; Benth. et Hook. Gen. Plant, ii. p. 238. About twelve shrubby and herbaceous species in Tropical America, from Mexico to Bolivia. 1. Piqueria pilosa, H. B. K. Nov. Gen. et Sp. iv. p. 153. South Mexico, Desierto Viejo {Bourgeau, 824, 825), Tacubaya [Schaffner), between Capula and Pazcuaro, at 6600 feet {Humboldt & Bonpland). Hb. Kew. 2. Piqueria Serrata, A. Gr. in Proc. Am. Acad. XV. p. 25. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 496). Hb. Kew. 3. Piqueria triflora, Hemsley, n. sp. Foliis anguste lanceolatis obtusis basi cuneatis primum utrinque pubescentibus, capitulis trifloris, involucri bracteis 3 extus omnino hirsutis, coroUae tubo extus viUoso, acheniis clavatis 5-costatis basi attenuatis callosis. Herba erecta, 2— 3-pedalis, et forsan ultra, ramosa, ramis pilosulis, striatis. Folia omnia opposita, anguste lanceolata, 2-5-pollicaria, apice obtusa, basi in petiolum brevem attenuata, remote calloso-denticulata, trinervia, utrinque plus minusve pilosula vel pubescentia. Capitula raeemoso-corymboso-cymosa, triflora ; involucri bractese 3, extus omnino hirsutse, ellipticse, obscure trinervise, mucronatse ; coroUse tubus extus viUosus, basi fimbriatus, lobis parum brevior. Achenia nigra, glabra, clavata, 5-costata, deorsum attenuata, basi callosa, caUo parvo vix obUqao. North Mexico, Cerro de Pinal (Seemann, 1478). Hb. Kew. "We find no mention of this plant in Seemann's Botany of the Voyage of the ' Herald ' ; but there is ample material of it in Kew herbarium. It differs from P. trinervia and P. pilosa in its flower-heads containing only three flowers in an involucre of three bracts, and in the latter being hairy on the back, as well as in other details. From P. serrata it differs in its hairiness, foliage, and achenes. 78 COMPOSITJE. 4. Piqueria trinervia, Cav. Ic. iii. p. 19, t. 235 ; Bot. Mag. t. 2650. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Farry & Palmer, 314) ; South Mexico, Real del Monte {Coulter, 721), Cerro de Banos {Bourgeau, 144), Yavesia (Liebmann, 110), cultivated fields near Mexico {Bourgeau, J.402), San Bias to Tepic {Sinclair), Zimapan to Real del Monte {Coulter, 263), Tacubaya {Bilimek, 578), without localities {Tate, Graham, SalU). Hb. Kew. 11. PHANIA. Phania, DC. Prodr. v. p. 114; Benth. et Hook. Gen. Plant, ii. p. 338. Three West- Indian species, and the following doubtful one : — 1. Phania trinervia, DC. Prodr. v. p. 115 ; Caiques des Dess. Fl. Mex. 527. Mexico {Mogino & Sesse). Possibly the same as Ageratum arhutifolium. 12. DECACHiETA. DecachcBta, DC. Prodr. v. p. 133 ; Benth. et Hook. Gen. Plant, ii. p. 238. Limited to the Mexican species, which are undershrubs. 1. Decachaeta hsenkeana, DC. Prodr. v. p. 133 ; Deless. Ic. Sel. iv. t. 13. South Mexico, Gualulu, San Miguel {Liebmann, 47), Tepic {Barclay). Hb. Kew. 2. Decachseta Seemannii, Benth. et Hook. Gen. Plant, ii. p. 239 ; Hemsley, Diag. PL Nov. pars altera, p. 33. (Tab. XLII.) Ageratum microphyllum, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 298. Suffruticosa, ramosa^ ramis gracilibus junioribus pnberulis, foliis parvis obovato-spathulatis vel interdum fere ovatis inciso-crenatis^ capitulis 6-12-floris, involucri bracteis obtnsis, pappi paleis 5 longe aristatis. Frutex nana, ramosa, ramis teretibus, gracilibus, junioribus puberulis. Folia opposita vel superiora altema, petiolata, herbacea, ovata usque obovato-spathulata vel fere rotundata, 3-6 lin. longa, puberula, venis subtus ssepe prominentibus, petiolo brevissimo. Capitula 6-12-flora, sessilia vel breviter pedunculata, secus pedunculos communes terminales elongates disposita ; involucri bractese oblongse, obtusiusculse, glabrae; pappi paleae saepissime 5, longe barbato-aristatse, ac corolla sequilongae. Achenia glabra, 5-costata. NoETH Mexico, Cerro de Pinal and Sierra Madre {Seemann, 1467, 2043). Hb. Kew. It was not until after the plate had been printed off that we discovered Schultz had already described this plant under the name of Ageratum microphyllum. We had overlooked this in consequence of a memorandum in Kew herbarium to the effect that the plant was not mentioned in the Botany of the 'Herald.' By a slip in the ' Genera Plantarum,' the pappus is described as consisting of ten instead of five pales. EXPLANATION OF TAB. XLII. Pig. 1, a flower-head ; 2, ovary, with pappus removed and corolla laid open ; 3, a complete flower ; 4, a stamen ; 5, a style ; 6, a pale of the pappus : all enlarged. COMPOSITiE. 79 13. OPHRYOSPOEUS. Ophryosporus, Meyen, Reise, i. p. 402 ; Benth. et Hook. Gen. Plant, ii. p 339. Seven shrubby species, extending from Mexico to Chili and Brazil. 1. Ophryosporus OVatifolius, Benth. et Hook. Gen. Plant, ii. p. 239. Nothites ovatifolia, DC. Prodr. v. p. 187. Mexico {Hcenke, Seemann). Hb. Kew. 14. GYMNOCORONIS. Gymnocoronis, DC. Prodr. v. p. 106 ; Benth. et Hook. Gen. Plant, ii. p. 339. Herbaceous plants. Besides the Mexican species there is one in South America, extending from Bolivia to Bonaria and Monte Video, 1. GrymnOCOronis latifolia, Hook, et Am. Bot. Beech. Voy. p. 296. South Mexico, Jalisco (Beeches/). Hb. Kew. 15. ADENOSTEMMA. Adenostemma, Forst. Char. Gen. p. 89, t. 45 ; Benth. et Hook. Gen. Plant, ii. p. 339. Glandular herbs. About thirty species have been described ; but Bentham and Hooker think they might be reduced to five. One is very widely dispersed in warm countries ; and the others are restricted to the warmer parts of America. |/l. Adenostemma hirtiflorum, Benth. Pi. Hartw. p. 75. Guatemala, Rancho de Santa Rita, near Quezaltenango [Hartweg, 531). Hb. Kew. 16. ALOMIA. Alomia, H. B. K. Nov. Gen. et Sp. iv. p. 151 ; Benth. et Hook. Gen. Plant, ii. p. 340, About eight species of herbs and undershrubs, one of which is a native of the Pacific Islands, two of Mexico, and the rest of Brazil. 1. Alomia ageratoides, H. B. K. Nov. Gen. et Sp. iv. p. 152, t. 354. Phalacraa lindeni, Schz. Bip. ex Benth. et Hook. Gen. Plant, ii. p. 340. South Mexico, near Mescala, 1600 to 1700 feet (Humboldt & JBonpland), Matlahua [lAebmann, 84). Hb. Kew. 2. Alomia alata, Hemsley, n. sp. Gracilis, glanduloso-pilosula, fohis tenuissimis cordatis longe petiolatis, petiolo anguste alato, involucri bracteis 3-seriatis apice aristulatis, coroUis cylindricis, acheniis basi callosis apice disco carnoso persistente instructis, pappo nullo. Herba erecta, gracilis, ramosa, ramulis teretibus foliisque glanduloso-pilosulis. Folia opposita vel superiora alterna, longe petiolata, tenuissima, cordata, 1-4-pollicaria, acuta, grosse crenataj petiolus anguste alatus. Capitula parva, corymboso-paniculata ; involucri bracteae 3-seriatae, glahrescentes, lineares, apice aristulatse, exteriores brevLores ; recap taculum nudum, leviter 80 COMPOSITE, convexum ; corollae parcissime glandulosse, omnes tubulossBj cylindricsBj lobis brevissimis ; antherae mclusBBj appendiculatse (in speciminibus nostris vacuse) ; styli rami longe exserti. Achenia subobliqua, 4-5-costataj nigral parcissime glandulosa^ basi callosa^ apice disco camoso coronata. South Mexico, Cuernavaca {Bourgeau, 1216 ; BilimeJc, 579). Hb. Kew. This species differs from A. ageratoides, H. B. K., in its foliage, shorter involucral bracts, longer corollas, and flat receptacle. All the anthers we examined were quite empty. 17. TEICHOCOEONIS. Trichocoronis, A. Gray, PI. Fendl. p. 65 ; Benth. et Hook. Gen. Plant, ii. p. 240. Two herbaceous species. 1. Trichocoronis greggii, A. Gray, PI. Wright, i. p. 89. Mexico, between Mexico and Mazatlan (Gregg). 2. Trichocoronis rivularis, A. Gray, PL Fendl. p. 65. New Mexico, Texas. — Nokth Mexico, Monterey {Berlandier, JEaton & Edwards, Gregg), Cerralvo [Gregg), San Luis to Tampico [Palmer, 1091). Hb. Kew. 18. ASCHENBORNIA. Aschenbornia, Schauer in Linnaea^ xix. p. 716 ; Benth. et Hook. Gen. Plant, ii. p. 241. A monotypic shrub, 1. Aschenbornia heteropoda, Schauer in Linnsea, xix. p. 716. NoETH Mexico, Tacubaya [Aschenborn). 19. AGEEATUM. Ageratum, Linn. Gen. Plant, n. 936; Benth. et Hook. Gen. Plant, ii. p. 241. About twenty-four herbaceous and shrubby species inhabiting Tropical and Sub- tropical America, and one of them widely dispersed in warm countries of the Old World. 1. Ageratum adscendens, Schz. Bip. MSS. in Hb. Kew. Perenne, decumbens, glanduloso-pilosum, ramis floriferis paucifoliatis adscendentibus, foliis oblongo- obovatis usque orbicularibus crenatis, capitulis mediocribus panels cymosis, involucri bracteis ad 12 biseriatis lineari-oblongis acutis herbaceis glanduloso-pilosis, receptaculo nudo, coroUa glabra infundibuliformi, acheniis elongatis hispidulis, pappi paleis 5 brevibus fimbriatis. Herba perennis, decumbens, omnino piloso-glandulosa, ramis floriferis paucifoliatis, adscendentibus semi- usque sesquipedalibus. Folia oblongo-obovata usque orbicularia, inferiora eonferta distincte petiolata, superiora distantia, sessilia, 1-3-pollicaria, crenata, demum glabrescentia. Capitula ad 25-flora, 3 lineas et ultra diametro, pauca, cymosa ; involucri bractese ad 12 sub- biseriatas, lineari-oblongae, acutse, herbacese, glanduloso-pilosae ; receptaculum parvum, nudum planum ; corolla glabra, infundibuliformis, infra medium angusta. Achenia elongata, hispi- dula, recta, 5-angulata ; pappi palese 5, breves, fimbriatse. COMPOSITE, 81 South Mexico, Peak of Orizaba, ,10,000 to 11,500 feet (Galeotti, 2160 ; Linden, 489 ; Liehmann, 214), alpine region of the Desierto Viejo {Bourgeau, 839). Hb. Kew. The decumbent habit and ascending almost leafless flowering-stems readily distinguish this from all other species. 2. Ageratum albidum, Hemsley. Ccelestina albida, DC. Prodr. v. p. 107. South Mexico, between Oaxaca and Mitla {Andrieux, 548). Hb. Kew. 3. Ageratum arbutifolium, H. B. K. Nov. Gen. et Sp. iv. p. 149. Phania arbutifolia, DC. Prodr. v. p. 115. South Mexico, Nauhcampatepetl or Cofre de Perote, 10,200 feet {Humboldt & Bon- pland), Popocatepetl, 11,000 feet(Galeotti, 2380), Peak of Orizaba, 9000 to 12,500 feet (Linden, 1121 ; Galeotti, 2159 ; Liebmann, 21S). Hb. Kew. 4. Ageratum brachystephanum, Kegel, Gartenflora, ii. p. 245, t. 108. fig. c ; Steetz in Peters's Eeise n. Mossambique, p. 373, in adnot. Ageratum mexicanum, Sweet, Brit. Fl. Card. i. t. 89, nee Sims, ex Steetz, loc. cit. Mexico (ex Sweet). — Venezuela ; San Domibtgo. We have followed Steetz in retaining this as a distinct species, though we suspect that this, as well as A. mexicanum, Sims, are not more than varieties, at most, of A. conyzoides. 1/5. Ageratum conyzoides, Linn. Sp. Pi. p. 1175 ; DC. Prodr. V. p. 108 ; Steetz in Peters's Mossambique, p. 368 ; Hook. Exot. Fl. t. 15 '? South Mexico, Mirador and Antigua [Liehmann, 148, 149), valley of Cordova {Bourgeau, 1557), Vera Cruz {Linden, 468, 1210), Orizaba {Galeotti, 2222; Bourgeau, 2684) ; Guatemala, Chojoja, Mazaltenango {Bernoulli, 476) ; Nicaragua, Chontales {Seemann, 99). — A common weed in nearly all Warm Countries. Hb. Kew. This should perhaps include A. brachystephanum and A. mexicanum. ^ 6. Ageratum COrymbosum, Zuccag., ex Pers. Syn. ii. p. 402, nee Benth. Ageratum cmlestinum, Sims^ Bot. Mag. t. 1730. Sparganophorus ageratoides, Lag. Elench. Hort. Matr. 1815, p. 25. Ccelestina ageratoides, H. B. K. Nov. Gen. et Sp. iv. p. 151. Caelestina corymbosa, DC. Prodr. v. p. 108. Ccelestina lessingiana, Kl., ex Walp. Rep. ii. p. 545 ? North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 315, 317, 318) ; South Mexico, Eeal del Monte {Coulter, 247 in part), valley of Mexico {Bourgeau, 719 ; Schaffner, 286), without localities {Parkinson, Tate, Bates, Graham) ; Guatemala, Barranca del Incarnacion {Skinner). Hb. Kew. 7. Ageratum echioides, Hemsley. Isocarpha echioides, Less, in Linnsea, v. p. 141, t. 2. figg. 14-16 ; DC. Prodr. v. p. 107. South Mexico, near Hacienda de la Laguna {Schiede & Beppe), Mirador {Linden, BIOL, cent.-amee., Bot. Vol. II., April 1881. m 82 COMPOSITE. 1156 ; Liebmann, 143, 144), Jalapa, at 3000 feet (Galeofti, 2200), Orizaba (Muller, 1129 ; Bourgeau, 3207, 2893 ; Salle). Hb. Kew. 8. Ageratum glanduliferum, Schz. Bip. MSS. in Hb. Kew. Herbaceum vel fruticosum, glanduloso-villosum, foliis sessilibus vel subsessilibus ovato-oblongis crenatisj capitulis multifloris ad apices ramulorum cymosis, involucri bracteis latis biseriatis exterioribus villosis et pluricostatis, receptaculo nudo plano^ corolla infundibuliformi pauci- glandulosa, acbeniis immaturis hispidulis, pappi paleis 5 brevibus fimbriatis. Frutex (vel herba suffrutescens) fere omnino dense longeque glanduloso-villosus, rainis teretibus. Folia omnia opposita^ sessilia vel subsessilia, ovato-oblonga, ^3-pollicaria, crenata. Capitula multiflora, pauca, ad apices ramulorum conferta ; involucri bractese latae^ subbiseriatse^ exteriores villosEe, pluricostatse ; receptaculum nudum, planum; corolla sparse glandulosa, infundibuli- formis, infra medium angustissima. Achenia immatura bispidula^ 5-angulata ; pappi palese 5, breves, fimbriatae. South Mexico, Sempoaltepec (Liebmann, 238). Hb. Kew. There is also a specimen in Kew herbarium labelled " Venezuela &c." (Fendler, 1155). 9. Ageratum isocarphoides, DC. Prodr. v. p. 107. Mexico (Hcenke). ]/10. Ageratum latifolium, Hemsley, nee Cav. Ccelestina latifolia, Bentb. in Vidensk. Meddel. 1852, p. 72. Guatemala, base of Volcan de Fuego {Salvin & Godman) ; Costa Eioa, Aguacate {(Ersted, 251, 253). Hb. Kew. 11. Ageratum mexicanum, Sims, Bot. Mag. t. 2524, nee Sweet, ex Steetz in Peters's Mossambique, p. 372, in adnot. South Mexico, near Jalapa (Schiede). ^12. Ageratum microcarpum, Hemsley. Ccelestina microcarpa, Benth. in Vidensk. Meddel. 1852, p. 72. Costa Eica, Cartage {(Ersted, 241, 247, 248). Hb. Kew. 13. Ageratum microcephalum, Hemsley, n. sp. (Tab. XLIII. figg. 1-5.) Annuum, ramis elongatis teretibus, foliis omnibus oppositis lanceolatis supra scabridis subtus den- sissime et minutissime glandulosis (nee hirsutis), capitulis minimis dense cymoso-corymbosis involucri bracteis angustis acutis rigidis pluriseriatis, receptactdo paleis paucissimis instructo' corolla subcylindrica glandulosa, acbeniis glabris, pappo brevissimo coroniformi rntegro. Herba annua, floribus albis (fide Galeotti), ramis teretibus, elongatis, graciliusculis, rectis rigidis sublignosis, puberulis, purpureo-striatis. Folia omnia opposita, breviter petiolata, lanceolata' 2^5-pollicaria, remotiuscule calloso-denticulata, utrinque gradatim attenuata, apice obtu- siuscula, supra scabrida, subtus glandulis flavis minutis densissime instructa. Capitula minima (l-l^ lin. diametro), numerosa, creberrime cymoso-corymbosa ; involucri bractese puberulse, angustae, acutse, rigidse, pluriseriatse j receptaculum fere planum, paleis paucissimis linearibus quam flores brevioribus instructum; corolla subcylindrica, extus glandulosa lobi brevi. Achenia glabra, alba, 5-angulata, ssepissime obliqua; pappus brevissimus, coroniformis integer. ' COMPOSITE. 83 South Mexico, fields and woods, at 7000 feet, in the Cordillera of Oaxaca {Galeotti, 2098). Hb. Kew. The very small flower-heads constitute the most striking character of this species. EXPLANATION OP TAB. XLIII. Figg. 1-5. Fig. \, portion of plant, natural size ; 2, a flower-head ; 3, a floret ; 4, style ; 5, anther : all enlarged. 14. Ageratum paleaceum, Hemsley. Ccelestina paleacea, Gray, ex DC. Prodr. v. p. 107. South Mexico, around Oaxaca {Andrieux, 287). Hb. Kew. t* 15. Ageratum petiolatum, Hemsley. Ccelestina petiolata, Hook, et Am. Bot. Beech. Voy. p. 433. Nicaragua, Eealejo [Sinclair). Hb. Kew. 16. Ageratum salicifolium, Hemsley, n. sp. Glabrescens, ramis gracilibus, foliis anguste lanceolatis longe acuminatis integris vel remote den- tatis, capitulis multifloris corymbosis, involueri bracteis numerosis angustis acutis rigidis 2-3- seriatis, receptaculo nudo leviter conico, corolla subcylindrica puberula, acheniis glabris saepissime 4-angalatis basi oblique callosis, pappo brevi cupulato irregulariter 4-5-dentato. Suffrutex (vel herba basi lignosa) cito glabrescens, ramis gracilibus, striatulis. Folia omnia opposita, breviter vel longiuscule petiolata, anguste lanceolata, 2-4-pollicaria, longe acuminata, vix acuta, basi cuneata, Integra vel remote dentata. Capitula multiflora, pauca, corymbosa j involueri bractese numerosae, 2-3-seriat8e, pilosse, angustse, acutse, rigidse ; receptaculum nudum, leviter conicum; corolla cylindrica, puberula. ^cAewia glabra, saepissime 4-angulata; pappus brevis, cupulatus, irregulariter 4-5-dentatus. — Ccelestina corymbosa, Benth. Bot. Voy. ' Sulphur,' p. Ill, pro parte, nee DC. South Mexico, San Bias to Tepic {Sinclair). Hb. Kew. 17. Ageratum scabriusculum, Hemsley. Ccelestina scabriuscula, Benth. in Vidensk. Meddel. 1852, p. 72. Ccelestina corymbosa, Benth. Bot. Voy. ' Sulphur,' p. Ill, pro parte. South Mexico, San Bias to Tepic {Sinclair) ; Guatemala {Priedrichsthal) -, Costa EicA {(Ersted). Hb. Kew. 18. Ageratum sessilifolium, Schauer in Linnsea, xix. p. 715. Mexico {Aschenborn). 19. Ageratum Strictum, Hemsley, n. sp. Annuum, erectum, strictum, caulibus gracilibus, internodiis longis, foliis lanceolatis calloso-denti- culatis supra scabridis subtus glandulis minutis creberrimjg instructis, capitulis mediocribus multifloris corymbosis, involueri bracteis numerosis linearibus acutis rigidis, receptaculo nudo leviter conico, corolla subcylindrica puberula simul parce glandulosa, acheniis glabris saepissime 4-angulatis, pappo brevi cupulato 4-5-dentato. Herba annua, floribus caeruleo-violaceis (fide Galeotti), caulibus erectis, gracilibus, puberulis, pur- pureis, internodiis elongatis. Folia omnia opposita, breviter petiolata, lanceolata, 1^2-polli- m 2 84 COMPOSITE. caria^ utrinque attenuata, apice vix acuta, margine calloso-denticulata, supra scabrida, subtus puberula, simul glandulis minutis rufis creberrime instructa. Capitula mediocria, multiflora, pauca, corymbosa ; involucri bractese numerossej biseriatse, lineares, acutse, rigidse, pilosse ; receptaculum nudum, leviter conicum ; corolla subcylindrica, puberula, simul parce glandulosa. Achenia glabra, saepissime 4-angulata, basi oblique callosa; pappus brevis, cupiilatus, 4-5- dentatus. South Mexico, Uruapan, Michoacan, at 4000 feet {Galeotti, 2451). Hb. Kew. V20. Ageratum tomentosum, Hemsley. Cmlestina tomentosa, Benth. in Vidensk. Meddel. 1853, p. 71. South Mexico, valley of Orizaba {Bourgeau, 2924), Eeal del Monte {Coulter, 247), Jalapa, at 3000 feet {Galeotti, 2202), province of Vera Cruz {Linden, 1185), Chiapas {Ghiesbreght, 547); Guatemala, Capetillo, Volcan de Fuego, 4600 feet {Salvin) ; Costa Eica, mountains of Candelaria {(Ersted). Hb. Kew. 20. SCH^TZELLIA. Schatzellia, Schz. Bip. in Flora, 1850, p. 419 ; Benth. et Hook. Gen. Plant, ii. p. 242. Limited at present to one annual species : — 1. Schaetzellia mexicana, Schz, Bip. in Flora, 1850, p. 419. South Mexico, ravines of the Tierra Caliente, at 1500 feet {Galeotti, 2302), Acasonica, Vera Cruz {Linden, 1168). Hb. Kew. 21. STEVIA. Stevia, Cav. Ic. iv. p. 32, tt. 354-356 ; Benth. et Hook. Gen. Plant, ii. p. 242. From eighty to 100 herbaceous and half-shrubby American species, chiefly western, from Mexico to Chili, a few occurring in Buenos Ayres, Brazil, and Guiana. 1. Stevia angUStifolia, H. B. K. Nov. Gen. et Sp. iv. p. 149. South Mexico, Santa Rosa de la Sierra &c., 7200 to 8000 feet {Humboldt & Bonpland), without localities {Bates, ParMnson). Hb. Kew. 2. Stevia aschenborniana, Schz. Bip. in Linneea, XXV. p. 269. Stevia podocephala, Schauer in Linnsea, xix. p. 718, nee DC. Mexico {Aschenborn). 3. Stevia berlandieri, A. Gray, in Torr. Bot. Emory Eep. p. 73, in adnot. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer), near Saltillo {Gregg, 224). Hb. Kew. 4. Stevia canescens, H. B. K. Nov. Gen. et Sp. iv. p. 143. New Mexico.— Noeth Mexico, Sonora ( Wright) ; South Mexico, Eeal del Monte {Coulter, 276, 277), Aguas Calientes {Hartweg), about Guanajuato and Chalma, 6600 COMPOSITE. 85 feet {Humboldt & Bonplmd), Tacubaya {BilimeJc, 499 ; Graham), Escamella {Bourgeau, 3994) ; Guatemala {Skinner). — Colombia. Hb. Kew. 5. Stevia clinopodia, DC. Prodr. v. p. 116. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 320) ; South Mexico, Desierto Viejo {Bourgeau, 815, 1223), Orizaba {Botteri, 1162), Cordillera of Oaxaca, at 8000 feet {Galeotti, 2066) ; Costa Eica, Aguacate and Ujaras {(Ersted, 194, 195, 196). Hb. Kew. •^6. Stevia COmpacta, Benth. PL Hartw. p. 197. Costa Eica, Volcan el Viejo {(Ersted, 199). — Colombia ; Peru. Hb. Kew. 7. Stevia COnnata, Lag. Nov. Gen. et Sp. p. 27 ; DC. Prodr. v. p. 117. Mexico. 8. Stevia COrdifolia, Benth. Pi. Hartw. p. 39. South Mexico, Eegla {Hartweg). Hb. Kew. 9. Stevia coronifera, DC. Prodr. v. p. 115. Mexico {Mairet, 118). Hb. Kew. 10. Stevia dissitifolia, DC. Prodr. v. p. 121. Mexico {HcenJce). 11. Stevia dissoluta, Schl. Hort. Halens. p. 16 ; Walp. Eep. ii. p. 547. Mexico. 12. Stevia divaricata, DC. Prodr. v. p. 123. Mexico. 13. Stevia ehrenbergiana, Schl. in Linnsea, xvi. p. 370. South Mexico, Mineral del Monte {JEhrenberg). 14. Stevia elatior, H. B. K. Nov. Gen. et Sp. iv. p. 144. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 330) ; South Mexico, Vera Cruz to Orizaba {Muller, 1101), Tacubaya {Schaffner). — Venezuela and Colombia to Peru. Hb. Kew. 15. Stevia elliptica, Hook, et Am. Bot. Beech. Voy. p. 434. North Mexico, Cerro de Pinal {Seemann, 1488) ; South Mexico, San Bias to Tepic {Sinclair), Acapulco {Hinds), Desierto Viejo and Pedregal {Bourgeau, 822, 1236). Hb. Kew, 16. Stevia eupatoria, Willd. Sp. Pi. iii. p. 1775 ; DC. Prodr. V. p. 118 ; Bot. Mag. t. 1849. Stevia hyssopifolia, Cav. Prsel. 465 ; Lag. Nov. Gen. et Sp. p. 36, non Kunth nee Sims. Stevia punctata, Pers. Ench. ii. p. 403. 86 COMPOSITE. Ageratum pundatum, Ort. Dec. iii. p. 37. Mustelia eupatoria, Spreng. in. Trans. Linn. Soc. Lond. \i. p. 152, t. 13. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 ieet {Parry & Palmer, 324) ; South Mexico, Morelia, 5000 feet {Galeotti, 2419), without localities {Parkinson, Graham). Hb. Kew. 17. Stevia fascicularis, Less, in Linnsea, v. p. 140. South Mexico, everywhere around Jalapa {Schiede & Beppe). 18. Stevia fastigiata, H. B. K. Nov. Gen. et Sp. iv. p. 148. South Mexico, near Guanajuato, at 6500 feet {Humboldt & Bonpland). 19. Stevia glandulifera, Schl. Ind. Lem. Hal. 1839, p. 19, et Hort. Hal. p. 15, t. 8 ; Walp. Eep. ii. p. 547. Stevia trachelioides, Hook. Bot. Mag. t. 3856 ? South Mexico, near San Angel {Schqffner). Hb. Kew. 20. Stevia glandulosa, Hook, et Am. Bot. Beech. Voy. p. 296. South Mexico, Jalisco {Beechey), San Bias to Tepic {Sinclair). Hb. Kew. 21. Stevia glutinosa, H. B. K. Nov. Gen. et Sp. iv. p. 148, t. 353. Venezuela; Colombia. Var. /3] oaxacana, DC. Prodr. V. p. 116. South Mexico, Oaxaca {Andrieux, 385). Hb. Kew. 22. Stevia grandidentata, Schz. Bip. MSS. in hb. Kew. South Mexico, Tehuacan {lAebmann, 128). Hb. Kew. The specimen in Kew herbarium is insufficient for description. 23. Stevia haenkeana, DC. Prodr. v. p. 122. Mexico {Hoenke). 24. Stevia hirsuta, DC. Prodr. v. p. 121. South Mexico, Villapando {Mendez). 25. Stevia hirtiflora, Schz. Bip. in Linnsea, xxv. p. 274. South Mexico, Regla {Ehrenberg). 26. Stevia hispidlda, DC. Prodr. v. p. 122. Mexico {Me 1). 27. Stevia ivaefolia, WiUd. Mag. Ges. Naturfr. Berl. 1807 ; DC. Prodr. v. p. 118. South Mexico, Desierto Viejo {Bourgeau, 823). Hb. Kew. 28. Stevia jomllensis, H. B. K. Nov. Gen. et Sp. iv. p. 144. South Mexico, Jorullo, at about 4000 feet {Humboldt & Bonpland), Sanchez {Hartweg), without locality {Graham). Hb. Kew. COMPOSITE. 87 29. Stevia lanceolata, Lag. Nov. Gen. et Sp. p. 26 ; DC. Prodr. v. p. 119. NoETH Mexico, around Pachuca, 30. Stevia lanceolata, Walp. in Linnsea, xiv. p. 319. South Mexico (KarwinsM). 31. Stevia latifolia, Benth. Pi. Hartw. p. 40. South Mexico, Sanchez [Hartweg). Hb. Kew. 32. Stevia laxiflora, DC. Prodr. v. p. 122. stevia purpurea {quinquearistata) , Lag. Nov. Gen. et Sp. p. 26, non Pers. Stevia hyssopifolia, H. B. K. Nov. Gen^ et Sp. iv. p. 140, non Cav. nee Sims. South Mexico, near Tacubaya {Schaffner, 210 ; BilimeJc, 498, 531), Santa Fe {Bourgeau, 709, 821), Bolanos {Coulter, 2d>T), Orizaba {Botteri, 900), Zimapan {Coulter, 265). Hb. Kew. 33. Stevia leucantha, Schl. Hort. Hal. p. 16; Walp. Eep. ii. p. 547. Mexico. 34. Stevia leuconeura, DC. Prodr. v. p. 121. South Mexico, Leon, west of the town of Guanajuato {Mendez). 35. Stevia linearifolia, Walp. in Linnaea, xiv. p. 320. South Mexico {KarwinsM). I 36. Stevia lucida, Lag. Nov. Gen. et Sp. p. 28 ; DC. Prodr. v. p. 117. NoBTH Mexico, Sierra Madre {Seemann, 2028), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 327) ; South Mexico, Ismiquilpan &c. {Nee), without locality {Graham, 62) ; Guatemala, Volcan de Fuego {Salvin & Godman) ; Costa Eica {(Ersted). Hb. Kew. 37. Stevia micrantha, Lag. Nov. Gen. et Sp. p. 27 ; DC. Prodr. v. p. 121 ; Caiques des Dess. Fl. Mex. 548. Stevia macella, A. Gray. New Mexico. — N'oeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 328) ; South Mexico, Guadalupe {Bilimeh, 504), Zacualco {Bourgeau, 1069), Chapultepec {Schaffner, 242). Hb. Kew. 38. Stevia microcephala, DC. Prodr. v. 116. Mexico {Hcenke). 39. Stevia microchaBta, Schz. Bip. MSS. in Lieb. Coll. n. 120 South Mexico, Cerro Pelado {Liehmann, 120). Hb. Kew. 40. Stevia microphylla, H. B. K. Nov. Gen. et Sp. iv. p. 140. South Mexico, between Tasco and Thuilotepec, 5600 feet {Humboldt & Bonpland). 88 COMPOSITE. ^41. Stevia mouardsefolia, H. B, K. Nov, Gen. et Sp. iv. p. 147. South Mexico, between Valladolid and Pazcuaro, at 6600 feet {Humboldt & Bon- fland). Peak of Orizaba, 8000 to 12,000 feet {Galeotti, 2162 ; Linden, 1128 ; Liebmann, 135; Botteri, 824), Sanchez (Eartweg), Cordillera of Vera Cruz, damp places at 3000 feet (Galeotti, 2264, 2265), Santa Fe and Desierto Viejo {Bmrgeau, 712, 820, 1072, 1073) ; Costa Eica {Endres). Hb. Kew. 42. Stevia nepetaefolia, H. B. K. Nov, Gen. et Sp, iv. p. 146. Stevia tomentosa, Schauer in Linnsea, xix. p. 718^ nee H. B. K. South Mexico, Orizaba (Bourgeau, 3332), shore of Lake Tezcuceo, 9000 feet (Humboldt & Bonpland), Montezuma, near Cuantepec (Bourgeau, 1068). Hb. Kew. 43. Stevia nervosa, DC. Prodr. v. p. 117. South Mexico, near Villalpando, east of Guanajuato (Mendez). 44. Stevia nitida, Walp. in Linnsea, xiv. p. 320 ; Eep. ii. p. 546. Mexico (KarwinsJci). 45. Stevia Origanifolia, Walp. in Linnaea, xix, p, 321 ; Rep, ii, p. 546. Mexico. 46. Stevia origanoides, H. B. K. Nov, Gen, et Sp, iv. p, 147, NoBTH Mexico, Cerro de Pinal (Seemann, 1475) ; South Mexico, valley of San Jacobus, Michoacan, at 5000 to 6000 feet (Humboldt & Bonpland), without locality (Aschenborn). Hb. Kew. 47. Stevia Ovata, Lag. Nov, Gen. et Sp. p, 27 ; DC, Prodr, v, p. 120. South Mexico, Desierto Viejo, San Nicolas and Santa Fe (Bourgeau, 819, 1067, 1071). Hb. Kew. 48. Stevia paniculata, Lag. Nov. Gen. et Sp. p. 27 ; DC. Prodr, v, p, 120, South Mexico, Zimapan (Coulter, 270), Pedregal, near Mexico (Bourgeau, 711). Hb. Kew. 49. Stevia pilosa, Lag. Nov. Gen. et Sp, p. 26. Stevia conferta, DC, Prodr. v. p. 116. South Mexico, near Guanajuato (J^ee), Eeal del Monte (Coulter, 280), Santa Fe (Bourgeau, 605, 817). Hb. Kew. 50. Stevia podocephala, DC. Prodr. v. p. 121. South Mexico, Pedregal (Bourgeau, 391), Eeal del Monte (Coulter, 266), Cordillera of Oaxaca, 8000 to 9000 feet (Galeotti, 2079), vsdthout localities (Nee, Alanmn, Ber- landier, Mendez) ; Guatemala (Bernoulli) ; Costa Eica ((Ersted). Hb. Kew. V 51. Stevia polyphylla, DC. Prodr. v, p, 123. Pai^amaI PeeuI COMPOSITE. 89 52. Stevia pubeSCens, Lag. Nov. Gen. et Sp. p. 26 ; DC. Prodr. v. p. 119. South Mexico, Aguas Calientes {Hartioeg, 135), Eeal del Monte {Coulter, 279, 280), around Guanajuato and Chalma (ex Le Candolle). Hb. Kew. 53. Stevia purpurea, Pars. Ench. ii. p. 402 ; Jacq. Fragm. t. 127. fig. 2. Stevia eupatoria, Bot. Reg. t. 93. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 323) ; South Mexico, foot of Orizaba (Schiede & Beppe). Hb. Kew. 54. Stevia pyrolaefolia, Schl. in Linnsea, xvi. p. 326. South Mexico, in la Encarnacion (Ehrenberg). 55. Stevia ranunculoides, DC. Prodr. v. p. 124. South Mexico, west of Guanajuato [Mendez). 56. Stevia reglensis, Benth. Pi. Hartw. p. 40. South Mexico, Eegla {Hartweg, 308), Borrego, Orizaba [Bourgeau, 3348). Hb. Kew. 57. Stevia rhombifolia, H. B. K. Nov. Gen. et Sp. iv. p. 143. NoBTH Mexico, Sierra Madre [Seemann, 2016) ; South Mexico, Orizaba (Botferi, 601 ; Bourgeau, 2843, 3086), Mirador [Liehmann, 127, 134; Linden, 1154), San Nicolas and Santa Fe {Bourgeau, 712 bis, 1076), CordiUera of Vera Cruz and Cordillera of Oaxaca (Galeotti, 2215, 1997), Jalapa {Linden, 469), Guadalupe at 7200 feet {Humboldt & Bonpland). Hb. Kew. 58. Stevia Salicifolia, Cav. Ic. iv. p. 32, t. 354 ; DC. Prodr. v. p. 117. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 321) ; South Mexico, Zimapan {Coulter, 275), near Belen {Schaffner), Eeal del Monte {Galeotti, 2367), Santa Fe, Cerro de Hidalgo {Bourgeau, 720, 171). Hb. Kew. Var. nana, A. Gray in Proc. Am. Acad. xv. p. 25. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 326). Hb. Kew. 59. Stevia SCabrella, Benth. Pi. Hartw. p. 19. South Mexico, Bolanos {Hartweg, 141). Hb. Kew. 60. Stevia seemannii, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 298. NoETH Mexico, Sierra Madre {Seemann, 2041). Hb. Kew. 61. Stevia serrata, Cav. ic. iv. p. 33, t. 355. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 325) ; South Mexico, near Tacubaya {Schaffner, Bourgeau, 368, 144), Zimapan {Coulter, 281), Chiapas {Ghiesbreght, 567). Hb. Kew. 62. Stevia Stenophylla, A. Gray in Proc Am. Acad. xv. p. 25. NoETH Mexico, San Luis Potosi {Parry & Palmer, 319). Hb. Kew. BIOL. CEKT.-AMEE., Bot. Vol. 2, April 1881. n 90 COMPOSITJi;. 63. Stevia SubpubeSCens, Lag. Nov. Gen. et Sp. p. 28 ; DC. Prodr. v. p. 116. South Mexico, Guanaxuato {Hartweg, 137), San Nicolas {Bourgeau, 1066), Cordillera of Oaxaca, 7000 to 8000 feet {Galeotti, 2186), Anganguio {Schiede). Hb. Kew. 64. Stevia ternifolia, H. B. K. Nov. Gen. et Sp. iv. p. 146. South Mexico, Michoacan, 5000 to 6000 feet {Humboldt & Bonpland). 65. Stevia tomentosa, H. B. K. Nov. Gen. et Sp. iv. p. 145, t. 352. South Mexico, near Valladolid, at 6000 feet {Humboldt & Bonpland), Eeal del Monte {Coulter, 271), Regla {Hartweg), San Angel {Hdhn), Santa Fe {Bowrgeau, 710). Hb. Kew. 66. Stevia trachelioides, DC. Prodr. v. p. 115. South Mexico, valley of Toluca {Berlandier, 1164). 67. Stevia trichopoda, A. Gray, Pi. Fendl. p. 64. South Mexico, Zimapan {Coulter, 267). Hb. Kew. 68. Stevia trifida, Lag. Nov. Gen. et Sp. p. 27. Stevia multifida, DC. Prodr. v. p. 131. Mexico. 69. Stevia triflora, DC. Prodr. V. p. 115. South Mexico, San Felipe, Oaxaca {KarwinsM). 70. Stevia unicristata, DC. Prodr. v. p. 120. South Mexico, Leon, west of Guanajuato {Mendez), Bolanos {Coulter, 282), without locality {Harris). Hb. Kew. 71. Stevia vigintiseta, DC. Prodr. v. p. 123. Mexico {KarwinsM). 72. Stevia viminea, Schrad. Hort. Gott. 1832 ; DC. Prodr. v. p. 117. South Mexico, Real del Monte {Coulter, 274). Hb. Kew. 73. Stevia viscida, H. B. K. Nov. Gen. et Sp. iv. p. 140, t. 351. South Mexico, between Lake Yurirapundara and Capula, 6000 feet {Humboldt & Bonpland). 22. FLEISCHMANNIA. Fleischmannia, Schz. Bip. in Flora, 1850, p. 417 ; Benth. et Hook. Gen. Plant, ii. p. 243. Limited to the following herbaceous species : — 1. Fleischmannia rhodostylis, Schz. Bip. in Flora, 1850, p. 417. Eupatorium ? quinquesetosum, Benth. in Walp. Ann. v. p. 165. NiCAKAGUA, Segovia {(Ersted, 249). Hb. Kew. COMPOSITiE. 91 2. Pleischmannia SChaflfneri, A. Gray in Proc. Am. Acad. xvi. p. 101. NoETH Mexico, San Luis Potosi {Schaffner). Hb. Kew. 3. Pleischmannia nrenaefolia, Benth. et Hook. Gen. Plant, ii. p. 243. Phania ? urenafolia, Hook, et Am. Bot. Beech. Voy. p. 297. Mexico (Beechey). 23. CAEMINATIA. Carminatia, M09. in DC. Prodr. tII. p. 267 ; Benth. et Hook. Gen. Plant, ii. p. 243. One herbaceous species : — 1. Carminatia tenuiflora, DC. Prodr. vii. p. 267 ; Deless. Ic. Sel. iv. t. 99. Texas; New Mexico. — Nokth Mexico, Sonora (Thurber, Wright, 1134); South Mexico, Zimapan (Coulter, 242), Leon, west of Guanajuato (Mendez), without locality (Bates). Hb. Kew. 24. EUPATOKIUM. Eupatorium, Linn. Gen. Plant, n. 935 j Benth. et Hook. Gen. Plant, ii. p. 245. From 400 to 450 shrubby and herbaceous species, by far the greater proportion American, ranging from Canada to Chili, but most numerous in Mexico and Brazil. Temperate and Subtropical Asia comes next in point of numbers, one of the species extending to Western Europe and North Africa, and one species occurs in Eastern Tropical Africa. The genus is not represented either in South Africa or in Australasia. 1. Eupatorium adenochaetum, Schz. Bip. MSS. in hb. Liebm. South Mexico, peak of Orizaba, 8000 to 10,000 feet (Liehmann, 89). Hb. Kew. The specimen in Kew herbarium is insufficient for description. ^ 2. Eupatorium adenophorum, Spreng. Syst. iii. p. 420 ; DC. Prodr. V. p. 164. Eupatorium glandulosum, H. B. K. Nov. Gen. et Sp. iv. p. 132, t. 346 ; Bot. Beg. t. 1723^ non Michx. South Mexico, between Carpio and Gasave, 8200 feet (Humboldt & Bonpland) ; CosTA KicA, Angostura (PolakowsJcy). 3. Eupatorium adenospermum, Schz.Bip.inSeem.Bot.Voy.' Herald,' p. 299. North Mexico, Sierra Madre (Seemann, 2037). Hb. Kew. 4. Eupatorium ageratifolium, DC. Prodr. v. p. 173. /3. mexicanum, DC. loc. cit. ' ' NoETH Mexico, between Victoria '^nd Tula (Berlandier). 5. Eupatorium ageratoides, Lin. fil. Suppl. p. 355 ; DC. Prodr. v. p. 175. Canada southward. — South Mexico, valley of Mexico (Bourgeau, 172, 517, 591, 950, 1231), forest of the Desierto Viejo (Bourgeau, 818, 1101), Orizaba (Botteri, 1092), Tacubaya (Schaffner). Hb. Kew. «2 92 COMPOSITE. 6. Eupatorium albicaide, Schz. Bip. in herb. Liebm. n. 88. South Mexico, Papantla (Liebmann, 88). Hb. Kew. 7. Eupatorium (ConOClinium) album, Mart, in Linnsea, xxiv, p. 194. Mexico (KarwinsM). 8. Eupatorium amplifolium, A. Gray in Proc. Am. Acad. XV. p. 28. , North Mexico, San Luis Potosi (Parry & Palmer, 334). Hb. Kew. /9. Eupatorium angOSturse, Polak. in Linnsea, xli. p. 579. Costa Eica, Angostura {Polakowsky). ^10. Eupatorium aralisefolium, Less, in Linnsea, vi. p. 403. South Mexico, Papantla [ScUede), M.\mA.ox {IAehmann,llb), Ovizaha (Pilimek, 557) ; Nicaragua, Chontales {Tate, 367, 37,0). Hb. Kew. 11. Eupatorium areolare, DC. Prodr. v. p. 169. South Mexico, mountains of Guachilaca {Berlandier), Chiapas {GUesbreght, 530), Hb. Kew. 12. Eupatorium argutum, H. B. K. Nov. Gen. et Sp. iv. p. 121. South Mexico, Chapoltepec, at 8200 feet [Humboldt & JBonjpland). 13. Eupatorium aschenbornianum, Schauer in Linnsea, xix. p. 720. South Mexico, Toluca (Aschenborn, 106). 14. Eupatorium azureum, DC. Prodr. v. p. 168. North Mexico, Monterey, Nuevo Leon (Berlandier), region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 341). Hb. Kew. ^15. Eupatorium barclayanum, Benth. Bot. Voy. ' Sulphur,' p. 112. Nicaragua, between Sapoa and Tortuga ((Ersted) ; Panama, Lamon (Seemann, 431), Isle of Taboga (Barclay). — Southward to Peru. Hb. Kew. 16. Eupatorium bellidifolium, Benth. Pi. Hartw. p. 380. North Mexico, Sierra Madre (Seemann, 2042) ; South Mexico, mountains near Apulco (Hartweg), Cordillera of Oaxaca, 7000 to 8000 feet (Galeotti, 2041). Hb. Kew. 17. Eupatorium berlandieri, DC. Prodr, v. p. 167. North Mexico, Sonora (Wright), between Tula and Tampico (Berlandier). 18. Eupatorium bertholdii, Schz. Bip, in Seem. Bot. Voy. ' Herald,' p. 299. North Mexico, Sierra Madre (Seemann, 2011); South Mexico, Tepic (Barclay). Hb. Kew. 19. Eupatorium betomcaefolium, Mill, ex Steud. Nomen. Bot. ed. 2, i. p. 606. South Mexico, Vera Cruz (Houston). COMPOSITiE. 93 20. Eupatorium betonicum, Hemsley. Conoclinium betonicum, DC. Prodr. v. p. 135. North Mexico, Tampico {Berlandier), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 316). Hb. Kew. 21. Eupatorium bigelowii, A. Gray in Torr. Bot. Emory Exped. p. 75. North Mexico, on the Gila, Sonora {Parry). V22. Eupatorium billlbergianum, Beurling in Kong. Vet. Handl. 1854, p. 134. Panama {Billherg). 23. Eupatorium blepharilepis, Schz.Bip. in Seem. Bot. Voy. 'Herald,' p. 300. North Mexico, Sierra Madre {Seemann, 2031). Hb. Kew. V24. Eupatorium braunii, Polak. in Linnsea, xli. p. 576. Costa Eica, Angostura {Polakowsky). 25. Eupatorium brevipes, DC. Prodr. v. p. 168. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 342) ; South Mexico, Villalpando {Mendez), Chapultepec {Schaffner), Cuemavaca {Hahn), Santa Izabel {Bilimek), Santa Fe {Bourgeau, 1104). Hb. Kew. 26. Eupatorium brevisetum, DC. Prodr. v. p. 169. Mexico {Alaman). 27. Eupatorium bustamanta, DC. Prodr. v. p. 168. South Mexico, Santa Fe {Bourgeau, 588), Vera Cruz (Linden, 1217), woods, at 3000 feet, in the Cordillera of Oaxaca ( Galeotti, 2189) ; Guatemala {Salvin & Godman). Hb. Kew. 28. Eupatorium calaminthsefolium, H. B. K. Nov. Gen. et Sp. iv. p. 129, t. 348. South Mexico, Eeal del Monte, Zimapan {Coulter, 256, 257), valley of Mexico {Schaffner; Bourgeau, 170, 1102, 1103), without localities {Mairet, Gregg, &c). Hb. Kew. / ^9. Eupatorium ciliatum, Less, in Linnsea, vi. p. 404. South Mexico, vdlley of Cordova {Bourgeau, 1927), Mirador {Liehmann, 65), Cordillera of Vera Cruz, at 3000 feet {Galeotti, 2331), Orizab* {Botteri, 1091) ; Guatemala, Alta Vera Paz, at 4400 feet {TurcJcheim) ; Panama, Boquete {Seemann, 1132). Hb. Kew. 30. Eupatorium collinum, DC. Prodr. v. p. 164. Eupatorium nigrescens, Hook, et Am. Bot. Beech. Voy. p. 297. North Mexico, San Luis Potosi to Tampico {Palmer, 1076) ; South Mexico, San Bias to Tepic {Sinclair; Coulter, 249), Consoquitla {Liehmann, 2, 3), Cordillera of Vera Cruz {Galeotti, 2216) ; Nicaragua {Tate, 190). Hb. Kew. 94 COMPOSITE. ^' 31. Eupatorium COnyzoideS, Vahl, Symb. iii. p. 96 ; DC. Prodr. V. p. 143. NoKTH Mexico, around the town of Matamoras {JBerlandier, 2355), San Luis Potosi to Tampico {Palmer, 1072, 1073) ; South Mexico, near Tantoyuca (JErvendberg, 54), hedges near Vera Cruz {Galeotti, 2218), Mirador (Linden, 1202; Liehmann, 12), Boca del Eio [Liehmann, 15), San Bias {Sinclair), Mazatlan {Seemann, 1492), Orizaba {Botteri, 1077), valley of Cordova {Bourgeau, 1847) ; Guatemala, Duenas, 5000 feet {Salvin) ; Costa Eica {Endres). Hb. Kew. >|32. Eupatorium Critonioides, Steetz in Seem. Bot. Voy. ' Herald,' p. 145. Panama, Volcan de Chiriqui {Seemann). Hb. Kew. ^33. Eupatorium daleoides, Hemsley. Critonia daleoides, DO. Prodr. v. p. 141. NoETH Mexico, Tampico {Berlandier) ; South Mexico, Cordova {Botteri, 1095), Vera Cruz {Linden, 1227 ; Galeotti, 2334), Mirador {Liehmann, 44), Orizaba (Botteri, 1084); Costa Eica, Cartago, 6000 feet {(Ersted). Hb. Kew. 34. Eupatorium deltoideum, Jacq. Hort. Schcenb. iii. p. 63, t. 369. South Mexico, San Nicolas (Bourgeau, 947), Tlalpuxahua (Graham, 33), near Tacubaya (Schaffner). Hb. Kew. 35. Eupatorium dissectum, Benth. Bot. Voy. ' Sulphur,' p. 113. Phania ? dissecta, Hook, et Am. Bot. Beech. Voy. p. 433. Conoclinium dissectum, A. Gray. Texas ; New Mexico. — Noeth Mexico, Chihuahua (Potts) ; South Mexico, Acapulco (Sinclair). Hb. Kew. 36. Eupatorium divergens, Less, in Linnsea, V. p. 138. South Mexico, Hacienda de la Laguna (Schiede). Perhaps the same as E. conyzoides. 37. Eupatorium ehrenbergii, Hemsley. Hebeclinium macrocephalum, Benth. PI. Hartw. p. 42. Hebeclinium ehrenbergii, Schz. Bip. South Mexico, Puente de Dios (Hartweg, Ehrenherg). Hb. Kew. ^ 38. Eupatorium elatum, steetz in Seem. Bot. Voy. ' Her&ld,' p. 148. Panama, in forests (Seemann). Hb. Kew. 39. Eupatorium espinosarum, A. Gray in Proc. Am. Acad. XV. p. 28. Noeth Mexico, San Luis Potosi (Parry & Palmer, 333). Hb. Kew. 40. Eupatorium glaberrimum, DC. Prodr. v. p. 144. Mexico (HcenJce). 41. Eupatorium glabratum, H. B. K. Nov. Gen. et Sp. iv. p. 127. Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 347) ; COMPOSITE. 95 South Mexico, between Omitlan and Real del Monte, 7800 ieet (Humboldt &Bonpland), around Toluca (Andrieux, 273), Guanajuato {Eartweg, 140), San Nicolas [Bourgeau, 952), without localities {Gregg, Graham). Hb. Kew. 42. Eupatorium glaucum, Schz. Bip., ex A. Gray. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 335). Hb. Kew. 43. Eupatorium gonocladum, DC. Prodr. v. p. 171. Mexico (hb. Lindley). 44. Eupatorium graciliflorum, DC. Prodr. v. p. 145. South Mexico, around Acapulco {KarwinsM), without locality {Hasnke). 45. Eupatorium grandidentatum, DC. Prodr. v. p. 167. South Mexico, peak of Orizaba, at 10,000 feet {lAehmann, 24), Vera Cruz {Linden, 1187, 1215). Hb. Kew. ^46. Eupatorium guatemalense, Reg. Ind. Sem. Hort. Turic. 1850, p. 4, adnot., ex Walp. Ann. ii. p. 816. Guatemala. 47. Eupatorium hsenkeanum, DC. Prodr. v. p. 158. Mexico {Hcenke). Var. 3 \ velutinum, DC. loc. cit. South Mexico, Acapulco {Hcenke). 48. Eupatorium hartwegii, Benth. Pi. Hartw. p. 19. South Mexico, Lagos {Hartweg, 144). Hb. Kew. 49. Eupatorium hastHe, Schauer in Linneea, xix. p. 719. Noeth Mexico, San Luis Potosi to Tampico {Palmer, 1074) ; South Mexico, Zimapan {Coulter, 244). Hb. Kew. 50. Eupatorium hebebotrya, Hemsley. Oritonia hebebotrya, DC. Prodr. v. p. 141. Mexico {HcenJce) ; Costa Rica, Ujaras, 3500 feet {(Ersted). Hb. Kew. 51. Eupatorium hederaefolium, A. Gray, Pi. Fendl. p. 65, adnot. Noeth Mexico, Cosiquiriachi ( Wislizenus), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 341). Hb. Kew. 52. Eupatorium Mrsutum, DC. Prodr. v. p. 170. Mexico {Hcenke). 53. Eupatorium hySSOpinum, A. Gray in Proc. Am. Acad. xv. p. 28. Noeth Mexico, mountains near San Luis Potosi {Parry & Palmer, 337). Hb. Kew. 96 COMPOSITE. 54. Eupatorium iantMnmn, Hemsley. Hebeclinium ianthinum. Hook. Bot. Mag. t. 4574. Conoclinium ianthinum, Morren in Ann. Grhent^ 1849. South Mexico, Orizaba {Botteri, 464), Sierra de San Pedro Nolasco {Jurgensen, 305), Jalapa {Linden, 463) ; Guatemala, Volcan de Agua, 8000 feet (Salvin & Godman, 326). Hb. Kew. 55. Eupatorium mcomptum, DC. Prodr. v. p. 173. NoETH Mexico, Cerro de Pinal {Seemann, 1479) ; South Mexico, San Mcolas and region of Orizaba {Bourgeau, 970, 3330, 3344), Cordillera of Vera Cruz, at 3000 feet {Galeotti, 2196), Mirador {Idelmann, 93). Hb. TLew. \ 56. Eupatorium iresinoides, H. B. K. Nov. Gen. et Sp. iv. p. 106, t. 340. Panama, isle oi Taboga (Seemann, 1024:). — Southward to Peru. Hb. Kew. 57. Eupatorium ivsefolium, Linn. Amcen. Acad. V. p. 406; DC. Prodr. v. p. 146. Louisiana.— Mexico, Tehuantepec [Andrieux, 283), Mirador [Liebmann, 18 ; lAnden, 1141 ; Galeotti, 2217), near Tantoyuca (Ervendberg, 53). — Cuba. Hb. Kew. V58. Eupatorium ixiocladon, Bentb. in Vidensk. Meddel. 1852, p. 77. CosTA EiCA, Irazu, at 9000 feet ((Ersted). Hb. Kew. 59. Eupatorium karwinsManum, DC. Prodr. v. p. 163. Mexico (KarwinsM). ^ 60. Eupatorium Isevigatum, Lam. End. ii. p. 408. Nicaragua, Chontales (Seemann, 107). — Colombia. Hb. Kew. 61. Eupatorium lasioneurum, Hook, et Am. Bot. Beech. Voy. p. 297. South Mexico, Jalisco (Beechey). Hb. Kew. 62. Eupatorium leiophyllum, Less, in Linnaea, vi. p. 402. South Mexico, near Papantla (Schiede). 63. Eupatorium leucocephalum, Bentb. pi. Hartw. p. 86. South Mexico, Mirador (Liebmann, 40), Orizaba (Botteri, 1080, 1124 ; Bilimek, 349; Bourgeau, 2318), pine-forests, Chiapas (Ghiesbreght, 436); Guatemala, Acate- nango (Hartweg), Volcan de Santa Maria, 6000 feet (Salvin). Hb. Kew. 64. Eupatorium liebmannii, Hemsley. Hebeclinium liebmannii, Schz. Bip. in Coll. Liebm. South Mexico, Mirador (Liebmann, 92). Hb. Kew. 65. Eupatorium ligustriaum, DC. Prodr. v. p. 181. Noeth Mexico, Tamaulipas (Berlandier), San Luis Potosi to Tampico (Palmer, 1080) ; South Mexico, Orizaba [Salle), San Surtes (Liebmann, 366). Hb. Kew. COMPOSITE. 97 66. Eupatorium longipes, A. Gr. in Proc. Am. Acad. xv. p. 26, adnot. Eupatorium pedunculosum, A. Gr. PI. Wright, i. p. 86, nee Hook, et Arn. Bulbostylis pedunculosa, DC. Prodr. v. p. 138, North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 360) ; South Mexico, Real del Monte {Ehrenberg, Coulter, 251). Hb. Kew. 67. Eupatorium lucidum, Ort. Dec. p. 35 ; DC. Prodr. v. p. 173. Mexico {Nee). 68. Eupatorium macrocephalum, Less, in Linnsea, V. p. 186. South Mexico, near Hacienda de la Laguna {Schiede). 1^9. Eupatorium macrophyllum, Linn. Sp. PI. p. 1175. Hebeclinium macrophyllum, DC. Prodr. v. p. 136. South Mexico, Loban {Liebmann, 150); Nicaeagua, Chontales {Tate, 164, 165; Seemann, 105) ; Panama {S. Hayes, Cuming). — Venezuela, Colombia, Peru, Brazil, and West Indies. Hb. Kew. 70. Eupatorium mairetianum, DC. Prodr. v. p. 167. Mexico {Mairet). 71. Eupatorium malvsefolium, DC. Prodr. v. p. 160. North Mexico, between Vittoria and Tula {JBerlandier). " Hb. Kew. 72. Eupatorium melanolepis, Schz. Bp. in herb. Liebm. n. 86. South Mexico, Cumbre de Ectapa {Liebmann, 86). Hb. Kew. 73. Eupatorium mendezii, DC. Prodr. v. p. 160. North Mexico, region of San Luis Potosi {Parry & Palmer, 340) ; South Mexico, Leon, west of Guanajuato {Mendez), Queretaro {Berlandier, 1268), Regla {Hartweg, 326). Hb. Kew, 74. Eupatorium micranthum, Less, in Linnsea, V. p. 138. South Mexico, Jalapa {Schiede). 75. Eupatorium monanthum, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 299. North Mexico, Sierra Madre {Seemann, 1990). Hb. Kew. 1/76. Eupatorium multinerve, Benth. Pi. Hartw. p. 76. Guatemala, Quezaltenango {Hartweg). Hb. Kew. 77. Eupatorium multiserratum, Schz. Bip. in Seem. Bot. Voy. 'Herald,' p. 301. North Mexico, Sierra Madre {Seemann, 1987). Hb. Kew. 78. Eupatorium mygindaBfolium, A. Gr. in Proc. Am. Acad. xvi. p. 101. North Mexico, mountains near San Miguel {Schaffner, 351). Hb. Kew. BIOL, cent.-amer., Bot. Vol. II., June 1881. o 98 COMPOSITE. 79. Eupatorimn neaeanmn, DC. Prodr. v. p. 160. South Mexico, around Acapulco {NSe), San Bias to Tepic {Sinclair). Hb. Kew. H 80. Eupatorium nubigenuin, Benth. PL Hartw. p. 85. Guatemala, Las Nubes {Hartweg, 587) ; Panama, Boquete (Seemann, 1131). Hb. Kew. 81. Eupatorimn Odoratuin, Linn. Sp. Pi. p. 1174 ,- DC. Prodr. V. p. 143. South Mexico, Yucatan and Tabasco (Johnson, 26) ; Nicaeagua, Granada {(Ersted). — ^Northern part of South Ameeica and in the West Indies. Hb. Kew. V 82, Eupatorium oerstedianum, Benth. in Vidensk. Meddel. 1852, p. 75. Costa Rica, Aguacate {(Ersted, 57). Hb. Kew. 83. Eupatorium Oliganthes, Less, in Linnsea, v. p. 137. South Mexico, Hacienda de la Laguna {Schiede & Beppe). See Brickellia. 84. Eupatorium (Conoclinium) oligolepis, Kze. in Linnsea, XX. p. 19. Mexico (Ehrenherg). 85. Eupatorium oligocephalum, DC. Prodr. v. p. 166. Mexico {Hoenke). 86. Eupatorium Orizabae, Schz. Bip. in Herb. Liebm. n. 80. South Mexico, Orizaba, 10,000 to 11,000 feet {lAebmann, 80), Eeal del Monte, 8000 feet {Galeotti, 2440 ; Coulter, 255), valley of Mexico {Bourgeau, 844). Hb. Kew. 87. Eupatorium OValiflorum, Hook, et Am. Bot. Beech. Voy. p. 297. Mexico, without locality {Beechey). Hb Kew. 88. Eupatorium paniculatum, Schrad. Ind. Sem. Hort. Gcett. 1832, p. 2 ; DC. Prodr. v. p. 167. NoETH Mexico, Sierra Madre {Seemann, 2018) ; South Mexico, Jalapa {Linden, 1148) ; HoNDUEAS, Gulf of Fonseca {Sinclair). — ^Venezuela, Colombia, Peeu, Jamaica. Hb. Kew. 89. Eupatorium papantlense, Less, in Linnsea, vi. p. 403 ; DC. Prodr. v. p. 169. South Mexico, near Papantla {Schiede <& Beppe). 90. Eupatorium parryi, A. Gr. in Torr. Bot. Emory Exped. p. 75. NoETH Mexico, Sierra de Carmel, Chihuahua {Parry). Hb. Kew. 91. Eupatorium pazcuarense, H. B. K. Nov. Gen. et Sp. iv. p. 123. South Mexico, Pazcuaro, at 7800 feet {Humholdt & Bonpland). 92. Eupatorium petiolare, M05. in DC. Prodr. v. p. 166. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 343), without locality {Bates). Hb. Kew. COMPOSITE. 99 93. Eupatorium plectranthifolium, Benth. in Vidensk. Meddd. 1862, p. 76. Costa Eica, Naranjo (CSrsted, 63). Hb. Kew. 94. Eupatorium polybotryum, DC. Prodr. v. p. 174. Mexico {Ecenke). 95. Eupatorium popocatapetlense, Schl, (ubi publ. %). North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 346) ; South Mexico, Chiapas (Ghiesbreght, 529). Hb. Kew. 96. Eupatorium populifolium, H. B. K. Nov. Gen. et Sp. iv. p. 111. South Mexico, Orizaba {BoUeri, 1075), Yucatan and Tabasco (Johnson) ; Panama, Veraguas (Seemann). Hb. Kew. 97. Eupatorium porphyranthemum, A. Gr. Proc, Am. Acad. xv. p. 27. North Mexico, between San Luis Potosi and Tampico (Palmer, 1083). Hb. Kew. 98. Eupatorium prunellaBfolium, H. B. K. Nov. Gen. et Sp. iv. p. 123. South Mexico, near Ario, 4000 to 5000 feet (Humboldt d Bonpland). \l 99. Eupatorium psiadiaefolium, DC. Prodr. v, p. 144. Nicaragua, Chontales (Tate, 280). — Southward to Peru and Colombia. Hb. Kew.. 100. Eupatorium pulchellum, H. B.K. Nov. Gen. et Sp. iv. p. 119, t. 345. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 313) ; South Mexico, Chapultepec (BilimeJc, 531), valley of Mexico, near Lake Tezcuco, at 7000 feet (Humboldt & Bonpland), Santa Fe (Bourgeau, 948), Eeal del Monte to Zacatecas (Coulter, 226), without localities (Tate, Parkinson, Bates, Mackenzie, Aschen- horn). Hb. Kew. 101. Eupatorium pycnocephalum, Less, in Linnaea, vi. p. 404. South Mexico, Papantla (Schiede). Hb. Kew. 102. Eupatorium quadrangulare, DC. Prodr. v. p. 150. South Mexico, Tantoyuca (Berlandier, 215) ; Nicaragua, Granada ((Ersted), without exact locality (Barclay). Hb. Kew. V 103. Eupatorium quinquesetum, Benth. in Vidensk. Meddel. 1852, p. 79. Guatemala (Friedrichsthal) ; Nicaragua, Segovia ((Ersted). Hb. Kew. 104. Eupatorium rhodochlamydeum, A. Gr. in Proc Am. Acad. XV. p. 26. North Mexico, mountains east of San Luis Potosi (Palmar, 1082). Hb. Kew. 105. Eupatorium rhomboideum, H. B. K. Nov. Gen. et Sp. iv. p. 127. South Mexico, between Toluca and Tianguillo, at 9000 feet (Humboldt & Bon- pland). o2 100 COMPOSITE. 106. Eupatorium ripariam, Kegel, Gartenflora, XV. p. 324, t. 525. South Mexico, Mirador {lAebmann, 64 ; Linden, 1203), Cordillera of Vera Cruz, at 2500 feet (Galeotti, 2822), valley of Cordova {Bourgem, 1928). Hb. Kew. 107. Eupatorium rubricaule, H. B. K. Nov. Gen. et Sp. iv. p. 124. South Mexico, Santa Rosa de la Sierra, at 7800 feet {Humholdt & Bonpland). 108. Eupatorium sagittatum, A. Gr. Pi. Wright, i. p. 88. Califoknia. — NoETH MEXICO, Sonora Alta {Coulter, 252) ; South Mexico, between Mexico and Mazatlan {Gregg). Hb. Kew. yi09. Eupatorium ScMedeauum, Schrad. Ind, Sem. Hort. Gcett. 1832, p. 3 ; DC. Prodr. v. p. 159. Noeth Mexico, Sonora {Wright), Tampico {Berlandier) ; Nicaeagua, Eealejo {Sin- clair) ; Costa Eica, Cartago {(Ersted) ; Panama, Chiriqui {Seemann). Hb. Kew. 110. Eupatorium SChultzii, Schz. Bip. in Zeitschr. Gartenb. zu Darmstadt, 1857, p. 6. South Mexico, Orizaba {Botteri, 1113, 1116), Mirador {lAebmann, 41), valley of Cordova {Bourgeau, 1923), Vera Cruz {Linden, 1206). Hb. Kew. 111. Eupatorium SCOrodonioideS, A. Gr. in Proc. Am. Acad. XV. p. 27. Noeth Mexico, rocky hills near San Luis Potosi {Parry & Palmer, 336). Hb. Kew. 112. Eupatorium SChaffneri, Schz. Bip., ex A. Gr. in hb. Kew (ubi publ. 1). Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 345) Hb. Kew. V113. Eupatorium semialatum, Benth. Pi. Hartw. p. 76. South Mexico, woods near Vera Cruz, at 2000 feet {Galeotti, 2209J, Mirador {Linden, 1178), valley of Orizaba {Bourgeau, 3205 ; Botteri, 1141) ; Guatemala, Zunil Hartweg) ; Costa Rica, Cartago and Irazu, at 9000 feet {(Ersted, 45, 53). Hb. Kew. \ill4. Eupatorium sideritis, Benth. in Vidensk. Meddel. 1852, p. 77. Costa Eica, Ujaras {(Ersted, 255). \l5. Eupatorium siuclairii, Benth. in Vidensk. Meddel. 1852, p. 79. Guatemala {Friedrichsthal) ; Nicaragua, Realejo {(Ersted) ; Costa Rica, Nicoya {Sinclair), Cartago and San Jose {(Ersted, 49, 50), Angostura {Polakowsky) ; Panama, Empire railway-station {S. 'Hayes, 480). Hb. Kew. 116. Eupatorium sonorsB, A. Gr. Pi. Wright, ii. p. 74. Noeth Mexico, Sonora {Wright, 1148). Hb. Kew. 117. Eupatorium SOrdidum, Less, in Linnsea, vi. p. 403. South Mexico, Cuesta Grande de Chiconquiaco {Schiede & Beppe). COMPOSITE. 101 118. Eupatorimn spinacisBfoliuni, A. Gr. Pi. Wright, i. p. 86. Bulbostylis spinaciafolia, DC. Prodr. v. p. 139. Mexico, between Vittoria and Tula (JBerlandier). 119. Eupatorimn spirjesefolimn, Schz. Bip. in herb. Liebm. n. 73. South Mexico, Chapulco {Liebmann, 73), Guadalupe and Zacoalco {Bourgeau, 1416), Chapultepec {BilimeJc, 519). Hb. Kew. /^ 120. Eupatorium Splendens, Kl., ex Polak. in Linnsea, xli. p. 575. Costa Rica, Angostura, woods on the Eio Reventazon [Polakowsky). <^121. Eupatorium Stenolepis, Steetz in Seem. Bot. Voy. 'Herald,' p. 148. Panama, Santiago, Veraguas {Seemann, 1135). Hb. Kew. /\22. Eupatorium sternbergianum, DC. Prodr. v. p. 167. Centeal America, without locality {Barclay). — ^A very common plant on the western side of South Ambeica southward to Chili. Hb. Kew. 123. Eupatorium stillingiasfolium, DC. Prodr. v. p. 160. North Mexico, Tamaulipas {Berlandier), San Luis Potosi to Tampico {Palmer, 1084). Hb. Kew. ^24. Eupatorium SUbcordatum, Benth. in Vidensk. Meddel. 1852, p. 77. Costa Rica, Volcan de Irazu, at 8000 feet {(Ersted, 69). — Colombia. Hb. Kew. yiib. Eupatorium subobtusum, DC. Prodr. v. p. 161. Costa Rica, Sapoa and Tortuga {(Ersted) ; Panama {Cuming ; Halsted, 3). — Beazil. Hb. Kew. 126. Eupatorium tepicanum, Hemsley. Hebellinium tepicanum, Hook, et Am. Bot. Beech. Voy. p. 434. South Mexico, Tepic {Sinclair). Hb. Kew. 127. Eupatorium tetragonum, Schrad. Ind. Sem. Hort. Goett. 1830; DC. Prodr. V. p. 171. South Mexico, Mountains of Guanajuato. 128. Eupatorium thespesiaefolium, DC. Prodr. v. p. 164. Mexico {Karwinski). 129. Eupatorium thyrsoideum, Mo§. in. DC. Prodr. v. p. 150. Mexico {Mopino & SessS). Var. 1 /3. puberum, DC. loo. cit. p. 151. South Mexico, Chila, Puebla {Andrieux, 282). Hb. Kew. 130. Eupatorium tomenteUum, Schrad. Ind. Sem. Hort. GcEtt. 1833, p. 3 ; DC. Prodr. v. p. 184. South Mexico, Vera Cruz to Orizaba {Miiller, 667). Hb. Kew, 102 COMPOSITE. 131. Enpatorinm triangnlatum, Alam. in DC. Prodr. v. p. 172. Mexico [Mairet, Tate, Jurgensen). Hb. Kew. 132. Eupatorimn trinervium, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 300. North Mexico, Sierra Madre {Seemann, 2021). Hb. Kew. 133. Eupatorimn tubiflormn, Benth. PL Hartw. p. 76. South Mexico, Chiapas (Ghieshreght, 530), without localities {Tate, Parkinson, Jurgensen, 343) ; Guatemala, Zunil (Hartweg). Hb. Kew. 134. Eupatorimn turbinatum, A. Gr. in Proc. Am. Acad. XV. p. 26, NoETH Mexico, between San Luis Potosi and Tampico {Palmer, 1075). Hb. Kew. 135. Eupatorium vanillosmoides, Schz. Bip. in herb. Liebm, n, 43. South Mexico, Mirador {lAebmann, 43). Hb. Kew. 136. Eupatorimn viburnoides, DC. Prodr. v. p. 171. North Mexico, between Vittoria and Tula {Berlandier). Hb. Kew. A37, Eupatorium vitalba, DC. Prodr. v. p. 163. Guatemala {Friedrichsthal) ; Nicaragua, Chontales {Tate, 200) ; Panama {S. Hayes, 589). — Southward to Peru and Brazil. Hb. Kew. ^138. Eupatorimn vulcanicmn, Benth. in Vidensk. Meddel, 1852, p. 78, Costa Rica, Irazu, at 9000 feet {(Ersted, 39). Hb, Kew. 139. Eupatorium xalapense, H. B. K. Nov. Gen. et Sp. iv. p. 128. South Mexico, Jalapa, 4000 to 5000 feet {Humboldt & Bonpland). 25. BARROETEA, Barroetea, A. Gr. in Proc. Am. Acad. xv. p. 29, One herbaceous and one half-shrubby species, 1, Barroetea setosa, A, Gr, in Proc. Am. Acad, XV, p. 29. North Mexico, mountains south-east of the city of San Luis Potosi {Parry & Palmer, 353), Hb, Kew, 2, Barroetea SUbuligera, A. Gr. in Proc. Am. Acad, XV, p, 29, Bulbostylis suhuUgera, Schauer in Linnsea, xix. p. 718, Eupatorium? subuligerum, A, Gr. PI. Wright, i. p. 86. South Mexico, Zimapan {AscJienborn). 26. MIKANIA. Mikania, Willd. Sp, PI, iii, p. 1742 ; Benth. et Hook. Gen. Plant, ii. p. 246. About sixty shrubby and herbaceous species, aU of them inhabiting the warmer parts of America ; and one of them is also widely dispersed in Africa and Asia. COMPOSITE. 103 1. Mikania augnlata, La Llave in El Mosaico Mexicano et in Hook. Kew Journ. Bot. v. p. 78. South Mexico, abundant about Cordova [La Llave). 2. Mikania COriacea, La Llave in El Mosaico Mexicano et in Hook. Kew Journ. Bot. V. p. 77. South Mexico, Eio Blanco, south of Cordova {La Llave). 3. Mikania denticulata, Willd. Sp. Pi. iii. p. 1744 ; DC. Prodr. v. p. 198. Eupatorium denticulatum, Vahl, Symb. iii. p. 93. South Mexico, Jalapa (ex Lessing). — Guiana. '^4. Mikania eriophora, Schz. Bip. in herb. Liebm. n. 94. South Mexico, Mirador {Liehmann, 94). Hb. Kew. ^5. Mikania gonoclada, DC. Prodr. v. p. 199. North Mexico, San Luis Potosi to Tampico (Palmer, 1079} ; South Mexico, San Bias to Tepic (Coulter, 259), Orizaba (Botteri, 1117), Vera Cruz (GaleoUi, 2232; Linden, 1212); Guatemala, Alta Vera Paz, at 4300 feet (Turchheim, 409); Nicabagua, Chontales (Levy, 1365) ; Panama, Chagres (Fendler, 151). — Southward to Peru and in Cuba. Hb. Kew. Var. /3. ambigua, DC. Prodr. v. p. 199. North Mexico, Tampico de Tamaulipas (Berlandier). — Brazil. I 6. Mikania guaCO, Humb. et Bonpl. PI. iEquin. ii. p. 84, t. 105. Nicaragua, Chontales (Tate, 133, 246) ; Panama, Chagres (Fendler, 153), Empire station (aS'. Hayes, 507), Veraguas (Seemann). — Colombia ; Peru. Hb. Kew. ^^7. Mikania hookeriana, DC. Prodr. v. p. 195. Nicaragua, Chontales (Tate, 426) ; Panama, Prijoli railway-station (S. Hayes, 490). Hb. Kew. /8. Mikania houstonis, Willd. Sp. PI. iii. p. 1742 ; DC. Prodr. V. p. 190. Eupatorium houstonis, Lirm. Sp. PI. p. 1172. South Mexico, Vera Cruz (Linden, 1169), Yucatan and Tabasco (Johnson, 25); Guatemala, Las Escamillas (HaHweg, 535), Chojoja near Mazatenango (Bernoulli, 100) ; Panama, Barbacoas (S. Hayes). Hb. Kew. y 9. Mikania leiostachya, Benth. Pi. Hartw. p. 201. Panama (Seemann, 446).— Colombia, Peru. Hb. Kew. 10. Mikania pterocanla, Schz. Bip. in herb. Liebm. n. 101. South Mexico, Mirador (Liebmann, 101). Hb. Kew. 11. Mikania repanda, La Llave in El Mosaico Mexicano et in Hook. Kew Journ. Bot. v. p. 78. South Mexico, abundant about Cordova (La Llave). 104 COMPOSITE. 12. Mikania scandens, Willd. Sp. PI. iii. p. 1743; DC. Prodr. v. p. 199. scandens, Linn. Sp. PL p. 1171 j Jacq. Ic. Rar. t. 169. CAKOLmA southward. — Mexico, Tamaulipas (Berlavdier, 2272), valley of Cordova (Bourgeau, 1632), Orizaba {Botteri, 603, 1140), Vera Cruz {Linden, 1179) ; Nicaragua, Chontales {Seemann) ; Costa Eica {Endres) ; Panama, Chagres (Fendler, 159), Empire railway-station (S. Hayes, 448). — Colombia, Peru, and the West Indies. Hb. Kew. 13. Mikania suaveolens, H. B. K. Nov. Gen. et Sp. iv. p. 135. North Mexico, San Luis Potosi to Tampico {Palmer, 1115) ; South Mexico, Santa Barbara {Liehmann, 95), valley of Cordova {JBourgeau, 1812). — Colombia. Hb. Kew. 14. Mikania tlalixcoyan, La Llave in El Mosaico Mexicano et in Hook. Kew Journ. Bot. v. p. 79. South Mexico, Tlalixcoyan, Vera Cruz {La Llave). 27. BRICKELLIA. Brickellia, EU., ex Nutt. in Trans. Amer. Phil. Soc. ser. 2, vii. p. 287 ; Benth. et Hook. Gen. Plant, ii. p. 247. Herbs and undershrubs. About forty-five species, restricted to America, and having their greatest centre of concentration in Mexico. A few species occur in the southern, chiefly south-western. States of North America, and two in South America, one of the two being very common in Brazil. 1. Brickellia cylindracea, A. Gr. Pi. Lindh. ii. p. 218. Texas. — Mexico, Montezuma {Bourgeau, 1091). Hb. Kew. 2. Brickellia betonicaefolia, A. Gr. Pi. Wright, ii. p. 72. New Mexico. Var. hnmilis, A. Gr. loc. cit. North Mexico, between Babocomori and Santa Cruz, Sonora {Thurher). Hb. Kew. 3. Brickellia cavanillesii, A. Gr. Pi. Wright, i. p. 85. Bulbostylis cavanillesii, DC. Prodr. v. p. 138. Bulbostylis nepetcefolia, H. B. K. Nov. Gen. et Sp. iv. p. 112. Eupatorium squarrosum, Cav. Ic. i. p. 66, t. 98. Coleosanthus cavanillesii, Cass. Diet. x. p. 37. North Mexico, San Luis Potosi to Tampico {Palmer, 1087) ; South Mexico, Quere- taro {Berlandier), Tlalpuxahua {Graham, 35), Zimapan {Coulter, 241), Chapultepec {Schaffner), Cordillera of Oaxaca, at 5000 to 7000 feet {Galeotti, 1990). Hb. Kew. ^ 4. Brickellia corymbosa, A. Gr. Pi. Wright, i. p. 84. Clavigera scabra, Benth. PI. Hartw. p. 19. Clavigera corymbosa, DC. Prodr. v. p. 128. North Mexico, Cerro de Pinal and Sierra Madre {Seemann, 1466, 2017), San Luis COMPOSITE. 105 Potosi to Taro^pico (Palmer, 1077); South Mexico, Bolanos (iTar^we^), valley of Orizaba (JBourgeau, 3345; BoUeii, 1134); G\5kt^u&Lk {Skinner). Hb. Kew. 5. Brickellia COulteri, A. Gr. Pi. Wright, i. p. 86. California, Arizona. — ^North Mexico, San Luis Potosi to San Antonio {Parry, 358). Hb. Kew. 6. Brickellia cylindracea, A. Gr. PI. Lindh. ii. p. 218. Texas. — Mexico, Montezuma [Bourgeau, 1091). Hb. Kew. 7. Brickellia dentata, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 301. Clavigera dentata, DC. Prodr. v. p. 128. Brickellia laciniata, A. Gr. PI. Wright, i. p. 87. Brickellia riddellii, id. ib. p. 83. Texas. — ^North Mexico, Saltillo {Berlandier, Gregg), Santa Catarina, near Monterey {Berlandier, 1365), Sierra Madre {Seemann, 2035), San Luis Potosi to Tampico {Palmer, 1078). Hb. Kew. V^. Brickellia difEtisa, A. Gr. Pi. Wright, i. p. 86. Eupatorium diffusum, Vahl, Symb. iii. p. 94. Evpatorium capillare, Desv. in Ham. Fl. Ind. Occ. p. 1301. Eupatorium leptopodum, Gard. in Hook. Lond. Journ. Bot. t. p. 478. Bulbostylis diffusa, DC. Prodr. vii. p. 368. North Mexico, San Luis Potosi to Tampico {Palmer, 1086) ; South Mexico, valley of Cordova {Bourgeau, 2033); Guatemala {Friedrichsthal) ; Costa Rica, Cartago {(Ersted); Panama, Veraguas {Seemann, 1584). — Common southward to Peru and Brazil and in the West Indies. Hb. Kew. 9. Brickellia floribunda, A. Gr. Pi. Wright, ii. p. 72. North Mexico, Sonora {Wright). 10. Brickellia galeottii, A. Gr. Pi. Wright, i. p. 85. South Mexico, Orizaba {Galeotti, 2104; Botteri, 1115), Huatusco {lAelm/inn, 336). Hb^Kew. / 11. Brickellia hartwegi, A. Gr. Pi. Wright, i. p. 85. Eupatorium rigidum, Benth. PI. Hartw. p. 88. Guatemala, without localities {Hartweg, SJcinner, Friedrichsthal), Volcan de Puego, at 5300 feet {Salmn) ; Nicaragua, between Granada and Masaya {(Ersted) ; Costa Pica, Volcan el Viejo {(Ersted). Hb. Kew. 12. Brickellia kebecarpa, A. Gr. Pi. Wright, i. p. 85. Bulbostylis hebecarpa, DC. Prodr. v. p. 138. South Mexico, Jalisco {Beechey), without locality {T!}^e). Hb. Kew. 13. Brickellia hymenOClllaBna, A. Gr. in Proc. Am. Acad. xv. p. 29. North Mexico, near San Luis Potosi {Parry & Palmer, 349 ; Schaffner, 256) ; South Mexico, Zimapan {Coulter, 239). Hb. Kew, BIOL, cent.-ambr., Bot. Vol. XL, June 1881. p 106 COMPOSITiE. 14. Brickellia lanata, A. Gr. Pi. Wright, i. p. 84. Bulbostylis lanata, DC. Prodr. vii. p. 268. Bulbostylis rigida, Hook, et Arn. Bot. Beech. Voy. p. 297. South Mexico, west of Guanajuato {Mendez), Bolauos {Coulter, 237), without locality [Beechey). Hb. Kew. 15. Brickellia oliganthes, A. Gr. Pi. Wright, i. p. 84. Eupatorium oliganthes, Less, in Linnsea, v. p. 137, t. 2. fig. 13. Bulbostylis oliganthes, DC. Prodr. v. p. 139. NoKTH Mexico, Santa Cruz, Sonora {Wright), Sierra Madre {Seemarm, 2025), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 351) ; South Mexico, Hacienda de la Laguna {Schiede & Beppe), Mirador {Liebmann, 349, 350 ; Linden, 1152), Ori- zaba {Botteri, 1101). Hb. Kew. 16. Brickellia palmeri, A. Gr. in Proc. Am. Acad. XV. p. 30. North Mexico, near San Luis Potosi {Parry & Palmer, 354). Hb. Kew. 17. BrickeUia parryi, A. Gr. in Proc. Am. Acad. XV. p. 31. Noeth Mexico, high mountains south-east of San Luis Potosi {Parry & Palmer, 363). Hb. Kew. 18. Brickellia pendula, A. Gr. Pi. Wright, i. p. 85. Bulbostylis pendula, DC. Prodr. v. p. 138. Eupatorium pendulum, Schrad. Cat. Sem. Hort. Gott. 1830. South Mexico, valley of Mexico {Schaffner, 225), without locality {Bates). Hb. Kew* 19. Brickellia reticulata, A. Gr. PI. Wright, i. p. 84. Bulbostylis reticulata, DC. Prodr. vii. p. 268. Mexico {Hoenke). 20. BrickeUia rosalesia, Benth. at Hook. Gen. Plant, ii. p. 247. Rosalesia glandulosa. La Llav. et Lex. Nov. Veg. i. p. 9. Eupatorium rosalesia, DC. Prodr. v. p. 183. South Mexico, San Jose del Corral {La Llave) 21. Brickellia scoparia, A. Gr. Pi. Wright, i. p. 84. Clavigera scoparia, DC. Prodr. v. p. 128; Deless. Ic. Sel. iv. t. 12. Texas. — North Mexico, Sierra Madre {Seemann, 2008) ; South Mexico, San Andres (lAebmann, 236), Chiap-ds {GhiesbregJit, 553); Guatemala {Skinner). Hb. Kew. 22. Brickellia secundiflora, A. Gr. Pi. Wright, i. p. 85. Bulbostylis secundiflora, DC. Prodr. v. p. 138. Eupatorium secundiflorum. Lag. Nov. Gen. p. 25. Eupatorium nutans, H. B. K. Nov. Gen. et Sp. iv. p. 105 ? Mexico, between Tula and Tampico {Berlandier), between Toluca and Tianguillo, at about 9000 feet {Humboldt & Bonpland). COMPOSITE. 107 23. Brickellia seemanni, A. Gr, in Proc. Am. Acad. XV. p. 30, adnot. North Mexico, Sierra Madre (Seemann). Hb. Kew. 24. Brickellia simplex, A. Gr. Pi. Wright, ii. p. 73. North Mexico, Santa Cruz, Sonera {Wright, 1144). Hb. Kew. 25. Brickellia spinulosa, A. Gr. PL Wright, i, p. 84. Clavigera spinulosa, A. Gr. PI. Fendl. p. 63, adnot. North Mexico, near Chihuahua ( Gregg), region of San Luis Potosi {Parry & Palmer, 357). Hb. Kew. 26. Brickellia squamulosa, A. Gr. in Proc. Am. Acad. xv. p. 30. North Mexico, near San Luis Potosi {Parry & Palmer, 356). Hb. Kew. 27. Brickellia tenera, A. Gr. Pi. Wright, ii. p. 72. North Mexico, Santa Cruz, Sonora {Wright). 28. Brickellia thyrsiflora, A. Gr. in Proc. Am. Acad. xv. p. 30. North Mexico, mountains south-east of San Luis Potosi {Parry & Palmer, 362). Hb. Kew. 29. Brickellia tomentella, A. Gr. Pi. Wright, i. p. 85. South Mexico, Chapultepec {Schaffner), without localities {Tate, Mairet). Hb. Kew. 30. Brickellia veronicaefolia, A. Gr. Pi. Wright, i. p. 85. Eupatorium veroniecsfolium, H. B. K. iv. p. 112, t. 341. Bulbostylis veronicaefolia, DC. Prodr. v. p. 139. New Mexico. — North Mexico, Saltillo {Berlandier), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 351) ; South Mexico, Zacoalco and Guadalupe, valley of Mexico {Bourgeau, 1095, 1088), Tehuacan {lAebmann, 343), Acalcingo {Schaffner), Guanajuato {Berlandier), Real del Monte to Zacatecas {Coulter, 243), Cordillera of Oaxaca, at 5000 to 6500 feet {GaleoUi, 2104, 2105). Hb. Kew. 31. Brickellia wislizeni, A. Gr. Pi. Fendl. p. 64. New Mexico. — North Mexico, without locality {Wislizenus), Cerro de Pinal {See- mann, 1465). Hb. Kew. 32. Brickellia wrightii, A. Gr. Pi. Wright, ii. p. 72. New Mexico. — North Mexico, Sonora {Thurber). 33. Brickellia, sp. South Mexico, Cuemavaca {Bourgeau, 1216 ; BilimeJc, 579). Hb. Kew. 34. Brickellia, sp. South Mexico, Desierto Viejo {Bourgeau, 1227). Hb. Kew. ^ 35. Brickellia, sp. Guatemala {Friedrichsthal). Hb. Kew. p2 108 COMPOSITE 28. CAEPOCH^TE. Carpochate, A. Gr. PI. Fendl. p. 65, et PI. Wright, i. p. 89 ; Benth. et Hook. Gen. Plant, ii. p. 247. Three herbaceous or half-shrubby species are known. 1. CarpOChaete bigelovii, A. Gr. PL Wright, i. p. 89, adnot. NoETH Mexico, on the boundary of New Mexico {Bigelow). 2. Carpochsete grahami, A. Gr. Pi. Wright, i. p. 89, adnot. NoBTH Mexico, Sierra Madre {Seemann, 2039), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 329), without locality {Graham, 81). Hb. Kew. 3. Carpochsete wislizeni, A. Gr. Pi. Fendl. p. 65. NoETH Mexico, mountains near Cosiquiriachi {Wislizenus). 29. KUHNIA. Kuhnia, Linn. Gen. Plant, n. 237 ; Benth. et Hook. Gen. Plant, ii. p. 248. One variable species, a herb. 1. Elihnia enpatorioides, Linn. Sp. Pi. ed. 2, p. 1662 ; Linn, fil. Dec. ii. p. 21, t. 11 ; DC. Prod. v. p. 126. Kuhnia rosmarinifolia. Vent. Hort. Cels. t. 91. Eastern States of Noeth Ameeica, from New Jersey southward to Texas; New Mexico. — Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 364), Chiricahui mountains to Santa Cruz, Sonora {Wright) ; without locality, but probably from South Mexico {Aschenborn). Hb. Kew. 30. LIATKIS. Liatris, Schreb. Gen. Plant, p. 542 ; Benth. et Hook. Gen. Plant, ii. p. 248. An exclusively North-American genus, comprising about sixteen species, chiefly herbaceous. 1. Liatris pnnctata, Hook. Fl. Bor.-Am. i. p. 306, t. 55. Oeegon southward. — Noeth Mexico, San Luis Potosi to Tampico {Palmer, 1085). Hb. Kew. 31. CAKPHEPHOKUS. Carphephorus, Cass, in Bull. Philom. 1816 ; Benth. et Hook. Gen. Plant, ii. p. 249. About sis perennial species, restricted to North America. The Mexican species are doubtful. 1. Carphephorus revolutifolius, DC. Prodr. v. p. 133. Mexico {Hcenke). COMPOSITiE. 109 2. Carphephorus? triangularis, A. Gr. PI. Wright, i. p. 86. Bulbostylis triangularis, DC, Prodr. vii. p. 268. Mexico {Hcenke). Tribe III. ASTEROIDE^. Asteroidea, Benth. et Hook. Gen. Plant, ii. pp. 165, 174. Ninety-one genera ate referred to this tribe, which has the range of the whole order. Many of the genera are very numerous in species, some of which are arboreous. 32. GYMNOSPEEMA. Gymnosperma, Less. Syn. Comp. p. 194 ; Benth. et Hook. Gen. Plant, ii. p. 249. Selha, Spreng., non H. B. K., ex DC. Prodr. v. p. 311. An exclusively Mexican and Texan genus of undershrubs. 1. Gjnnnosperina corymbosmn, DC. Prodr. v. p. 312. Texas. — North Mexico, Santa Catarina, near Monterey {Berlandier, 1385), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 365), San Luis Potosi to Tampico {Palmer, 1088) ; South Mexico, Santa Fe {Bourgeau, 388), Chapulco {lAehmann, 268). Hb. Kew. 2. Grynmosperma eriocarpmn, A. Gr. Pi. Wright, i. p. 94. Texas. — Noeth Mexico, along the Eio Grande {Berlandier). Hb. Kew. 3. Gymnosperma multiflorum, DC. Prodr. v. p. 312. South Mexico, around the city of Mexico {Berlandier, 50), Cordillera of Oaxaca, 5000 to 7000 feet {Galeotti, 2145), Vera Cruz to Orizaba {Miiller, 1633), without localities {Jurgensen, 286, and several other collectors). Hb. Kew. 4. Gymnosperma scoparium, DC. Prodr. v. p. 312. North Mexico, San Luis Potosi {Berlandier, 1338). 33. XANTHOCEPHALUM. Xanthocephalum, Willd. in Ges. nat. Fr. Berl. Mag. 1807, p. 140; Benth. et Hook. Gen. Plant, ii. p. 249. Xanthocoma, H. B. K. Nov. Gen. et Sp. iv. p. 310, t. 412. Herbs and undershrubs. Besides the following there is one species in Ecuador, 1. Xanthocephalum alamani, Benth. et Hook. Gen. Plant, ii. p. 249. Gutierrezia alamani, A. Gr. PI. Wright, i. p. 91, adnot. Keerlia linearifolia, DC. Prodr. v. p. 310. Mexico {Alaman, Ghiesbreght, Mackenzie). Hb. Kew. Mackenzie's specimen in Kew Herbarium is probably an entire-leaved state of X. cen- tauroides, Willd. 110 COMPOSITiE. 2. Xanthocephalum benthamianmn, Hemsley, n. sp. Erectuin,puberuliiiii, foliis angustis pinnatifidis vel dentatis, capituKs multifloris corymbosis, invo- lucri bracteis subjequalibus herbaceis numerosis 2-3-seriatis glanduloso-puberulis, receptaculo convexo alveolate fimbriUifero, corollis parcissime puberulis, acheniis ecostatis glabns, pappo brevissimo aimuliforini. Herba facie Senecionis erucaformis, sed minus robusta, plus minusve glanduloso-puberula, eauLbus in exemplariis imperfectis nostris subsimplicibus, fere sesquipedalibus, totis foliosis. Folia (cau- lina tantum visa) alterna, sessiUa, hispidula, adscendentia, lanceolata, pinnatifida vel remote dentata, l-S-poUicaria. Capitula multiflora, 1-H poll, diametro, corymbosa; involucn braeteffi numerosae, 2-3-seriatEe, herbacese, margine membranaceae, subsequales, lanceolatse, acutse, glanduloso-puberulae ; receptaculum convexum, alveolatum, fimbrilliferum ; flores radii 30 et ultra, disci numerosissimi, omnes parcissime puberuli; coroUse ligulatse, graciliter tubu- losae, obtusse vel dentatse ; coroUse tubulosse gracUes. Achenia l^via, glabra, nitida, oblique ovata, a latere compressa j pappus subnullus, brevissimus, a.mivli£oTmi8.—X. bonplandianum, Benth. PI. Hartw. p. 16, non DC. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 526) ; South Mexico, Aguas Calientes {Eartweg). Hb. Kew. This differs from X. centauroides in its more robust habit, corymbose flovper-heads, involucre, pappus, &c. 3. Xanthocephalnm centaiiroides, Willd. in Ges. nat. Fr. Berl. Mag. 1807, p. 140. Xanthocephalum bonplandianum, DC. Prodr. vi. p. 44. Pyrethrum bonplandianum, H. B. K. Nov. Gen. et Sp. iv. p. 300. Grindelial cormopifolia, Lehm. Ind. Sem. Hort. Hamb. 1828, p. 16, et in Linnsea, v. p. 376; DC. Prodr. V. p. 316. South Mexico, near Valladolid {Humboldt & Bonpland), wet meadows near Mexico {Bourgeau, 369), valley of Mexico {Schaffner, 207, 278), without locality (Aschenborn). Hb. Kew. 4. Xanthocephalum conoideum, Hemsley, n. sp. Glabrum vel cito glabrescens, ramulis ultimis floriferis gracilibus, foliis linearibus, capitulis multi- floris subcorymbosis, involucri bracteis insequalibus albo-coriaceis apice incrassatis numerosis 2— 3-seriatis, receptaculo conoideo vel elongato, acheniis costatis tomentosis, pappo brevi annu- lato subcamoso. Herba (?) glabra vel cito glabrescens, ramulis ultimis floriferis gracilibus, angulatis. Folia ramu- lorum floriferorum alterna, sessilia, incrassata, enervia, linearia, usque pollicaria, integerrima, obtusa. Capitula multiflora, 6-9 lineas diametro, subcorymbosa ; involucri bractese uumerosae, 2-3-seriatse, insequales, exteriores minores, albo-coriacese, apice incrassatse, glabrae ; recepta- culum longe conoideum vel elongatum, alveolatum, fimbrilliferum ; flores radii 15-20, disci numerosissimi, omnes glabri ; corollse ligulatae breviter tubulosse, apice obtusse (an semper ?) : corollae tubulosse breves. Achenia 7-costata, tomentosa, oblonga; pappus brevis, annulatus, subcarnosus. South Mexico, Eeal del Monte to Zacatecas {Coulter, 299). Hb. Kew. The stature and habit of this species we are unable to describe ; but it is very different COMPOSITE. Ill from the other species, especially in its conoid or elongated receptacle. It is very near X. sericocarpum, A. Gr. 5. Xanthocephalum dentatum, Schauerin Linnsea, xix. p. 723. Mexico, without locality (Aschenborn). 6. Xanthocephalum gymnospermoides, Benth. et Hook. Gen. Plant, ii. p. 249. Gutierrezia? gymnospermoides, A. Gr. PI. Wright, ii. p. 79 j Bot. Mag. t. 5155. Grindeliopsis gymnospermoides, Schz. Bip. in Bonplandiaj 1858, p. 356, nomen tantum. Gunthera viscosa, E-egel, Gartenflora, 1858, p. 44. Akizona. — NoETH Mexico, San Pedro, Sonora {Wright), Camp Crittenden {Both- rock). Hb. Kew. 7. Xanthocephalum humile, Schz. Bip. in herb. Liebm. Xanthocoma humilis, H. B. K. Nov. Gen, et Sp. iv. p. 310, t. 412. NoKTH Mexico, region of San Luis Potosi, 6000 to 8000 feet [Parry & Palmer, 525) ; South Mexico, valley of Mexico {Bourgeau, 163 ; Schaffker), without localities [Graham, Aschenborn). Hb. Kew. 8. Xanthocephalum sericocarpum, A. Gr. in Proc. Am. Acad. xv. p. 31. NoBTH Mexico, near San Luis Potosi [Parry & Palmer, Schaffner). Hb. Kew. 9. Xanthocephalum suffruticosum, DC. Prodr. vi. p. 44. South Mexico, around the city of Mexico [Berlandier). Dr. A. Gray thinks this may be the same as X. centauroides. 34. GUTIEREEZIA. Gutierrezia, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 30 ; Benth. et Hook. Gen, Plant, ii. p. 250. Brachyris, Nutt. Gen. PI. N. Am. ii. p. 163. Brachyachyris, Spreng. Syst. iii. p. 574. A genus of about twenty herbaceous and half-shrubby species, inhabiting North America, including Mexico, and Extratropical South America. 1, Gutierrezia berlandieri, A. Gr. in Proc. Am. Acad. xv. p. 31. NoETH Mexico, region of San Luis Potosi [Berlandier, 1298 ; Parry & Palmer, 367, 370), Tamaulipas [Berlandier, 926, 2316), near Saltillo [Gregg, 538). Hb. Kew, 2. Gutierrezia COulteri, Hemsley, Diag. Pi. Nov. pars altera, p. 33, Herba annna (?), erects, striata, ultrapedalis, glabra, caule ramisque gracillimis, sulcatis. Folia pauca, sparsa, coriacea, linearia, 2-6 lin. longa, obtusa, margine involnta. Oapitula solitaria, terminalia, pedunculata, circiter 6-8 lin. diametro ; involucri bractese ovato-oblongae, scariosDe ; receptaculum conicum, foveolatum. Flores radii circiter 12 (achenio incluso), circiter 3 Hn. longi, disci 1^ lin. longi; pappi palese breviusculse, fissae. Achenia pubescentia. South Mexico, Zimapan [Coulter, 264). Hb. Kew. 112 COMPOSITE. 3. Gutierrezia eutliamise, Torr. & Gray, Fl. N. Am. ii. p. 123. EocKT Mountains southward to Texas.— Nokth Mexico, Chihuahua (Thurber). Hb. Kew. 4. Gutierrezia glutinosa, Benth. et Hook. Gen. Plant, ii. p. 250. Hemiachyris glutinosa, Schauer in Linnaea, xix. p. 734. Mexico, without localities {Aschenbom ; Gregg ; Coulter, 315). Hb. Kew. 5. Gutierrezia microcephala, A. Gr. PL Fendl. p. 74, adnot. Brachyris microcephala, DC. Prodr. v. p. 313, non Hook. Texas ; New Mexico.— North Mexico, Santa Maria de Charcas, near Saltillo (Ber- landier, 1378). Hb. Kew. 6. Gutierrezia sphaerocephala, A. Gr. PL Fendl. p. 73. Texas ; New Mexico.— North Mexico, El Paso to Chihuahua {Thurber). Hb. Kew. 7. Gutierrezia texana, Torr. & Gray, Fl. N. Am. ii. p. 194. Brachyris microcephala. Hook. Ic. PL t. 147, non DC. Arkansas ; Texas.— North Mexico, San Luis Potosi to San Antonio {Parry, 366). Hb. Kew. 8. Gutierrezia wrightii, A. Gr. PL Wright, ii. p. 78. North Mexico, Santa Cruz &c., Sonora ( Wright). 35. GRINDELIA. Grindelia, Willd. in Ges. nat. Ft. BerL Mag. 1807, p. 259; Benth. et Hook. Gen. Plant, ii. p. 250. About twenty herbaceous and half-shrubby species, inhabiting North America, including Mexico, and Extratropical South America. 1. Grindelia angUStifoIia, DC. ex Dunal, Mem. Mus. Hist. Nat. V. p. 48 ; Prodr. V. p. 315, non H. B.K. Grindelia dunalii, (duvalii) Sprang. Syst. iii. p. 575. Mexico. 2. Grindelia arguta, Schrad., ex DC. Prodr. V. p. 315. Grindelia angustifolia, H. B. K. Nov. Gen. et Sp. iv. p. 309 ; Bot. Eeg. t. 781, non Dunal. South Mexico, around VaUadolid, Michoacan, and Pazcuaro, at 6600 feet {Humboldt & Bonpland). Var. ], A. Gr. PL Wright, ii. p. 81. North Mexico, Sonora ( Wright). [Grindelia glutinosa, Dunal, est species Peruviana nee Mexicana, ex Benth. et Hook. Gen. Plant, ii. p. 250.] 3. Grindelia inuloides, Willd. in Ges. nat. Fr. BerL Mag. 1807, p. 261 ; DC. Prodr. V. p. 315. Demetria spathulata, Lag. Elench. Hort. Matr. 1814, p. 30. COMPOSITE. 113 Texas. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Farry & Palmer, 371), between Vittoria and Tula [Berlandier, 2186); South Mexico, Oaxaca {Andrieux, 271), near Morelia, 8000 feet {GaleoUi, 2416), Santa F6 {Bourgeau, 515). Hb. Kew. 4. Grindelia lamberti, G. Don in Loud. Hort. Brit. p. 350 ; DC. Prodr. v. p. 316. Mexico. 5. Grrindelia subdecurrens, DC. Prodr. v. p. 315. South Mexico, around Villalpando (Mendez). 36. PENTACH^TA. Pentachceta, Nutt. in Trans. Am. Phil. Soc. yii. p. 336 ; Benth. et Hook. Gen. Plant, ii. p. 251. Two small herbaceous species, one Californian and one Mexican. 1. Pentachaeta gracilis, Benth. in Hook. Ic. Pi. t. 1101. South Mexico, near Juquila, Zacatepec, 4000 to 6500 feet (Galeotti, 2057). 37. HETEEOTHECA. Heterotheca, Cass, in Bull. Philom. 1817; Benth. et Hook. Gen. Plant, ii. p. 251. About six herbaceous species, confined to North America, including Mexico. 1. Heterotheca chrysopsidis, DC. Prodr. v. p. 317. NoETH Mexico, around Saltillo {Berlandier, 1368), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 373). Hb. Kew. 2. Heterotheca inuloides, Cass. Diet. li. p. 460, ex DC. Prodr. V. p. 317. Diplocoma villosa, Don in Sweet's Brit. Fl. Gard. iii. t. 246. Doronicum mexicanum, Cerv. in Link et Otto, Abbild. t. 22. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 372); South Mexico, valley of Mexico {Bourgeau, 138; Schaffner, 249), Aguas Calientes {Hartweg, 109), Chinantla {Liebmann), Orizaba {Salle). Hb. Kew. 3. Heterotheca leptoglossa, DC. Prodr. v. p. 317. South Mexico, Leon, west of Guanajuato {Mendez). This is probably the same as H. chrysqpsidis, as the ray-achenes of the latter are some- times bald and sometimes pappose. 38. CHRYSOPSIS. Chrysopsis, Nutt. Gen. Plant. N. Am. ii. p. 150 ; Benth. et Hook. Gen. Plant, ii. p. 252. Hectorea, DC. Prodr. v. p. 95. Heyfeldera, Schz. Bip. in Flora, 1853, p. 35. BIOL. CEUT.-AMEE., Bot. Vol. XL, Jum 1881. 2 114 COMPOSITE. About twenty species of herbs and undersbrubs, restricted to North America, including Mexico. 1. ChrySOpsis foliosa, Nutt., var., A. Gr. PI. Wright, ii. p. 81. North Mexico, valley between the San Pedro and the Sonoita, Sonora (Wright). Hb. Kew. The typical plant is found in the South-eastern States, westward to Texas and New Mexico. -J2. ChrySOpsis graminifolia, Nutt. ex Torr. & Gray, Fl. N. Am. ii. p. 252. Diplopappus graminifolius, Less, in Linnseaj v. p. 310. Aplopappus gramineus, Benth. PI. Hartw. p. 65. Heyfeldera sericea, Schz. Bip. in FlorSj 1853, p. 36. Caeolina, southward to Texas. — Mexico, Mirador [Liehmann, 525 ; Linden, 1144, 1247), San Juan Eeagi {Eartweg, 476), Cordillera of Vera Cruz, 3000 feet (Galeotti, 2282) ; Guatemala, Barranca del Sapote (Bernoulli, 280). Hb. Kew. 3, ChrySOpsis oHganthes, Chapm. Fl. S. U. S. p. 216 ; j3. shaffneri, Schz. Bip. MSS. South Mexico, savannas near Cordova (Schaffner), Vera Cruz to Orizaba (Muller, 1792). Hb. Kew. The typical plant inhabits Florida. 4. ChrySOpsis, sp. (" C. villosce, Nutt. valde affinis," Benth. at Hook. Gen. Plant, ii. p. 252.) Hectorea viscosissima, DC. Prodr. v. p. 95. South Mexico, Real del Monte (Ecenke). 39. HAPLOPAPPUS. Haplopappus, Cass. Diet. Ivi. p. 168 (Aplopappus) ; Benth. et Hook. Gen. Plant, ii. p. 253. An exclusively American genus, comprising about sixty species of herbs and under- shrubs, inhabiting North America to Guatemala, and Chili and Patagonia. 1. Haplopappus gracilis, A. Gr. Pi. Fendl. p. 76 ; PI. Wright, ii. p. 81. Texas ; New Mexico. — North Mexico, near the San Pedro, Sonora, and valley of the Eio Grande (Wright). Hb. Kew. 2. Haplopappus phyllocephalus, DC. Prodr. v. p. 347. North Mexico, between San Fernando and Matamoras (Berlandier, 2278). Hb. Kew. 3. Haplopappus ramulosUS, DC. Prodr. V. p. 350. South Mexico, Tlalpuxahua (Keerl). 4. Haplopappus spinulosus, DC. Prodr. V. p. 347. EocKT MouifTAiNS to CALIFORNIA and Texas. — North Mexico, Chiricahui Mountains COMPOSITiE, 115 (Wright), Saltillo (Gregg), region of San Luis Potosi, 6000 to 8000 feet (Parr?/ & Palmer, 374), Zacatecas (Coulter, 297), Hb. Kew. 5. Haplopappus stoloniferus, DC. Prodr. v. p. 349. South Mexico, Peak of Orizaba, at 8000 to 12,000 feet (Galeotti, 2168 ; Linden, 493 ; lAebmann, 493), summit of San Felipe (Andrieux, 322), Desierto Viejo (JBourgeau, 832) ; Guatemala, crater of the Volcan de Agua, 12,300 feet (Hartweg), summit of Volcan de Fuego (Salvin & Godman), Volcan de Fuego, at 13,000 feet (Salvin). Hb. Kew. 40. BIGELOVIA. Bigelovia, DC. Prodr. v. p. 339; Benth. et Hook. Gen. Plant, ii. pp. 255, 536. Chrysothamnus, Natt. in Trans. Am. Phil. Soc. ser. 2, vii. p. 323. A wholly American genus, consisting of about twenty herbaceous and shrubby species, inhabiting the southern part of North America and the Andes of South America. Dr. Asa Gray has remodelled this genus. See Proc. Amer. Acad. viii. pp. 638-646, where he enumerates twenty-four species. 1. Bigelovia COronopifolia, A. Gr. in Proc. Am. Acad. viii. p. 639. Texas. — North Mexico, Sonora (Palmer). 2. Bigelovia hartwegi, A. Gr. in litt. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 376); South Mexico, Lagos (Hartweg, 114), without locahty (Gregg, 580). Hb. Kew. 3. Bigelovia OppositifoHa, A. Gr. in Proc. Am. Acad. xv. p. 32. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 359). Hb. Kew. 4. Bigelovia pulchella, A. Gr. in Proc. Am. Acad. viii. p. 643. Linosyris pulchella, A. Gr. PI. Wright, i. p. 96. New Mexico. — North Mexico, Chihuahua (Thurher). 5. Bigelovia veneta, A. Gr. in Proc. Am. Acad. viii. p. 638. Linosyris mexicana, Schl. Hort. Hal. t. 4. Aplopappus discoidem, DC. Prodr. v. p. 350. Baccharis veneta, H. B. K. Nov. Gen. et Sp. iv. p. 68. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 376); South Mexico, Guadalupe (Bilimek, 585), valley of Mexico (Schaffner), Tehuacan (lAehmann, 526), without localities (Bates, Shepherd, Mackenzie), Caernavaca (Humboldt & Bonpland). Hb. Kew. 6. Bigelovia wrightii, A. Gr. in Proc Am. Acad. viii. p. 639. Linosyris wrightii, hirtella et heterophylla, A. Gr. PI. Wright, i. p. 95. Texas. — North Mexico, Sonora and valley of the Eio Grande (Wright). ?2 116 COMPOSITE. 41. SOLIDAGO. Solidago, Linn. Gen. Plant, n. 995 ; Benth. et Hook. Gen. Plant, ii. p. 256. A genus of about eighty species, herbaceous or, in a few instances, woody at the base. They are nearly all North-American, one of them being also widely dispersed in temperate Europe and Asia. Two or three are common in Extratropical South America ; and one {S. mexicana, Linn. ■?) is naturalized C?) and very abundant in the Azores. 1. Solidago califomica, Nutt. in Trans. Am. Phil. Soc. n. s. vii. p. 238. California. — Noeth Mexico, Chihuahua (Thurber). 2. Solidago marshaUi, Eothr. in Bot. Wheeler's Surv. 1878, p. 146. Noeth Mexico, Chiricahua (Bothrock). 3. SoMagO mexicana, Linn. Sp. Pi. p. 879 ; H. B. K. Nov. Gen. et Sp. iv. p. 104 ; Torr. & Gray, PL N. Am. ii. p. 211. Solidago limonifolia, Pers. Syn. ii. p. 449. South Mexico, between Chalco and Chapultepec, at about 7000 feet {Humboldt & Bonpland). There is some uncertainty regarding the native country of the plant described by Linnaeus under this name ; and there are only cultivated specimens of it in the Kew herbarium. 4. Solidago Odora, Ait. Hort. Kew. ed. 1, iii. p. 214 ; Torr. & Gray, Fl. N. Am. ii. p. 219. Solidago puncticulat a, DC. Prodr. v. p. 332. Solidago gonoclada, DC. Prodr. v. p. 334 ? Canada southward. — Mexico, Zacuapan [Linden, 478), Jalapa, at 3000 feet [Galeotti, 2281), around the city of Mexico {Berlandier). — ^Also in Extratropical South America, on the west side. Hb. Kew. 5. Solidago paniculata, DC. Prodr. v. p. 340. Solidago mexicana, H. B. K. Nov. Gen. et Sp. iv. p. 104? Mexico (Alaman). 6. Solidago SCabrida, DC. Prodr. v. p. 331. Noeth Mexico, San Luis Potosi to Tampico (Palmer, 1098), valley of Mexico and Orizaba {Bourgeau, 376). Hb. Kew. 7. Solidago simplex, H. B. K. Nov. Gen. et Sp. iv. p. 103. South Mexico, near Santa Eosa, at 7800 feet [Humboldt & Bonpland). 8. Solidago Spathulata, DC. Prodr. v. p. 339. Mexico [Hcenke). COMPOSITiE. 117 9. Solidago velutina, DC. Prodr. v. p. 332. South Mexico, around the city of Mexico (Alaman, Berlandier), valley of Mexico {Schaffner, 252), Eeal del Monte {HcenTce) ; San Luis Potosi [Schaffner). Hb. Kew. 42. LESSINGIA. Lessingia, Cham, in Linnsea, iv. p. 203, t. 2. fig. 2 ; Benth. et Hook. Gen. Plant, ii. p. 257. Five species of slender herbs inhabiting California, and one of them extending into North-western Mexico. 1. Lessingia ramulosa, A. Gr. in Benth. Pi. Hartw. p. 314. California. — Noeth Mexico, near Sonora (Hartweg), San Kafael (American Expedi- tion). Hb. Kew. 43. EGLETES. Egletes, Cass, in Bull. Philom. 1817 ; Benth. et Hook. Gen. Plant, ii. p. 261. About six herbaceous species, restricted to Tropical and Subtropical America. 1. Egletes liebmanni, Schz. Bip. in herb. Liebm. n. 277. South Mexico, Papantla {Liehmann, 277), hills of the Antigua, Cordillera of Vera Cruz [Galeotti, 2263). Hb. Kew. ^2. Egletes Obovata, Benth. in Vidensk. Meddel. 1852, p. 103. Nicaragua, Granada {(Ersted, 83). Hb. Kew. 3. Egletes visCOSa, Less. Syn. p. 252 ; DC. Prodr. vi. p. 42. South Mexico, Yucatan and Tabasco [Johnson, 23); Nicaragua, Granada {(Ersted, 72, 73). — Southward to Brazil and in the West Ikdies. Hb. Kew. //4. Egletes, sp. British Honduras {Temple). Hb. Kew. 5. Egletes, sp. South Mexico, valley of Cordova {Bourgeau, 2117). Hb. Kew. This and the last may be E. viscosa. 44. APHANOSTEPHUS. Aphanostephus, DC. Prodr. v. p. 310 j Benth. et Hook. Gen. Plant, ii. p. 262. Four or five herbaceous species, inhabiting Mexico and the country immediately to the north. 1. Aphanostephus hmniUs, A. Gr. PI. Wright, i. p. 93. Aphanostephus arizonicus, A. Gr. in Proc. Am. Acad. xvi. p. 81. Egletes humilis, Torr. & Gray, M. N. Am. ii. p. 411. Leucopsidium humile, Benth. PI. Hartw. p. 18. Texas. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & 118 COMPOSITE. Palmer, 378), without locality {Gregg); South Mexico, Guadalupe {Bourgeau, bSQ), Leon (Harfweg), Eeal del Monte to Zacatecas (Coulter, 301). Hb. Kew. 2, Aphanostephus ramosissimus, DC. Prodr. v. p. 310. Egletes ramosissima, A. Gr. PL Fendl. p. 71. Aphanostephus riddellii, Torr. & Gray, Fl. N. Am. ii. p. 189. Tbxas. — North Mexico, Monterey and Buena Vista {Gregg). Hb. Kew. 3. Aphanostephus ramoSUS, A. Gr. in Proc. Am. Acad. xvi. p. 81. Keerlia ramosa, DO. Prod. v. p. 310. South Mexico, Tlalpujahua {Keerl). 45. BELLIS. Bellis, Linn. Gen. Plant, n. 962 ; Benth. et Hook. Gen. Plant, ii. p. 265. About eight herbaceous species, widely dispersed" in the northern hemisphere. 1. Bellis xanthocomoides, A. Gr. in litt. Br achy come xanthocomoides , Less, in Linnsea, is. p. 265. South Mexico, near La Joya {Sckiede & Beppe), Cerro Leon {Liebmann, 497). Hb. Kew. 2. Bellis mexicana, A. Gr. Pi. Wright, i. p. 93. South Mexico, between Mazatlan and Mexico {Gregg), Desierto Viejo, valley of Mexico {Bourgeau, 840). Hb. Kew. 46. TOWNSENDIA. Townsendia, Hook. PI. Bor.-Am. ii. p. 16, t. 119 ; Benth. et Hook. Gen. Plant, ii. p. 268. About eight species of herbs, inhabiting North America. 1. Townsendia mexicana, A. Gr. Pi. Fendl. p. 70. North Mexico, Saltillo and near Buena Vista {Gregg), plain of San Luis Potosi {Galeotti, 2430). Hb. Kew. 2. Townsendia StrigOSa, Nutt. in Trans. Am. Phil. Soc. n. s. vii. p. 305, et Torr. & Gray, Fl. N. Am. ii. p. 186. New Mexico. — North Mexico, Chihuahua. 47. DISTASIS. Distasis, DC. Prodr. v. p. 279 ; Benth. et Hook. Gen. Plant, ii. p. 268. Biplostelma, A. Gr. PI. Fendl. p. 72. Limited to the following herbaceous species : — 1. Distasis modesta, DC. Prodr. v. p. 279. Diplostelma bellioides, A. Gr. PI. Fendl. p. 73. Texas. — North Mexico, Monterey and Buena Vista {Gregg). Hb. Kew. COMPOSITE. 119 2. Distasis ? heterophylla, Hemsley, n. sp. Perennis, nana, multicaulis, foliis sessilibus angustis integris trifidis vel pinnatifidis, capitulis sub- globosis terminalibus multifloris, involucri bracteis fere sequalibus, ligulis minimis angustissimis, acheniis immaturis pilosulis, pappi paleis 4-5 laceratis, seta vel 1 (1-3 ex Benth. et Hook.). Herba perennis, basi suffmticosa, multicaulis, caulibus in exemplari Coulteriano unico 2^-85- poUicaribus, 1-capitatis. Folia sessilia, infra poUicaria, linearia, Integra, trifida vel pinnatifida, pilosa. Capitula terminalia, subglobosa, 4-5 lineas diametro, multiflora; involucri bractese numerosse, subaequales, 2-3-seriat8e, lineares, acutse, pilosse; receptaculum nudum, conicum; coroUse ligulatse 2-3-seriatse, minimse, angustissimse, stylum non superantes ; coroUse tubulosse, 4-5-mer8e. Achenia immatura pilosula, marginata; pappi paleie 4-5-lacerse, setaO vel interdum 1 (1-3 ex Beath. et Hook. loc. cit.), caducissima. South Mexico, Jalapa {Coulter, 406). Hb. Kew. 48. PSILACTIS. Psilactis, A. Gr. PI. Fendl. p. 71 ; Bentb. et Hook. Gen. Plant, ii. p. 269. Three slender herbaceous species, 1. Psilactis asteroides, A. Gr. Pi. Fendl. p. 72. Texas, New Mexico. — -North Mexico, llanos in the Sierra Madre, west of Chihuahua {Wislizenus). Hb. Kew. 2. Psilactis brevilingulata, Schz. Bip. ; Hemsley, Diag. PI. Nov. pars altera, p. 34. Herba annua, erecta, circiter sesquipedalis, puberula, superne parce ramosa, caule ramisque teretibus, striatis. Folia rigida, scabra, linearia, circiter poUicaria, sursum gradatim breviora, obtusa, interdum paucidentata. Capitula parva, solitaria, pedunculata ; involucri bractese angustae, 3-seriat8e, extus glanduloso-puberulse ; receptaculum planum, foveolatum. Flores radii brevis- simi, pappo ad annulum reducto ; disci tubulosi, pappo e setis circa 20 sequalibus. Achenia pubescentia. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 390) ; South Mexico, near Tacubaya {Schaffner). Hb. Kew. 3. Psilactis COulteri, A. Gr. Pi. Fendl. p. 72. Noeth Mexico, Sonora Alta {Coulter, 295). Hb, Kew. 49. ACHJ5T0GER0N. Achmtogeron, A. Gr. PI. Fendl. p. 72 et in Proc. Am. Acad. viii. p. 651 ; Benth. et Hook. Gen. Plant, ii. p. 1232. " Pappus simplex, coroniformis, e squamellis 4-6 basi plus minus coalitis, cset. Eriger.ontis." — A. Gr. 1. Achaetogeron galeottii, Gray, MSS. Ultrapedalis e radice perenni, birsutulus vel pubescens; foliis caulinis lanceolatis seu linearibus plerumque dentibus panels angustissimis patentibus instructis ; involucri bracteis sublanceolatis fere tomentosis ; ligulis parum 100 linearibus (albis) ; acheniis glabris, 2-4-nerviis, pappo bre- vissimo, 3-4-dentato (denticulis subulatis basi pariim coalitis) instructis. South Mexico, in woods on the peak of Orizaba {Galeotti, 2166), Sierra San Pedro Nolasco {Jurgensen, 227), Hb. Kew. 120 COMPOSITE. A slender and weak form, with smaller heads, fewer rays, and nearly entire cauline leaves (radical ones spatulate and serrate), is from Desierto Viejo {Bourgeau, 840). 2. Achgetogeron seemannii, A. Gr. in litt. Polyadidium seemannii, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 301. Boltonia seemannii, Benth. et Hook. Gen. Plant, ii. p. 269. North Mexico, Sierra Madre {Seemann, 2026). Hb. Kew. 3. Achaetogeron wislizeni, A. Gr. Pi. Fendl. p. 72. Facie Erigerontis pumili, subpedalis, hirsutus ; foliis omnibus linearibns trinerviis, imis inciso- dentatisj cseteris integerrimis ; involucri bracteis linearibus dorso villosis ; ligulis (albis) numero- sissimis (circa 400) angustissimis ; acheniis parce hirtellis^ 4-nerviis ; pappo conspicuo^ e paleis 5-6 laciniato-denticulatis, basi concretis. NoETH Mexico, Sierra Madre, west of Chihuahua ( Wislizenus). 50. BOLTONIA. Boltonia, Lher. Sert. Angl. p. 27 ; Benth. et Hook. Gen. Plant, ii. p. 269. About a dozen herbaceous species, inhabiting North America and Northern and Sub- tropical Asia. 1. Boltonia Campestris, Benth. et Hook. Gen. Plant, ii. p. 269. Dich 459), Zacatecas (Coulter, 372) ; South Mexico, Tacubaya, vaUey of Cordova, and valley of Orizaba (Bourgeau, 217, 1566, 3244) ; Guatemala (Bernoulli, 217). Hb. Kew. 9. Tithonia, sp. South Mexico, valley of Cordova (Bourgeau, 962). Hb. Kew. Perhaps a state of T. tuboeformis. 121. VIGUIERA. Viguiera, H. B. K. Nov. Gen. et Sp. iv. p. 234, t. 379 ; Bentli. at Hook. Gen. Plant, ii. p. 375. An exclusively American genus of about sixty herbaceous or half-shrubby species, dispersed from Mexico to Buenos Ayres. 1. Viguiera buddleiseformis, Benth. et Hook. Gen. Plant, ii. p. 375. Helianthus huddleieeformis, DC. Prodr. v. p. 588. Tithonia angmtifolia. Hook, et Arn. Bot. Beech. Voy. p. 435. NoETH Mexico, Cerro de Pinal (Seemann, 1481) ; South Mexico, Tepic (Sinclair), Tacubaya (Schaffner, 159), San Nicolas and Santa Fe (Bourgeau, 965, 965 bis), about Villalpando (Mendez), without locality (Bat^s, Tate, Mairet, &c.). Hb. Kew. 2. Viguiera canescens, DC. Prodr. v. p. 579. South Mexico, Leon, west of Guanajuato (Mendez). 3. Viguiera cordifolia, A. Gr. Pi. Wright, i. p. 107, ii. p. 88. New Mexico. — North Mexico, Santa Cruz, Sonora, and Chihuahua, common ( Wright). Hb. Kew. 4. Viguiera dentata, Spreng. Syst. iii. p. 15 ; DC. Prodr. V. p. 579. Helianthus dentatus, Cav. Ic. iii. p. lOj t. 220. Mexico. 5. Viguiera ezcelsa, Benth. et Hook. Gen. PI. ii. p. 375. Helianthus excelsus, WiUd. Sp. PI. iii. p. 2243. Tithonia esocelsa, DC. Prodr. v. p. 585. Helianthus giganteus, Cav. Ic. t. 219^ non Linn, nee Lour. BIOL, cent.-amee., Bot. Vol. II., Jmie 1881. 2 a 178 COMPOSITE. South Mexico, San Angel and Santa Fe, valley of Mexico {Bourgeau, 843, 599), between Mexico and Queretaro {Berlandier, 1265). Hb, Kew. 6. Viguiera grammatoglossa, DC. Prodr. v. p. 580. South Mexico, Tlalpujahua {Keerl). 7. Vigiiiera helianthoides, H. B. K. Nov. Gen. et Sp. iv. p. 226, t. 379. Viguiera lasea, DC. Prodr. v. p. 580 ; A. Gr. PI. Wright, ii. p. 89. Viguiera brevipes, DC. Prodr. v. p. 579. Viguiera texana, Torr. et Gr. Fl. N. Am. ii. p. 318. Texas ; Cuba. — Nokth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Tarry & Palmer, 471^) ; South Mexico, Tehuacan (Liebmann), San Nicolas, Cuantepec, and Chapultepec (Bourgeau, 960, 1076, 513). Hb. Kew. 8. Viguiera, s^A {Leighia% leptocephala, DC. Prodr. v. p. 582). Mexico ? 9. Viguiera linearis, Schz. Bip. MSS. in hb. Kew. LeigMa linearis, DC. Prodr. v. p. 581. Helianthus linearis, Cav. Ic. iii. p. 9, t. 218 ; Bot. Reg. t. 523. Helianthus squarrosus, H. B. K. Not. Gen. et Sp. iv. t. 377. North Mexico, region of San Luis Potosi, 6000 to 8000 feet [Parry & Palmer, 434, 455) ; South Mexico, Chapultepec {Bilimek, 535), Pedregal, Santa Fe, and Guadalupe (Bourgeau, 849, 847, 708), Tacubaya (Schaffner), Queretaro (N6e), Guanajuato, 6600 feet (Humboldt & Bonpland). Hb. Kew. 10. Viguiera oppositipes, DC. Prodr. v. p. 580. Mexico. 11. Viguiera pachycephala, Hemsley. Tithonia pachycephala, DC. Prodr. v. p. 585. South Mexico, Leon, west of Guanajuato (Mendez). 12. Viguiera prostrata, DC. Prodr. v. p. 679. Mexico ■? 13. Viguiera rugOSUS, Benth. et Hook. Gen. PI. ii. p. 375. Helianthus rugosus, Schauer in Linnsea, xix. p. 728. Mexico (Aschenhorn). Hb. Kew. 14. Viguiera seemannii, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 305. Nobth Mexico, Sierra Madre (Seemann, 2005), Hb. Kew. 15. Viguiera sessilfolia, DC. Prodr. v. p. 579. South Mexico, Tlalpujahua (Keerl), Villalpando (Mendez), without locality (ParJdn- son, Graham ?). Hb. Kew. COMPOSITE. 179 16. Vigniera sphasrocephala, Hemsley. Leighia spheerocephala, DC. Prodr. v. p. 583. Mexico (Alaman). 17. Viguiera triquetra, DC. Prodr. v. p. 579. South Mexico, near San Angel {Alaman, Berlandier, 827, 937). 18. Viguiera urtidformis, Hemsley. Ldghia urticiformis, DC. Prodr. v. p. 582. South Mexico, near Guanajuato (Mendez). 19. Viguiera, sp. South Mexico, valley of Mexico {Bowrgeau, 1222). Hb, Kew. 20. Viguiera, sp. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry <& Palmer, 467); South Mexico, Chapultepec (Bourgeau, 365). Hb. Kew. 122. HELIANTHUS. Helianthus, Linn. Gen. Plant, n. 979; Benth. et Hook. Gen. Plant, ii. p. 376. An exclusively American genus of herbs, comprising about fifty species, chiefly north temperate, but extending southward to Peru and Chili. 1. Helianthus amplexicaulis, DC. Prodr. v. p. 589. South Mexico, Leon, west of Guanajuato {Mendez). 2. Helianthus Cernua, Benth. et Hook. Gen. PI. ii. p. 376. FUmretma cernua, DC. Prodr. v. p. 593. Texas; New Mexico. — North Mexico, Saltillo {Gregg), Monterey to Lampasos {Berlandier, 1401), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 469). Hb. Kew. 3. Helianthus ciHaris, DC. Prodr. v. p. 587 ; A. Gr. in Proc. Amer. Acad. 1862, p. 164. Texas. — North Mexico, Sonora {Thurber). Hb. Kew. 4. Helianthus cornifolius, H. B. K. Nov. Gen. et Sp. iv. p. 223. South Mexico, Santa Rosa de la Sierra, at 8700 feet (Humboldt & Bonpland). 5. Helianthus laciniatus, A. Gr. Pi. Fendl. p. 84. North Mexico, valley of Nazas, Bolson de Mapimi, and west of Coahuila (Gregg), valley of San Luis Potosi (Schaffner). Hb. Kew. 6. Helianthus laurifolius, Benth. et Hook. Gen. PL ii. p. 376. Flourensia laurifolia, DC. Prodr. v. p. 592 ; Deless. Ic. Sel. iv. t. 35. North Mexico, between Vittoria and Tula (Berlandier, 2205), San Luis Potosi to Tampico (Palmer, 1109). Hb. Kew. 2a2 180 COMPOSITE. ^ 7. HeUanthus longeradiatus,.Bertol. Fl. Guat. p. 36; Waip. Kep. ii. p. 618. Guatemala, Volcan de Agua (Velasquez). 8. Heliauthus? mexicauus, Hemsley. Harpalium mexicanum, Walp. in Linnsea, xiv. p. 306 ; Rep. ii. p. 616. Mexico (Karwinski). 9. Helianthus micranthus, Spreng. Syst. iii. p. 618 ; DC. Prodr. V. p. 589. HeUanthus parviflorm, H. B. K. Nov. Gen. et Sp. iv. p. 222, t. 378. South Mexico, Santa Eosa, 8700 feet (Humboldt & Bmpland). 10. Helianthus OCCidentaliS, Eiddell, Suppl. Cat. Ohio PL p. 13 ; Terr. & Gray, Fl. N. Amer. ii. p. 323. Ohio to Wisconsin southward to Texas. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 460). Hb. Kew. 11. Helianthus OVatuS, Lehm. Ind. Sem. Hort. Hamb. 1828, p. 16, et in Linnsea, v. p. 376. Mexico. 12. Helianthus prsecOX, Engelm. & Gray, PI. Lindheim. i. p. 13. Texas. — North Mexico, around the city of Matamoros (Berlandier, 2354). Hb. Kew. 13. Helianthus quinqueradiatus, Cav. ic. iii. p. 38, t. 272; DC. Prodr. v. p. 590. Mexico. 14. Helianthus trilobatUS, Link, Enum. Hort. Ber. ii. p. 352 ; DC. Prodr. v. p. 591. Mexico. 15. Helianthus, sp. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 452). Hb. Kew. 16. Helianthus, sp. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmar, 453). Hb. Kew. 123. PEKYMENIUM. Fer^menmm, Schrad. Ind. Sem. Hort. Goett. 1830, ex DC. Prodr. v. p. 608; Benth. et Hook Gen Plant, ii. p. 377. About a dozen herbaceous and shrubby species, inhabiting America from Mexico to Peru, 1. Perymenium barclayanum, DC. Prodr. v. p, 6«9. Mexico. COMPOSITE. 181 2. Perymenium berlandieri, DC. Prodr. v. p. 608. South Mbxico, mountains of Guichilapa (Berlmdier, 1040). 3. Perymenium buphthalmoides, DC. Prodr. v. p. 609. Mexico (Alaman). 4. Perymenium cervantesii, DC. Prodr. v. p. 609. South Mexico, Santa Fe (JSourgeau, 378), Toluca, 8000 feet (Galeotti, 2415), Real del Monte (Coulter, 340), without locality {Graham). Hb. Kew. 5. Perymenium discolor, Schrad. Ind. Sem. Hort. Goett. 1830; DC. Prodr. v. p. 608, excl. synon. South Mexico, Oaxaca (Andrieu^, 305), Orizaba (J?o^^m, 893; Bourgeaw, 2927), Cordillera of Oaxaca, at 7000 feet (Galeotti, 1999). Hb. Kew. 6. Perymenium gracUe, Hemsley, n. sp. Foliis tenuibus minute strigillosis ovato-lanceolatis longiuscule graciliterque petiolatis, capitulis parvis paucifloris numerosis, pedunculis filiformibus, ligulis ssepe 5, acheniis punctulatis^ pappi aristis inter se liberis subsequalibus. Frvtex vel herba, ramis gracilibus^ subtetragonis^ obsolete puberulis. Folia graciliter petiolata, tenuia, ovato-lanceolata, usque ad 4 poll, longa, superiora gradatim minora^ acutissima, remote minuteque calloso-serrulata, utrinque minute scabrido-strigillosa ; petiolus usque ad semipolli- caris. Capitula numerosa, corymbosa (corymbis Miosis), parva (involucrum ad 2 liaeas longum et 1^ lineam latum), pauciflora ; pedimculi filiformes, ^-1 poll, longi ; iuvolucri braetese pluri- seriatse, coriaceo-scariosse, latae, obtusse, ciliatae, exteriores minores; receptaculum parvumj palese scariosae, complicatse, carinatse, laceratae, obtusse, floribus breviores ; ligulse ssepe 5, ad 4 lineas longse. Achenia subtetragona, compressa, glabra vel leviter puberula, punctulata, basi angustiora, caUosa; pappi aristae nimierosse, subsequales, caducissimse. South Mexico, San Cristobal, Orizaba (Bourgeau, 3206). Hb. Kew. ^ 7. Perymenium grande, Hemsley, n. sp. Kamis crassiusculis furfuraceis, foliis amplis longe petiolatis crenato-serratis, capitulis corymbosis, acheniis 3-3-alatis, alls sursTun productis pappo liberis, pappi aristis insequalibus basi connatis. Frutex vel herba, ramis crassiusculis, subtetragonis, sulcatis, furfuraceis. Folia membranacea, longe petiolata, ovata, usque ad 9 poll, longa, acuminata, obtusa, crenato-serrata, supra scabrida, subtus puberula, triplinervia, venis subtus elevatis ; petiolus usque ad 2 poll, longus. Capitula numerosa, ad sesquipoUicem diametro, in corymbos composites terminales foliosos dispositaj pedunculi breves j involueri bracteae 12-15, 8-4-seriatae, herbaceo-scariosae, puberulae, late ovatae, oblongae, obtusae, vel interiores fere liueares et glabrae ; receptaculum convexum ; paleae scariosse, complicatae, integrae, dorso alatae, floribus breviores ; ligulae ad 7 ; disci coroUae infim- dibuliformes, lobis leviter puberulis. Achenia radii 3-alata, disci 2-alata, compressa; alse cUio- latae, sursum productse, pappo liberae; pappi aristae numerosae, caducae, basi connatae, 2 ssepe longiores. Guatemala, Alta Veria Paz, on mountains around Coban, at 4300 feet (TurckheimJ. Hb. Kew. 182 COMPOSITE. 8. Ferymeniiun gynmolomoides, DC. Prodr. v. p. 609. lApotriche gymnolomoides, Less, in Linnsea, vi. p. 408. South Mexico, Misantla [Schiede & Beppe). 9. Ferymenium mendezii, DC. Prodr. v. p. 608. South Mexico, Villalpanda (Mendez). 10. Perymenium parvifolimn, A. Gr. in Proc. Am. Acad. xv. p. 36. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 475), Hb. Kew. 11. Ferymenium teuellum, A. Gr. in Proc. Amer. Acad. XV. p. 36. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry &Palmerf 450). Hb. Kew. 12. Ferymenium verbesinoides, DC. Prodr. v. p. 608. Mexico {Berlandier). ^ 13. Ferymenium, sp. Guatemala, near Coban, 4300 feet {TurcJcheim, 339). Hb. Kew. 14. Ferymenium, sp. 1 South Mexico, Chiapas &c. {Ghiesbreght, 563). Hb. Kew. 15. Ferymenium, sp. South Mexico, San Nicolas, valley of Mexico {Bourgeau, 964). Hb. Kew. 16. Ferymenium, sp. South Mexico, Oaxaca {Andrieux, 304). Hb. Kew. 17. Ferymenium, sp. South Mexico, Eeal del Monte {Coulter, 329). Hb. Kew. 124. MELANTHERA. Melanthera, Rohr. in Skrivt. Nat. Selsk. Kiobenh. ii. p. 213; Benth. et Hook. Gen. Plant, ii. p. 377, About eight herbaceous and shrubby species, inhabiting Tropical Africa and America. The species need revision. 1. Melanthera deltoidea. Rich, in Michx. Fl. Bor.-Am. ii. p. 106 (sub Melor mmthera) ; DC. Prodr. v. p. 545. Caka aspera, Jacq. Ic. PI. Rar. t. 583. South Mexico, Orizaba {Botferi, 1192 ; Bourgeau, 2653), valley of Cordova {Bour- geau, 1S78); Guatemala, Bio Qn&calate {Sakin) ; Nicabagua (Ta^e, 22, 169) j Costa EiCA, San Jose {(Ersted, 125); Panama, Chagres {Fendler, 164). — ^West Iitdies and north part of South Ameeica. Hb. Kew. COMPOSITE. 183 2. Melanthera hastata, Rich, in Michx. Fl. Bor.-Am. ii. p. 106 ; DC. Prodr. V. p. 545. Florida. — Mexico, Yucatan and Tabasco [Johnson) ; Nioaeagua {Tate, 170) ; Costa EiCA, San Jose {(Ersted) ; Panama, Chagres (Fendler, 165), Empire station (S. Hayes, 514). — ^West Indies and north part of South America. Hb. Kew. V 3. Melanthera lanceolata, Benth. in Vidensk. Meddel. 1852, p. 88. Costa Eica, Santa Eosa, Guanacaste {(Ersted, 120, 121). Hb. Kew. '/ 4. Melanthera microphyUa, Steetz in Seem. Bot. Voy. ' Herald,' p. 156. Panama, in pastures near the city of Panama {Seemann, 254). Hb. Kew. V 5. Melanthera oxylepis, DC. Prodr. v. p. 545. Honduras, Gulf of Fonseca {Sinclair) ; Nicaragua {(Ersted, 124). — ^Ecuador. Hb. Kew. 6. Melanthera, sp. South Mexico, Antigua, Vera Cruz {Linden, 1150, 1234 ; Galeotti, 2320), without locality {Jurgensen, 254). Hb. Kew. 125. ENCELIA. Encelia, Adans. Fam. ii. p. 128 ; Benth. et Hook. Gen. Plant, ii. p. 378, This genus is endemic in America ; and about twenty species are known, dispersed from Utah and California to Chili. 1. EnceUa (Gersea) albescens, A. Gr. in Proc. Amer. Acad. viii. p. 658. North Mexico, Sonora {Palmer). 2. Encelia amplexicanlls, Hemsley. Simsia amplexicaulis, Pars. Ench. ii. p. 478; DC. Prodr. v. p. 578. Coreopsis ampleooicaulis, Cav. Descr. PI. p. 226 ; Ait. Hort, Kew. v. p. 134. Mexico. 3. Encelia cordata, Hemsley. Simsia cordata, Cass. Diet. lix. p. 137 ; DC. Prodr. v. p. 578. Ximenesia cordata, H. B. K. Nov, Gen. et Sp. iv. p. 228. South Mexico, near Capula and Valladolid, Michoacan, 6300 feet {Hvmboldt & Bon- pland). 4. EnceHa exaristata, A. Gr. in litt. Simsia exaristata, A. Gr. PI. Wright, ii, p. 87. New Mexico. — North Mexico, Sonora {Wright); South Mexico, valley of Orizaba {Bourgeau, 3320). Hb. Kew. 5. EnceHa foetida, Hemsley. Simsia ficifolia, Pers. Ench. ii. p. 478 j DC. Prodr. v. p. 577. 184 COMPOSITE. Coreopsis fcetida, Cav. Ic. i. p. 55, t. 77. Ximenesia fmtida, Spreng. Syst. iii. p. 606. Mexico. Some of the specimens referred to E. mexicana may belong to this species ; or this may be the same species. 6. Encelia (Barrattia) ghiesbreghtii, A. Gr. in Proc. Amer. Acad. viii. p. 658. South Mexico, Chiapas ( Ghieshreght). \J 7. Encelia graudiflora, Hemsley, Simsia grandiflora, Benth. in Vidensk. Meddel. 1852, p. 92. Nicaragua, Volcan el Viejo {(Ersted, 100). Hb. Kew. 8. Encelia halimifolia, Cav. Ic. iii. p. 6, t. 210 ,- DC. Prodr. V, p. 567. " In Mexico ex Cav., sed verisim. potius in Peru." — DC. loc. cit. 9. EnceUa heterophylla, Hemsley. Simsia heterophylla, DC. Prodr. v. p. 577, non Cass. Ximenesia heterophylla, H. B. K. Nov. Gen. et Sp. iv. p. 227, t. 280. South Mexico, Zinepequaro, 5750 feet {Humboldt & JBonplmid), between Tampico and Keal del Monte {Berlandier, 442 ; Coulter, 261). Hb. Kew. 10. Encelia Mspida, Hemsley. Simsia hispida, Cass. Diet. lix. p. 137 ; DC. Prodr. v. p. 578. Ximenesia hispida, H. B. K. Nov. Gen. et Sp. iv. p. 227. South Mexico, Santa Eosa de la Sierra and VaUadoUd, 5750 feet {Humboldt & Bowpland). 11. Encelia lagascaefornds, A. Gr. in litt. Simsia lagascteformis, DC. Prodr. v. p. 577. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 472) ; South Mexico, Guanajuato {Hartweg). Hb. Kew. 12. Encelia mexicana, Mart., ex DC. Prodr. v. p. 578. Simsia auriculata, DC. Prodr. v. p. 577. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 471) ; South Mexico, around the city of Mexico {Berlandier, 850, 927), valley of Mexico {Bomgeau, 516, 850, 1078). Hb. Kew. 13. Encelia micropliylla, A. Gr. in Proc. Amer. Acad. xv. p. 37. North Mexico, near Saltillo {Parry & Palmer, 462). Hb, Kew. \J 14. Encelia polycephala, Hemsley. Simsia polycephala, Benth. in Vidensk. Meddel. 1852, p. 93. Nicaragua, between Sapoa and Tortuga {(Ersted, 160). Hb. Kew. COMPOSITE. 185 15. Encelia (? Simsia) sericea, Hemsiey, n. sp. Foliis ovato-lanceolatis subtus sericeo-tomentosis argenteis, floribus flavis, paleis puberulis sursum coloratisj acheniis 2- rarius 3-aristatis appresse hirsutis. Herba ?, ramis teretibus, parce purpuraceo-puberulis. Folia opposita vel superiora tantum alterna, breviter petiolata, crassiuscula, ovato-lanceolata, 1^-2-polIicaria, remote obscureque calloso- serrulata^ acutiuscula, subtrinervia, supra densissime strigilloso-hirsuta, subtus densissime sericeo-tomentosa, argentea. Capitula pauca, corymbosa, vix 1 poll, diametro, homochroma^ flava ; pedunculi breves ; involucri braetese hirsutae, 2-3-seriat8e, lineari-lanceolatse, acutae, exte- riores breviores; receptaculum parvum, convexum; palese scarioso-herbaceae, complicatse, integrae, acutissimae, extus puberulae, sursum coloratae, flores aequantes vel paullo excedentes ; ligulae ad 7, latae, neutrae ; coroUae disci infundibuliformes (basi tantum angustae), puberulae. Achenia appresse hirsuta, maximam partem compressa, 2-aristata, angulis ciliatis, nounulla (exteriora disci ?) S-aristata^ 3-angulata ; pappi aristae subaequales, pilosulae, corollis dimidio breviores, Guatemala, Motagua valley (Salvin & Godman, 133). Hb. Kew. 16. Encelia sauguinea, Hemsiey. Simsia sanguinea, A. Gr. PI. Wright, i. p. 107. South Mexico, Mirador, Consoquitla (Idebmann, 492 ; Linden, 1146), Cordillera of Oaxaca, 5000 to 7000 feet {Galeotti, 2092). Hb. Kew. 17. Encelia subaristata, A. Gr. in litt. Simsia subaristata, A. Gr. PL Fendl. p. 84. NoKTH Mexico, Bishop's Hill, near Monterey (Gregg). 126. HELIANTHELLA. Helianthella, Torr. & Gr. Fl. N. Amer. ii. p. 333; Benth. et Hook. Gen. Plant, ii. p. 378. Besides the following, there are six or seven North-American species ; they are her- baceous plants. 1. Helianthella mexicana, A. Gr. in Proc. Amer. Acad. XV. p. 37. NoKTH Mexico, valley of San Luis Potosi (Parry & Palmer, 463). Hb. Kew. 127. ACTINOMERIS. Adinomeris, Nutt. Gen. PI. N. Amer. ii. p. 181 ; Benth. et Hook. Gen. Plant, ii. p. 379. About ten herbaceous species, confined to North America, including Mexico. 1. Actinomeris longifolia, A. Gr. Pi. Wright, ii. p. 89. NoETH Mexico, Sonera {Wright). Hb. Kew. 2. Actinomeris OVata, Nutt. Gen. Am. ii. p. 181 in adnot (nomen tantum). Coreopsis ovata, Cav. Ic. iii. p. 41, t. 280 (descr. infra amplif.) . Caulibus late alatis, foliis altemis decurrentibus ovato-oblongis, capitulis densiuscule corymbosis, involucri bracteis coriaceo-herbaceis, interioribus paleisque caUoso-acuminatis, corollis pilosulis, acheniis breviter 2-1-aristatis nonnuUis muticis. BIOL. CENT.-AMBE., Bot. Vol. II., Jwie 1881. 2 h 186 COMPOSITE. Herba, caulibus simplicibus (?) late alatis. Folia alterna, sessilia/membranacea, longe decurrentia, ovato-oblonga, 3-4 poll, lougaj obtusiuacula, calloso-serrulata, utrinque bispidula. Capitula densiuscule corymbosa, breviter pedunculataj corymbis pleiocephalis, compositis, terminalibus ; involucri bractese S-seriatsej coriaceo-herbacese, hispidulse, exteriores obovato-oblongse, rotundatse, interiores calloso-acuminatse j receptaculum convexum vel fere conicum ; palese latse, compU- catse, leviter puberulse, glabrescentes, sursum coloratse, maculate, apice incrassatse, acuminatse, floribus pauUo breviores. Mores radii neutri ; ligulse latse, tubo pilosulae. Flares disci numerosi ; corollse inf undibuliformes, basi dilatatse, pilosulse. Achenia compressa, marginibus ciliolatis ; pappi aristae ssepissime 2, breves, interdum 1, vel acbenia florum exteriorum nonnullorum mutica. South Mexico, Real del Monte {Coulter, 363). Hb. Kew. ' "We had described this as a new species, but afterwards identified it with Cavanille's figure. As his description is incomplete, we let ours stand. 3. Actinomeris striata, Hemsley, n. sp. Caulibus simplicibus gracilibus, foliis parvis sessilibus confertis subappressis fere Hnearibus, capitulis simpliciter corymbosis longiuscule pedunculatis, involucri bracteis 1-seriatis herbaceis, rece- ptaculo elongato-conico, acbeniis late alatis. Herba, caulibus simplicibus, elongatis (usque a 2-pedalibus) gracilibus, pilosulis, striatis, sursum interdum subaphyllis. Folia conferta, adscendentia vel subappressa, sessilia, nee decurrentia, membranacea, linearia, Hneari-oblonga vel interdum lanceolato-oblonga, saepius lJ-2 poll, longa, superiora gradatim breviora, obtusiuscula, subintegra, supra scabrida, subtus pubescentia vel villosula. Capitula mediocria, simpliciter corymbosa, longiuscule pedunculata, corymTiis ssepius 4-8-cephalis ; involucri bractese l-2-seriat8e, herbaceae, pUosulse, lineari-oblongae vel obovatse ; receptaculum elongato-conicum ; palese scariosae, complicatae, apice coloratse, incrassatse, pilosulae ; corollae disci infundibuliformes, pilosae. Achenia glabra, nigra, late alata, 2-aristata. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parr^ & Palmer, 461) ; South Mexico, Eeal del Monte {Coulter, 362), Orizaba {Botteri, 1131 ; Bourgeau, 2687). Hb. Kew. 4. Actinomeris tetragona, DC. Prodr. v. p. 576. South Mexico, around the city of Mexico {Ataman). 5. Actinomeris tetraptera, DC. Prodr. v. p. 575. Coreopsis alata, Cav. Ic. iii. t. 260. Helianthus tetrapterus, Ort. Dec. vi. p. 74. Pterophyton alatum, Cass. Diet. xliv. p. 49. Verbesina scabra, Benth. PI. Hartw. p. 41. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 473^) ; South Mexico, valley of Cordova {Bourgeau, 2929), Orizaba {SalU), Zimapan {Coulter, 370), Zitaquaro {Hartweg, 315), valley of Mexico {Bourgeau, 604). Hb. Kew. 6. Actinomeris wrightii, A. Gr. Pl. Pendl. p. 85. Texas.— North Mexico, Camp Bowie, South Arizona {EothrocJc). ^OMPOSIT^. Ig7 128. VERBESINA. Verbesina, Linn. Gen. Plant, n. 975, ex parte; Benth. et Hook. Gen. Plant, ii. p. 379. An American genus, comprising about fifty herbaceous, half-shrubby, and shrubby species, rangiiig from Virginia to Buenos Ayres. A few species have become naturaUzed in the Old World. 1. Verbesina alata, Linn. Sp. Pl. p. 1270; DC. Prodr. v. p. 379; Bot. Mag. t. 1716. Hamalium alatum, Cass. Diet. xx. p. 261. Mexico (according to Be Candolle and Griseiach).—W^si: Indies and north part of South America. We have seen no Mexican specimens. ^2. Verbesina argentea, Bertol. Fl. Guat. p. 35; Walp. Eep. ii. p. 621. Guatemala, Volcan de Agua ( Velasquez). 3. Verbesina anriculata, DC. Prodr. v. p. 617. South Mexico, near Tehuantepec {Andrieux 302), Acatlan (ffahn). Hb. Kew. 4. Verbesina capitaneja, Nees in Llnnsea, xix. p. 729. Actinomeris pedunculosa, DC. Prodr. v. p. 576. NoKTH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 473); South Mexico, Zimapan {Coulter, 341), Santa Fe, valley of Mexico {Bourgeau, 377). Hb. Kew. 5. Verbesina crocata, Less. Synop. p. 232 ; DC. Prodr. v. p. 617. Bidens crocata, Oav. le. t. 99. Spilanthes crocata, Sims, Bot. Mag. t. 1627. Platypteris crocata, H. B. K. Nov. Gen. et Sp. iv. p. 201. South Mexico, Cuemavaca {Bourgeau, 1220), Maloapan {Liehmann, 480), Orizaba {Botteri, 1097) ; Costa Rica {(Ersted). Hb. Kew. 6. Verbesina encelioides, Benth. et Hook. Gen. Plant, ii. p. 380. Ximenesia encelioides, Cav. Ic. ii. p. 60, 1. 178. CAROLiJiTA ; Florida ; New Mexico. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 468), around Matamoros {Berlandier), without locality {Gregg). — ^West Indies and South America ; also widely naturalized in the tropics of the Olp^orld. Hb. Kew. y^. Verbesina (§ Platypteris) fraseri, Hemsiey, n. sp. (Tab. XLVIII.) Scandens, caulibus 4-alatis, foliis oppositis saepiua deltoideo-ovatis, capitulis discoideis multifloris subglobosis, involucri bracteis latis reflexis, paleis apice incrassatis, acheniis late alatis cordi- formibus. Frutex scandens, caulibus crassiusculis, 4-alatis, ramulis patentissimis. Folia opposita, longiuscule 252 188 COMPOSITE, petiolata, deltoideo-ovata vel oblonga, 1^ poll, longa, acuta, basi cuneata vel fere truncata, calloso-dentata vel duplicato-dentata, supra scabra, subtus pubescentia vel scabridula. Capi- tula discoidea, subglobosa, usque ad 1^ poll, diametro, terminalia, solitaria vel 3-3 aggregata, longinscule pedunculata j involucri bractese 3-4-seriatse, exteriores amplse, oblongo-obovatse, recurvse vel patentes, scabridse ; receptaculum convexum ; palese scariosse, ciliolatae, carinatse, acumiuatse, apice incrassatse, floribus breviores ; coroUae cylindricse, puberulse. Achenia late alata, cordiformia, 2-aristata. Guatemala, Duefias {Fraser, Salvin & Godman). Hb. Kew. EXPLANATION OF TAB. XLVIII. Fig. 1, a flower; 2, a palet; 3, a stamen; 4, a style; 5, an achene : all enlarged. r« 8. Verbesina gigantea, Jacq. Ic. Ear. i. 1. 175 ; DC. Prodr. V. p. 615. 'Panama, near the city of Panama (Seemann, 442), Empire station (iS. Hayes). — West Indies. Hb. Kew. 9. Verbesina grayi, Benth. et Hook. Gen. Plant, ii. p. 373, Zexmenia grayi, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 305. NoBTH Mexico, Sierra Madre {Seemann, 2004). Hb. Kew. 10. Verbesina hypoleuca, A. Gr. in Proc Amer. Acad. XV. p. 37. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer). Hb. Kew. 11. Verbesina longipes, Hemsley, n. sp. Gracilis, foliis oppositis rhomboideo-ovatis grosse crenatis, capitulis radiatis solitariis terminalibus longe pedunculatis, involucri bracteis angustis, acheniis immaturis breviter 3-cornutis. Herba ?, caulibus vel ramis gracilibus, teretibus, apteris, puberulis, internodiis quam folia longioribus. Folia opposita, sessilia, rhomboideo-ovata, 3-2^ poll, longa, obtusa vel rotundata, basi semiam- plexicaulia, grosse serrata, supra scabra, subtus scabridula. Capitula radiata, ad IJ poll, diametro, solitaria, terminalia, pedunculo ad 6 poll, longo ; involucri bractese 3-3-seriat8e, exteriores breviores, scabridse, oblongse, obtusse, interiores subscariosse, acutse ; receptaculum convexum ; palese scariosse, complicatse, acutse, flores fere sequantes ; coroUse cylindricse, leviter puberulse. Achenia immatura glabra, breviter 3-cornuta. Mexico {Coulter, 342). Hb. Kew. /n. Verbesina microcephala, Benth. in Vidensk. Meddel. 1852, p. 98. South Mexico, Mirador {Linden, 1173), Cordillera of Oaxaca, 3000 to 4000 feet {Galeotti, 2012), Lobani {Liehmann, 333), Orizaba {Salle) ; Costa Eica, mountains of Candelaria {(Ersted). Hb. Kew. 13. Verbesina mollis, H. B. K. Nov. Gen. et Sp. iv. p. 203. South Mexico, between Guanajuato and Villalpando, 7200 feet {Humboldt & Pan- plandj, Cordillera of Oaxaca, 6500 feet {Galeotti, 2002). Hb. Kew. 14. Verbesina neriifolia, Hemsley, n. sp. Fruticosa, ramis anguste alatis, foliis alternis elongatis lineari-lanceolatis, supra obsolete puberulis COMPOSITE, 189 subtus argenteo-tomentosis, capitulis radiatis in apicibus ramorum corymbosis, pedunculis quam folia brevioribus, involucri bracteis linearibus sericeo-tomentosis^ acheniis immaturis longe 2-aristatis, radii l-aristatis. i'Vatea? 4-5-pedalis {Ghiesbrechtio) , ramis crassiusculis, anguste alatis, minutissime puberulis. Folia alterna, subsessilia, crassiuscula, lineari-lanceolata, usque ad 6 poll, longa, utrinque valde attenuata, acuta, integra, supra obsolete puberula, supra viridia, costa venisque pallida^ subtus argenteo-tomentosa. Capitula radiata, 1-1^ poll, diametro, in apicibus ramorum corymbosa ; pedunculi alati, 1-2 poll, longi ; involucri bractese 3-4-seriatsej exteriores longiores, lineari- lanceolatse^ sericeo-tomentosse ; receptaculum fere hemisphsericum ; paleae scariosse, complicatse, acufae, ciliolatse, floribus breviores ; corollse disci cylindricse, basi leriter puberuUe. Achenia (immatura tantum visa) radii 1-aristata (an semper?), disci longe 2-aristata. South Mexico, Chiapas &c. (Ghieshreght, 528). Hb. Kew. 15. Verbesina oazacana, DC. Prodr. v. p. 614. South Mexico, near Tehuantepec, Oaxaca (Andrieux, 301) ; sandhills of the Antigua (Galeotti, 2266), Mirador (Linden, 1157). Hb. Kew. Linden and Galeotti's specimens may be specifically distinct from Andrieux's. / 16. Verl3esina oerstediana, Benth. in Vidensk. Meddel. 1852, p. 96. Costa Kica, Volcan Irazu, 8000 to 9500 feet {(Ersted). Hb. Kew. 17. Verbesina ovatifolia, A. Gr., ubi 1 South Mexico, Chiapas &c. [Ghieshreght, 523). Hb. Kew. AUied to V. crocata and V. fraseri. ^18. Verbesina pallens, Benth. Vidensk. Meddel. 1852, p. 97. Costa Rica, Volcan el Viejo, 3000 feet {(Ersted). Hb. Kew. 19. Verbesina pauciflora, Hemsley. Caulibus apteris, foKis oppositis lanceolato-oblongis, capitulis discoideis numerosissimis ad 9-floria trichotomo-corymbosis, involucri bracteis ad 6 quam flores multo brevioribus, acheniis longe 2-aristatis alatis, alis ciliolatis. Herba vel frutex, ramis crassiusculis, apteris, glabris. Folia opposita, breviter petiolata, mem- branacea, lanceoleto-oblonga, usque ad 6 poll, longa, acuminata, vix acuta, supra scabridula, subtus pubescens. Capitula discoidea, parva, ssepius 9-flora, numerosissima, trichotomo- corymbosa, corymbis densis, terminalibus ; involucri bractese ad 6, 2-seriat8e, herbaceae, hirsutae, oblongse, obtusse, floribus multo breviores, exteriores breviores; receptaculum parvum, convexum; palese membranaceo-scariosse, latae, complicatse, acutse, ciliatse, floribus breviores ; corollas cylin- dricse, glabrEe. Achenia obovata vel fere cordiformia, parce puberula, distincte alata, ciliata, 2-aristata, aristis longis divaricatis. North Mexico, Cerro de Pinal (Seemann, 1468). Hb. Kew. 20. Verbesina persicifolia, DC. Prodr. v. p. 614. North Mexico, between Santander and Victoria {Berlandier, 2209) ; South Mexico ?, San Nicolas (Bourgeau, 967), Desierto Viejo (Bourgeau, 829), without locality (Tate, ParJcinson). Hb. Kew. 190 COMPOSITE. 21. Verbesina pinnatifida, Cav. Ic. i. p. 67, 1. 100 j DC. Prodr. v, p. 615: Verhesina nicaraffuensis, Benth. in Vidensk. Meddel. 1853, p. 97. South Mexico, Cuernavaca and Orizaba (JBourgeau, 1210, 3208), without locality [Mairet, 73; Tate, 76), Tepic {Sinclair); Nicabagua, between Granada and Masaya {(Ersted, 162). Hb. Kew. 22. Verbesina podocephala, A. Gr. PL Wright, ii. p. 92. North Mexico, Sonera {Wright), Chiricahui Mountains {Bothroch). Hb. Kew. 23. Verbesina pterocaula, DC. Prodr. v. p. 616 ; Caiques des Dess. Fl. Mex. 597. Mexico, without locality {Shepherd, Bates, Tate, 75 ; Mairet, 74). Hb. Kew, 24. Verbesina salicifolia, H. B. K. Nov. Gen. et Sp. iii. p. 205. South Mexico, near Jalapa, at about 5000 feet {Humboldt & Bonpland), Chimalpa {Bilimek, 591), Tacubaya {Schaffner). Hb. Kew. If the specimens are correctly named, this is not different from V. virgata, Cav. 25. Verbesina seemannii, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 306. North Mexico, Sierra Madre {Seemamn, 2027). Hb. Kew. 26. Verbesina sericea, Kunth et Bouche in Ind. Sem. Hort. Berol. 1848; Walp. Ann. ii. p. 867. Mexico. 27. Verbesina serrata, Cav. Ic iii. p. 7, t. 214 ; DC. Prodr. V. p. 613. South Mexico, between Temascatio and Guanajuato {Hwmboldt & Bon^land), Aguas Calientes {Eartweg). — Cuba. Hb. Kew. 28. Verbesina SOroriaj A. Gr. in Proc. Amer. Acad. XV. p. 37. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 466). Hb. Kew. W9. Verbesina sublobata, Benth; Pi. Hartw. p. 76. Guatemala, Zunil {Hartweg, 536), Volcan de Fuego, 5000 feet {Salvin). Hb. Kew. 30. Verbesina Virgata, Cav. Ic. iii. p. 38, t. 275 ; DC. Prodr. v. p. 616. Mexico, without locality {N6e, Mairet, Alaman, Graham), San Nicolas {Bourgeau, 963). Hb. Kew. Var. 1 COnyzoides, DC. Prodr. v. p. 616 ; Caiques des Dess. Fl. Mex. 596. South Mexico, Vera Cruz to Orizaba {Muller, 1272). Hb. Kew. 31. Verbesina, sp. South Mexico, Zimapan {Coulter, 369). Hb. Kew. 32. Verbesina, sp. South Mexico, Cordillera of Oaxaca, 6000 to 7000 feet {Galeotti, 2006). Hb. Kew. COMPOSITE. 191 33. Verbesina, sp. Guatemala, Duefias (Salvin). Hb. Kew. 34. Verbesina, sp. South Mexico, Tehuacan, 6000 feet {Galeotti, 2118). Hb. Kew. 129. OTOPAPPUS. Otopappus, Benth. in Benth. et Hook. Gen. Plant, ii. p. 380. Erect or climbing shrubs, restricted to Mexico and Central America. We have extended this genus ; hence the character requires the following modifica- tion:- — Capitula radiata vel discoidea; involucri bractese pauci-multiseriatae ; pappus paleaceus vel epaleaceus. 1. Otopappus CUrvifloms, Hemsley. Salmea ? curviflora, R. Br. in Trans. Linn. Soc. xii. p. 112. Zexmenia salmeoides, Schz. Bip.j ex Benth. et Hook. Gen. Plant, ii. p. 381, sub Salmea. South Mexico, Mirador (Linden, 1165 ; Idebmann, 388), near Vera Cruz, at 3000 feet (Galeotti, 2214), valley of Cordova {Bourgeau, 2034) ; Guatemala, Volcan de Fuego 6500 feet {Salvin) ; Nicabagua, Chontales {Tate, 261). Hb. Kew. 2. Otopappus epaleaceus, Hemsley, n. sp. Caulibus vel ramis graciliusculis, corymbis oligocephalis, capitulis radiatis, involucri bracteis 5-6-seriatis exterioribus minoribus, pappo epaleaceo. Frutex erectus ?, ramis graciliusculis, teretibus, strigillosis. Folia opposita, breviter petiolata, ovata, 21-4 poll, longa, acuminata, vix acuta, calloso-denticulata, utrinque scabrida. Capitula radiata, multiflora, usque ad 1 poll, diametro, sjepius 3-3 aggregata, terminaba vel in axillis foliorum . Buperiorum, pedunculis quam folia brevioribus ; involucri bractese parvse, herbaceo-scariosse, puberulee, 5-6-seriatae, ovato-oblongee, obtusse, appressae, exteriores minores; receptaculum convexum; paleae complicatse, angustse, carinatse, ciliolatse, apice appendiculatae, flores sub- sequantes ; ligulse angustse, breves ; coroUse disci cylindricse. Achenia epaleacea, fere glabra, radii 3-angulata vel anguste 3-alata, 3-aristata, tantum anguli interioris ala sursum producta, disci compressa, 2-angulata, 2-aristata, angulo interiore apice alato ; ala sursum longe producta, arista confluens. Mexico, without locality {Bates, 7). Hb. Kew. 3. Otopappus robustUS, Hemsley, n. sp. (Tab. XLIX.) Scandens, robustus, foUis amplis, corymbis pleiocepbabs, capitulis discoideis, pa^ppo paleaceo. Frutex scandens robustus, ramis crassiusculis, striatis, puberuUs. Folia opposita, longiuscule petio- lata, crassiuscula, ovata, acuminata, 5-6 poU. longa, supra scabridula,' ' subtus pubescentia. Capitula discoidea, 4r-5 Hneas diametro, dense corymbosa, breviter pedunculata; corymbi axU- lares et terminales, 6-12-cephali ; involucri bractese 5-6-seriat8e, berbaceo-scariosse, puberulse, ovato-oblongse, obtusse ; receptaculum hemisphaericum ; palese scarioso-membranacese, compli- catse, laceratse, apice appendiculatae, puberulse ; corollse breves, infundibulares, leviter puberulse. 192 COMPOSITE. Achenia compressa^ 2-aristata, angnlo interiore apice alata; alaobliqua, longe sarsum producta^ arista confluens ; pappi palese fimbriato-laceratse, basi counatae. SoDTH Mexico, valley of Cordova {Bourgeau, 2030). Hb. Kew. EXPLANATION OF TAB. XLIX. Fig. 1, a palet j 2, a flower ; 3, the same, with corolla and stamens removed ; 4, an anther and part of the filament : all enlarged. V 4. Otopappus verbesinoides, Benth. in Hook. Ic. PI. t. 1153. NiCAEAGUA, Chontales (Tate, lib ; Seemann, 106) ; Costa Kica {JEndres, 90). Hb. Kew, 130. PODACHiENIUM. PodachtBuium, Benth. in Vidensk. Meddel. 1852, p. 98 ; Benth. et Hook. Gen. Plant, ii. p. 380. THcalj/mma, Lemaire, L'lU. Hort. ii. Misc. p. 37. Cosmophylla, Koch, Ind. Sem. Hort. Berol. 1854. A shrubby monotype. J 1. FodachSDninm paniculatmn, Benth. in Vidensk. Meddel. 1852, p. 99. Ferdinanda eminens, Lag. ; Andre in Rev. Hort. 1862, p. 110, cum ic. xylog. South Mexico, Orizaba [Botteri, 1081), near Tantoyuca {Ervendberg, 78), Jicaltepec and Castresane (Liehmann, 545, 261) ; Guatemala, Duefias (Fraser) ; Costa Eica {(Ersted). Hb. Kew. 131. SPILANTHES. Spilanfhes, Linn. Mant. p. 475 {Spilanthtis) ; Benth. et Hook. Gen. Plant, ii. p. 380. Herbaceous plants. About fifty forms have been described as species ; but Bentham and Hooker, loc. cit., estimate that there are scarcely twenty, widely spread in warm countries. ^l. Spilanthes alba, Willd. Sp. Pi. iii. p. 1714; DC. Prodr. V. p. 625. Bidens ocymifolia, Lam. 111. t. 668, fig. 3. South Mexico, Orizaba {SalU ; Bourgeau, 3098) ; Guatemala (Hartweg). — Pbeu ; Bbazil. Hb. Kew. The determinations of this and some of the other species require verification. 2. Spilanthes beccabunga, DC. Prodr. v. p. 622. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 464) ; South Mexico, valleys of Mexico and Toluca (Berlandier, 720, 1160), Tacubaya (Graham), valley of Mexico (Bourgeau, 154, 603). Hb. Kew. 3. Spilanthes bicolor, Benth. et Hook. Gen. PL ii. p. 381. Mendezia bicolor, DC. Prodr. v. p. 553; Deless. Ic. Sel. iv. t. 29. South Mexico, Leon, west of Guanajuato, Mendez. / COMPOSITE. 193 4. Spilanthes exasperata, Jacq. Ic. Pi. Ear. iii. t. 584 ,- DC. Prodr. V. p. 626. Costa Rica, San Jose {PolakowsJcy). — Venezuela ; Cayenne. 5. Spilanthes karwinskiana, DC Prodr. v. p. 623. Mexico {KarwinsJci). 6. Spilanthes nitida, Llav. etLex. Nov.Veg. Mex. i. p. 28 ; DC. Prodr. v. p. 626. South Mexico, San Jose del Corral {Lexarza). 7. SpUanthes papposa, Hemsley, n. sp. Erecta, caulibus pilosulis, foliis ovato-oblongis usque ad 4 poll, longis supra nitidis, capitulis, radiatis longissime pedunculatis, acheniis ciliatis 2-aristatis aristulis plurimis intermediis instructis. Herba erecta, caulibus (ut videtur) simplicibus, saltern sesquipedalibus, graeiliusculis, pilosulis. Folia opposita, breviter petiolata vel subsessilia, tenuia, cito glabrescenti * supra nitida, subtus palli- diora, ovato-oblonga, 2J-4 poll, longa, utrinque cuneata, obtusiuscula, integerrima, subtripli- nervia. Capitula radiata, fere 1 poll, diametro, terminalia et in axillis foliorum supremorum, longissime pedunculata ; pedunculi 4-8 poll, longi, nudi, sulcati; involucri bracteae puberulse, herbacese, oblongse, obtusse; receptaculum elongato-conicum ; palese membranaceo-scariosEe, complieatse, glabrae, apice rotundatse, coloratse, floribus paullo breviores ; ligulse latae, 4-5 lineas longse; disci corollse lobi puberuli. Achenia 2-3-angulata, angulis ciliatis; pappi aristae 2, aristulae numerosae intermedise brevissimte. NicAEAGUA, Chontales {Tate, 186, 462). Hb. Kew. l/s. Spilanthes parvifolia, Benth. in Vidensk. Meddel. 1852, p. 100. Costa Eica, Guanacaste {(Ersted, 81). Hb. Kew. 9. SpHanthes ramosa, Hemsley, n. sp. Basi suiFruticosa, ramosa, ramis pedunculisque gracillimis, foliis parvis, pedunculis longissimis, capi- tulis radiatis, acheniis marginatis ciliatis 2-3-aristatis. Suffrutex vel herba basi suffruticosa, cito glabrescens, valde ramosa, ramis adscendentibus peduncu- lisque gracillimis. Folia opposita, breviter petiolata, crassiuscula, ovato-oblonga, 4-8 lineas longa, obtusa, Integra vel paucicrenata. Capitula numerosa, radiata, ad 4 lineas longa et lata; pedunculi fere filiformes, rigidi, nudi, sulcati, 3-5 poll, longij involucri bracteae herbaceo-scariosse, late ovatse vel obovatae, ciliatae ; receptaculum elongatum ; palese membra- naceo-scariosae, latae, complicatae, carinatae, 2-striat8e, apice rotundatae, leviter puberulae; ligulse brevissimse ; disci coroUae glabrae. Achenia paucituberculata, 2-8-aristata, 2-3-angulata, angulis incrassatisj ciliatis. South Mexico, valley of Cordova {Bourgeau, 2284). Hb. Kew. 10. SpUantheS SeSSilifolia, Hemsley, n. sp. Herbacea, pilosa, foliis sessilibus ovatis vel fere obovatis obtusis trinerviis, capitulis radiatis minimis breviter graciliterque pedunculatis, paleis fimbrillatis, acheniis glabris calvis. Herba, ramis crassiusculis, pilosis. Folia opposita, sessilia, semiamplexicaulia, crassiuscula, ovata, vel interdum fere obovata, usque ad 2 poll, longa, obtusa, obscure crenata, trinervia, utrinque parce pilosula, supra nitida. Capitula radiata, ad 3 lineas diametro, solitaria, axillaria vel terminalia; pedunculi filiformes, foliis breviores; involucri bracteae oblongae, obtusiusculae, BIOL. CENT.-AMEK., Bot. Vol. II., October 1%^\. 2 c 194 COMPOSITE. pilossej receptaculura conicum; paleae scariosse, concavse, vix complicatae, acutsBj ciliatse. Achenia nigra, clavata, glabra, calva. South Mexico, Orizaba {Salle, 41). Hb. Kew. 11. Spilanthes subhirsuta, DC. Prodr. v. p. 622. South Mexico, Tampico (JBerlandier), Mirador {Linden, 1204)'?, Cordillera of Vera Cruz, 3000 feet {Galeotti, 2362)] Hb. Kew. )l 12. Spilanthes uliginosa, Sw. Fl. Ind. Occ. p. 1291 -, DC. Prodr. V. p. 624. South Mexico, Orizaba {Botteri, 1190) ; Nicaragua, Chontales {Tate, 423) ; Costa Rica {Endres, 256) ; Panama, Veraguas {Seemann), Chagres {Fendler, 166). Hb. Kew. 132. SALMEA. Salmea, DC. Cat. Hort. Mdltsp. p. 140; Benth. et Hook. Gen. Plant, ii. p. 381. About ten shrubby species, inhabiting the West Indies and Mexico to Colombia and Brazil. 1. Salmea angUStifolia, Benth. Bot. Voy. 'Sulphur,' p. 117. Mexico {Barclay). Hb, Kew. r 2. Salmea grandiceps, Cass. Diet, xlvii. p. 88; Griseb. Fl. Brit. W. Ind. p. 375. Salmea eupatoria et scandens, DC. Prodr. v. p. 493. Bidens scandens, Linn., Bot. Mag. t. 2062. South Mexico, valley of Cordova {Bourgeau, 1551), Cordillera of Vera Cruz {Galeotti, 2224); Guatemala, near Coban (TwcMem, 392); Nicaragua, Chontales (Ta^e) ; Costa Rica {(Ersted, 90); Panama, near Cruces {Seemann, 447). — West Indies; Colombia. Hb. Kew. There are perhaps more than one species included under this name. 3. Salmea oligocephala, Hemsley, n. sp. Foliis subsessilibus subcoriaceis glabris vel glabrescentibus, capitulis pro genera grandibua paucis, paleis apice utrinque papillosis, acbeniis longe 2-aristatis subsequalibus. Frutex erectus?, ramis graciliusculis, parcissime puberulis, striatis. Folia opposita, brevissime petiolata, subcoriacea, ovato-oblonga, l^-S^ poll, longa, vix acuta, remotiuseule calloso-denti- culata, triplinervia, glabra vel glabrescentia. Capitula pauca, multiflora, usque ad 6 lineas diametro, breviter pedunculata ; pedunculi communi longiores, ssepius 3-cephali ; involucri bractese coriaceo-herbaceae, hirsutse, ovato-oblongse, obtusae vel subacutae ; receptaculum elon- gatum ; palese complicatae, carinatse, apice rotundatse^ utrinque papillosae, flores sub^quantes ; coroUae breves, infundibuliformes, tubo glabro, lobis papillosis. Achenia compressa, glabra, ciliata ; pappi aristae subaequales, pilosulae, coroUae tubum subaequantes. Mexico, Zimapan {Coulter, 349), without locality {Bates). Hb. Kew. 133. HYMENOSTEPHIUM. Hymenostephium, Benth. in Bentb. et Hook. Gen. Plant, ii. p. 382. Two shrubby or half-shrubby species described. The second is a native of Colombia. COMPOSITJE. 195 1. Hymenostephium mexicanum, Benth. in Hook. ic. Pi. 1. 1154. South Mexico, valley of Cordova {Bourgeau, 1932). Hb. Kew. [Trichospira menthoides, H. B. K. Nov. Gen. et Sp. iv. p. 27, t. 312, widely dispersed in South America, and occurring in Cuba, may be looked for in Central America.] 134. SYNEDRELLA. Synedrella, Gsertn. Fr. ii. p. 456, 1. 171 ; Benth. et Hook. Gen. Plant, ii. p. 383. Two herbaceous species, both endemic in America. '^1. Synedrella nodiflora, Gsertn. Er. ii. p. 456, t. 171 ; Hook. Exot. Fl. t. 60. South Mexico, Campeche {Humboldt & Bonpland) ; Guatemala, Volcan de Fuego (Salvin); Costa Eica {Endres); Panama, Chagres {Fendler, 170), Isle of Taboga {Hinds). — Widely dispersed in the West Indies and South America. Naturalized in some parts of the Old World. Hb. Kew. 135. HETEEOSPEEMUM. Heterospermum, Cav. Ic. iii. p. 34 {Heterosperma) ; Benth. et Hook. Gen. Plant, ii. p. 383. An exclusively Tropical-American genus of annual herbs. Five species have been described, four of which inhabit Western South America. 1. Heterospermum pinnatum, Cav. Ic. iii. t. 267; DC. Prodr. v. p. 632. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 476) ; South Mexico, Tacubaya &c., valley of Mexico {BilimeJc, 496 ; Schaffner, 266, 247 ; Pourgeau, 373, 587), Real del Monte {Coulter, 377), Leon, west of Guanajuato {Mendez). Hb. Kew. 136. COREOPSIS. Coreopsis, Linn. Gen. Plant, n. 981 ; Benth. et Hook. Gen. Plant, ii. p. 385. About sixty species are known, chiefly herbaceous : fourteen inhabit Tropical Africa ; about eight are found in the Sandwich Islands; and the remainder are American, ranging from Massachusetts to Peru. :; .-; ,; 1. Coreopsis anthemoides, DC. Prodr. v. p. 573. South Mexico, Cordillera of Guichilaca {Perlandier, 1030), Desierto Viejo {Bourgeau, 836) % without locality {Coulter, 378 ; Mairet, 111 ; Tate, 112)'? Hb. Kew. 2. Coreopsis drummondii, Torr. & Gr. Fl. N. Am. ii. p. 345. Texas. — North Mexico, Matamoros {Perlandier, 2580). Hb. Kew. 3. Coreopsis galeottii, Hemsley. Electra galeottii, A. Gr. PL Wright, i. p. 110. South Mexico, Cordillera of Oaxaca, 4500 to 5500 feet {Galeotti, 2086), without 2c2 196 COMPOSITE. locality [Parkinson, Bates) ; Guatemala, Volcan de Fuego (Salvin & Godman, 122, 182), Baiios de los Padres [Bernoulli, 196). Hb. Kew. 4. Coreopsis liebmannii, Schz. Bip. in Liebm. Pi. Mex. Exsic. n. 218. South Mexico, Pelade [Liebmann). Hb. Kew. 5. Coreopsis linearifolia, DC. Prodr. v. p. 570. South Mexico, Tlalpnjahua [Keerl). 6. Coreopsis mexicana, Hemsley. Electra mexicana, DC. Prodr. v. p. 630. ^ South Mexico, around Villalpando, beyond Guanajuato [Mendez, Maman). 7. Coreopsis mutica, DC. Prodr. v. p. 571. South Mexico, Tlalpujahua [Keerl). (/ 8. Coreopsis oerstediana, Benth. in Vidensk. Meddel. 1852, p. 93. Nicaragua, Volcan de Masaya [CErsted, 181). Hb. Kew. 9. Coreopsis rudis, Benth. et Hook. Gen. PI. ii. p. 386. Epilepis rudis, Benth. PI. Hartw. p. 17. South Mexico, Bolanos [Hartweg, 116). Hb. Kew. \/lO. Coreopsis trifoliata, Bertol. Fl. Guat. p. 36. Guatemala, Volcan de Agua [Velasquez). 137. DAHLIA. Dahlia, Cav. Ic. PI. i. p. 56, t. 80; Benth. et Hook. Gen. Plant, ii. p. 386. A Mexican and Central- American genus of about six or eight herbaceous species, some of which are arboreous in habit. 1. Dahlia COCcinea, Cav. Ic. iii. p. 33, t. 266 ; Bot. Mag. t. 762. Georgina coccinea, Willd. Hort. Berol. ii. t. 96. Georgina frustranea, DC. Ann. du Mus. xv. p. 310. Dahlia bidentifolia, Salisb. Parad. Lond. 1. 19. Dahlia cervantesii, Lag. in DC. Prodr. v. p. 494? Georgina cervantesii, Sweet, Brit. M. Gard. ser. 2, i. t. 22 ? South Mexico, Orizaba, Borrego [Bourgeau, 2798), at the foot of Mount San Felipe, Oaxaca [Andrieux, 309), Santa Fe, valley of Mexico [Bourgeau, 550, 735). Hb. Kew. 2. Dahlia excelsa, Benth. in Maund's Botanist, ii. t. 88. Mexico [Bates). Hb. Kew. 3. Dahlia gracilis, Ortg. in Kegel's Gartenflora, 1876, p. 97, t. 861. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet [Parry & Palmer, 478). Hb. Kew. COMPOSITE. 197 4. Dahlia imperialis, Eoezl in Eegel's Gartenflora, 1863, p. 243, tt. 407, 408 ; Bot. Mag. 5183. Mexico {Eoezl), Orizaba, cult. {Botteri, 1175) ? Hb. Kew. 6. Dahlia maximiliana, Hort. Mexico. Hb. Kew. This is a distinct species ; but we have mislaid our description, and, at the time of writing, we have not access to specimens. 6. Dahlia merckii, Lehm. Delect. Sem. Hort. Hamb. 1839; Linnsea, xiv. Lite- raturb. p. 130. Dahlia glabrata, Lindl. Bot. Reg. 1840, t. 29 ; Bot. Mag. t. 3878. Dahlia minor, Visiani, Nuovi Saggia della Acad. Sc. Fis. de Padova, v. p. 263. Dahlia decaisneana, Verlol in Eev. Hort. 1864, p. 31, cum ic. col. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, ill), without locality {Oregg, 377); South Mexico, Eeal del Monte {Coulter, 387), summit of a mountain near Guadalupe {Bourgeau, 802). Hb. Kew. 7. Dahlia SCapigera, Knowles & Westcott, Fl. Cab. iii. 1. 118 ; Maund, Botanist, iv. t. 161. Georgina scapigera, Link & Otto in Otto & Dietr. Allg. Gartenz. i. p. 197. Mexico. Cultivated in Europe. Hb. Kew. l^. Dahlia variabilis, Desf. Cat. Hort. Par. ed, 3, p. 182 ; DC. Prodr. v. p. 494. Georgina variabilis, Willd. Hort. Berol. ii. tt. 93-95. Dahlia superflua. Ait. Hort. Kew. ed. 2, v. p. 87. Georgina superflua, DC. in Ann. du Mus. xv. p. 310. Dahlia crocata, Lag. Elench. p. 31. Dahlia pinnata, Cav. Ic. PI. i. t. 80. Dahlia rosea, Cav. Ic. PI. iii. t. 265. Dahlia sambucifolia, Salisb. Parad. Lond. t. 16. Coreopsis georgina, Cass. Diet, xviii. p. 441. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 480) ; South Mexico, Oaxaca, in gardens {Andrieux, 311), Zimapan {Coulter, 389), Santa Pe {Bourgeau, 736) ; Guatemala, base of Volcan de Fuego {Salvin & Godman, 46) % Hb. Kew. The specimens from Guatemala may belong to a different species. 9. Dahlia, sp. Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 479). Hb. Kew. Apparently a distinct species ; but the material is insufficient for description. 198 COMPOSITiE. 138. HIDALGOA. Hidalgoa, Llav. et Lex. Nov. Veg. Descr. i. p. 15 ; Benth. et Hook. Gen. Plant, ii. p. 386. A climbing herbaceous or shrubby monotype. Bentham and Hooker, loc. cit., state that there are two species : but this seems to be a slip ; for we find no evidence of the existence of a second species. 1. Hidalgoa ternata, Llav. et Lex. Nov. Veg. Descr. i, p. 15 ; Less, in Linnsea, vi. p. 213. Hidalgoa lessingii, DC. Prodr. v. p. 511. Melampodium? ternatum, DC. Prodr. v. p. 521. South Mexico, Cordova, forest of Chiquihite {Bourgeau, 2122), Misantla and Cuesta Grande de Jalacingo (Schiede & Deppe), near the last falls of the Kio Blanco, not far from San Jose del Corral {La Lime). — Ecuador. Hb. Kew. 139. THELESPERMA. Thelesperma, Less, in Linnsea, p. 511; Benth. et Hook. Gen. Plant, ii. p. 387. An American genus of about four or five half-shrubby and herbaceous species, whereof one is a native of Extratropical South America, and the rest are natives of the IVl^xican region. 1. Thelesperma gracile, A. Gr. in Hook. Kew Journ. Bot. i. p. 252 ; in Torr. Bot. U.S. & Mex. Bound. Surv. p. 90. Bidens gracilis, Torr. in Ann. Lye. N. York, ii. p. 215. Cosmidium gracile, Torr. & Gr. Fl. N. Am. ii. p. 350. Aekansas; New Mexico. — Noeth Mexico, Sonora (Schott), without locality (Gregg). Hb. Kew. 2. Thelesperma longipes, A. Gr. Pi. Wright, i. p. 109. Noeth Mexico, Eio San Pedro (Wright), Camp Bowie, S. Arizona (Eothrock). Hb. Kew. 3. Thelesperma simplicifolium, A. Gr. in Hook. Kew Joum. Bot. i. p. 252. Cosmidium simplicifolium, A. Gr. PL Pendl. p. 86. Noeth Mexico, San Pedro river, Sonora (Schott), Buena Vista, Coahuila ( Gregg). Hb. Kew. 140. COSMOS. Cosmos, Cav. To. PI. i. p. 9 ; Benth. et Hook. Gen. Plant, ii. p. 387. An exclusively American genus of herbs, dispersed from Mexico to Bolivia, It is difiicult to estimate the number of species, as the forms are very numerous ; but there must be at least a dozen. 1. Cosmos hipmnatus, Cav. Ic Pi. i. p. 2, t. 14; DC. Prodr. v. p. 606. Georgia bipinnata, Spreng, Syst. iii. p. 611. COMPOSITE. 199 Coreopsis for mos a, Bonato in Diss. Pisaur. p. 21, t. 2. Bidens formosa, Schz. Bip. in Seem. Bot. Voy. 'Herald/ p. 307. SogTH Mexico, Zimapan {Coulter, 382), valley of Mexico {Bourgeau, 845 ; Schaffner, 234), Real del Monte {Coulter, 384). Hb. Kew. /3. exaristatus, DC. Prodr. v. p. 606. South Mexico, around Oaxaca {Andrieux, 307), Pazcuaro {Humholdt & Bonpland). Hb. Kew. y. parviflorus, A. Gr. PL Wright, ii. p. 90 ; H. B. K. Nov. Gen. et Sp. iv. p. 241 (species). Bidens humholdtii, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 307. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 482), Sonora {Thurher &g.) ; South Mexico, San Angel {Schaffner), between Puerto de Vari- entos and Santa Eosa de la Sierra, at 7800 feet {Humboldt & Bonpland), Pedregal {Bourgeau, 826). Hb. Kew. ^2. Cosmos caudatus, H. B. K. Nov. Gen. et Sp. iv. p. 240 ; DC. Prodr. v. p. 606. Bidens caudata, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 308. NoETH Mexico, Cerro de Pinal {Seemann, 1487) ; South Mexico, Tepic to San Bias {Sinclair); Guatemala, Jocotenango {Bernoulli, 225); Panama, Chagres {Fendler, 173). — Southward to Peru and Brazil and in the West Indies. Hb. Kew. 3. Cosmos chrysanthemifolius, H. B. K. Nov. Gen. et Sp. iv. p. 239, t. 382. Bidens kunthii, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 308. Mexico I 4. Cosmos CrithmifoliuS, H. B. K. Nov. Gen. et Sp. iv. p. 242. Bidens valladolidensis, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 308. South Mexico, near Valladolid, 6000 feet {Humboldt & Bonpland), San Felipe {Andrieux, 306), Eio Blanco, Orizaba {Bottrgeau, 2690), Cordillera of OaxsLca. {Galeotti, 2053), Zimapan ((JowWer, 375, 383) ; Guatemala, San Gexonimo {Salvin & Godman, 394). Hb. Kew. 5. Cosmos diversifolius, Otto in Knowles &c Westcott's PL Cab. ii. p. 4, t. 47. Cosmos reptanS) Benth. PL Hartw. p. 40. Cosmos pulcherrimus, Schz. Bip. in Bull. Soc. Bot. de France, xii. p. 79. Cosmos atrosanguineus, Ortg. in RegeLs Gartenflora, x. p. 406, t. 347 j Bot. Mag. t. 5227 (varietas). Bidens diversifolia et jB. reptans, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 308. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 481, 483); South Mexico, Chiapas {Ghieshreght), valley of Mexico {Schaffner, 229), Angan- guio {Hartweg), without locality {Coulter, 386, 388), Cordillera of Oaxaca, 8000 feet {Galeotti, 2028).— Peru and Bolivia. Hb. Kew. 200 COMPOSITE. 6. Cosmos linearifolius, Hemsiey. Bidens linearifolia, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 307. NoETH Mexico, Sierra Madre and Cerro de Pinal (Seemann, 2022, 1486). Hb. Kew, 7. Cosmos pilosUS, H. B. K. Nov. Gen. et Sp. iv, p. 241. Bidens rosea, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 308. , South Mexico, near Santa Rosa de la Sierra, 7800 feet (Humboldt & JBonpland). 8. Cosmos purpureus, Benth. et Hook. Gen. PL ii. p. 387. Bidens purpurea, DC. Prodr. v. p. 604. South Mexico, Cordillera of Guichilaca [Berlandier, 1007). 9. Cosmos SCabiosoideS, H. B. K. Nov. Gen. et Sp. iv. p. 242. Bidens scabiosoides, Schz. Bip. in Seem. Bot. Voy. ' Herald^' p. 308. South Mexico, near Pazcuaro, 6700 feet {Humboldt & Bonpland), Chinantla {Lieb- mann, 617), Cordillera of Oaxaca, 8000 feet {Galeotti, 2028), Vera Cruz to Orizaba [Muller, 1899), Eeal del Monte {Coulter, 390), Santa Fe {Bourgeau, 549). Hb. Kew. 10. Cosmos sulphureus, Cav. Ic. PI. i. p. 56, t. 79 ; DC. Prodr. v. p. 606. Coreopsis artemisim folia, Jacq. Ic. PI. Rar. iii, t. 595. Bidens sulphurea, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 308. South Mexico, around Oaxaca {Andrieux, 308), Gualulu {Liebmann, 619), Cuemavaca and Cordova {Bourgeau, 1206, 1631), Bolanos {Coulter, 379), CordiUera of Oaxaca, at 5000 to 5500 feet {Galeotti, 2055). Hb. Kew. 11. Cosmos tenellus, H. B. K. Nov. Gen. et Sp. iv. p. 240. Bidens bonplandii, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 308. South Mexico, between Mexico and Huahuatoca, at 7200 ieet {Humboldt &Bon/pland), Eegla {Ervendberg). Hb. Kew. 12. Cosmos tenuifolius, Lindl. Bot. Eeg. t. 2007. Bidens lindleyi, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 307. Mexico. Apparently not different from C. bipinnatus. 13. Cosmos uhdeanns, Kunth, Ind. Sem. Hort. Berol. 1846, ex Walp. Eep. vi. p. 721. Mexico. 14. Cosmos, sp. North Mexico, Cejro de Pinal {Seemann, 1469). Hb. Kew. 15. Cosmos, sp. South Mexico, Cordillera of Oaxaca {Galeotti, 2061). Hb. Kew. COMPOSITE. 201 141. BIDENS. Bidens, Linn. Gen. Plant, n. 932; Benth. et Hook. Gen. Plant, ii. p. 387, A large genus of herbaceous plants, represented in nearly all hot and temperate regions. Nearly 100 species have been described ; but Bentham and Hooker (loc. cit.) estimate that they should be reduced to fewer than fifty. 1. Bidens alausensis, H. B. K. Nov. Gen. et Sp. iv. p. 235 ; DC. Prodr. v. p. 602. South Mexico, Cerro Colorado (Schiede).—EcvATio-R. 2. Bidens angUStissima, H. B. K. Nov. Gen. et Sp. iv. p. 233; DC. Prodr. v. p. 601. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 486) ; South Mexico, near Santa Kosa de la Sierra, 7800 feet {Humboldt & Bon;pland). Hb. Kew. 3. Bidens anthriscoides, DC. Prodr. v. p. 600. South Mexico, Cordillera of Guichilaca {Berlandier, 1010, 1052). 4. Bidens bipinnata, Linn. Sp. Pi. p. 1166 ; DC. Prodr. V. p. 603. Connecticut and Illinois southward. — North Mexico, Chihuahua and Sonora [Thurber) ; South Mexico, Guadalupe {Bourgeau, 813), — to Chili and Monte Video, and in the West Indies ; also a common weed in some parts of the Old World, though perhaps introduced from America. Hb. Kew, 5. Bidens brachycarpa, DC, Prodr. v. p. 600. South Mexico, Tampico {Berlandier, 5, 113), ^. Bidens canescens, Bertol, Fl. Guat. p, 31. Guatemala, Volcan de Agua {Velasquez). 7. Bidens caucalidea, DC. Prodr. v, p. 604. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 484) ; South Mexico, Guanajuato {Hartweg), Toluca {Berlandier, 1138), without locality {Graham, Seemann). Hb. Kew. 8. Bidens chrysanthemoides, Michx. ri. Bor.-Am. ii. p, 136 ,- Torr. & Gr. Fl. N. Am. ii. p. 352. Common from Canada throughout the United States east of the Kocky Mountains, and in Arizona and California. — North Mexico, Ojo Caliente, Chihuahua {Thurber). Hb. Kew, 9. Bidens COStaricensis, Benth. in Vidensk. Meddel. 1852, p. 94, Costa Eica, Agucate, San Jose &c, {(Ersted). Hb, Kew. 10. Bidens daucifolia, DC. Prodr. v. p. 601. South Mexico, valley of Toluca {Berlandier). BIOL, cent.-amer., Bot. Vol. II., October 1881. 2 d 202 COMPOSITE. 11. Bidens decolorata, H. B. K. Nov. Gen. et Sp. iv. p. 233. South Mexico, between Capula and Valladolid, Michoacan, at about 6500 feet {Humholdt & Bonpland). 12. Bidens dondiaefolia, Less, in Linnsea, V. p. 155. South Mexico, near Vera Cruz (Schiede & Beppe). 13. Bidens exaristata, DC. Prodr. v. p. 600. Mexico, between Vittoria and Tula [Berlandier, 2220). 14. Bidens femlsefolia, DC. Prodr. v. p. 603. Coreopsis feruloRfolia, Jacq. Hort. Schoenb. t. 375 ; Bot. Mag. t. 2059. South Mexico, Guadalupe &c., valley of Mexico CBourgeau, 502 ; Schaffner, 231 ; Gregg, 43, 397). Hb. Kew. 15. Bidens fcEniculifolia, DC. Prodr. v. p. 603. North Mexico, Sonora (Thurber), Sonoita valley, S. Arizona (Bothrock); South Mexico, west of Guanajuato (Mendez). Hb. Kew. 16. Bidens grandiflora, Balb. Cat. Hort. Taur. 1812, p. 19; DC. Prodr. v. p. 602. Bidens odorata, Dum. Cours Bot. Cult. iv. p. 241, nee Cav. Coreopsis diversifolia, Jacq. Eclog. p. 80, t. 54. Cosmea lutea, Sims, Bot. Mag. t. 1689. South Mexico, around the city of Mexico {Berlandier, 1168), San Nicolas &c., vaUey of Mexico {Bourgeau, 956 ; Schaffner, 232). Hb. Kew. 17. Bidens helianthoides, H. B. K. Nov. Gen. et Sp. iv. p. 230; DC. Prodr. v. p. 595. Kerneria helianthoides, Cass. Diet. xxiv. p. 399. South Mexico, Yotla {Andrieux, 312), Mexicalcingo, Guadalupe, and Tacubaya {Bourgeau, 510, 382, 147). — Also widely dispersed in South America. Hb. Kew. 18. Bidens heterophylla, Ort. Dec. p. 99, t. 12 ; DC. Prodr. V. p. 597. Bidens arguta, H. B. K. Nov. Gen. et Sp. iv. p. 231. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 487), Sonora {Wright) % ; South Mexico, San Nicolas, Tacubaya &c., valley of Mexico {Bourgeau, 382, 382 bis, 957, 851, 263), Orizaba {Bourgeau, 3085 ; SalU), near Valladolid, at 6000 feet {Humholdt & Bonpland), Eeal del Monte {Coulter, 347), Cordillera of Guichilaca &c. {Berlandier). — Southward to Chili and BuBifOS Atres. Hb. Kew. 19. Bidens hirtella, H. B. K. Nov. Gen. et Sp. iv. p. 232. Mexico '? 20. Bidens longifolia, DC. Prodr. v. p. 597. Mexico {Berlandier, Alaman). COMPOSITE. 203 21. Bidens mollis, Pcepp. et Endl. Nov. Gen. et Sp. iii. p. 49 ; Walp. Rep. ii. p. 619. Guatemala, Calvario {Bernoulli, 155). — Peru, Ecuadoe. Hb. Kew. 22. Bidens odorata, Cav. Ic. Pi. i. p. 9, t. 13; DC. Prodr. V. p. 603. Mexico, 23. Bidens OStruthioideS, Schz. Bip. in Seem. Bot. Voy. 'Herald,' p. 308. Delucia osfruthioides, DC. Prodr. v. p. 633 ; Deless. Ic. Sel. iv. t. 40. South Mexico, Santa Fe &c., valley of Mexico (Schqffher, 228 ; Bourgeau, 835), Vera Cruz to Orizaba {Muller, 1950), without locality {Bates). Hb. Kew. K24. Bidens pilosa, Linn. Sp. Pi. p. 1166 ; DC. Prodr. v. p. 597. Bidens leucantha, Willd. Sp. PI. iii. p. 1719 ; DC. Prodr. v. p. 598. Floeida, Texas, New Mexico. — Noeth Mexico, Sierra Madre {Seemann, 2047); South Mexico, Orizaba {Bourgeau, 188, 811, 2561), San Angel {Bourgeau, 150); Guatemala, Duenas {Salvin & Godman) ; Nicaragua, Chontales {Tate, 184) ; Costa EiCA {Endres, 45). — Southward to Chili and South Beazil, and in the West Indies ; and now also a common weed in the tropics of the Old World. Hb. Kew. 25. Bidens procera, Don in Bot. Eeg. t. 684 ; DC. Prodr. v. p. 603. Mexico. 26. Bidens procumbens, H.B.K. Nov, Gen. et Sp. iv. p. 232. South Mexico, near Jalapa % {Humboldt & Bonpland). 27. Bidens sambucifolia, Cav. Ic, Pi, iii. p. 15, t. 219 ; DC. Prodr, v. p. 599. Mexico 1 — Peeu. 28. Bidens sartorii, Schz, Bip, in Seem. Bot. Voy. ' Herald,' p. 307. South Mexico, near Mirador {Sartorius). 29. Bidens Seemannii, Schz. Bip, in Seem. Bot. Voy. ' Herald,' p. 307. North Mexico, Sierra Madre {Seemann, 2014), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 485). Hb. Kew. '^O. Bidens striata, Sweet, Brit. Fl, Gard. t. 237 ; Bot. Mag. t. 3155. South Mexico, valley of Mexico {Schaffner, 239), Eeal del Monte {Coulter, 392), Orizaba {Bourgeau, 2681); Guatemala, Mazatenango {Bernoulli, 1205). Hb. Kew. 31. Bidens tereticaulis, DC. Prodr, v. p. 598. Bidens squarrosa, Less, in Linnsea, v. p. 156. Bidens coreopsidis, DC. Prodr. vii. p. 599. NoETH Mexico, region of San Luis Potosi {Palmer, 1116) ; South Mexico, Orizaba {Bilimek, 203), near Tantoyuca {Berlandier, 2148, 2150) ; Nicaragua, between Mata- galpa and Segovia (ffiVs^^t?). — Widely dispersed in South America and the West Indies. Hb. Kew. 2d2 204 COMPOSITE, 32. Bidens tetragona, DC. Prodr. v. p. 596. Coreopsis tetragona, Llav. et Lex. Nov. Veg. i. p. 31. South Mexico, around the city of Mexico. 33. Bidens triplinervia, H. B. K. Nov. Gen. et Sp. iv. p. 231. South Mexico, near the city of Mexico and San Augustin de las Cuevas, 7000 feet {Humboldt & Bonplqnd). V34. Bidens warszewicziana, Regel in Flora, xxxii. (1849), p. 183. Guatemala [Warszewicz). We have seen no authentically named specimens of many of the foregoing species, though most of them are probably represented in Kew herbarium by unnamed specimens. 142. CHRYSANTHELLUM. Chrysanthellum, Rich, in Pers. Syn. PI. ii. p. 471 ; Benth. et Hook. Gen. Plant, ii. p. 389. Annual herbs. Besides the following there is one endemic in the Galapagos Islands. 1. Chrysanthellum procumbens, Pers. Syn. PI. ii. p. 471 ; DC. Prodr. V. pp. 630, 631, species 4; Deless. Ic. Sel. iv. t. 39 ; Eeichb. Iconogr. Exot. t. 66. Chrysanthellum integrifolium, Steetz in Seem. Bot. Voy. ' Herald/ p. 160 ? ' South Mexico, region of Orizaba {Salle, Muller, 159). — Common nearly throughout Tropical America, Africa, and Asia. Hb. Kew. 143. GALINSOGA. Galinsoga, Ruiz et Pav. Prodr. Fl. Per. p. 110^ t. 24; Benth. et Hook. Gen. Plant, ii. p. 390. About five annual species, endemic in the warmer parts of America ; one is now naturalized in many parts of the Old World. 1. Galinsoga fiUformis, Hemsley, Diag. PI. Nov. pars altera, p. 34. (Tab. L.) Annua, erecta, ramosa, ramis pedunculisque glabris filiformibus, foliis radicalibus oblongis remote denticulatis, caulinis lanceolatis linearibusve, eapitulis parvis, receptaculo elongato, paleis angustissimisj floribus disci numerosissimisj pappi paleis ssepissime 10 fimbriatis alternis truncatis alternis setaceo aristatis. Herba annua, erecta, pedalis ad sesquipedalis, ramosa. Caulis gracilis. Ramuli etpedunculi oppositi vel subverticillati, glabri, filiformes, arcuati. Folia parce albido-pilosula, remote denticulata; radicalia rosulata, oblonga vel obovata, circiter pollicaria ; caulina pauca, minora, laneeolata vel linearia. Capitula parva, multiflora ; involucri bractese subbiseriatse, oblongse, ciliatae, striatse ; receptaculum elongatum; palese angustissimse, floribus disci fere sequilongsej ligulse bifidse vel trifidse, tubo hirsuto ; disci flores ^ minuti, numerosissimi ; pappi palese ssepissime 10, fimbriatse, alternse truncatse, alternse setaceo-aristatse. Achenia disci angulata, hirsuta ; radii glabra. North Mexico, Cerro de Pinal {Seemann, 1473). Hb. Kew. EXPLANATION OF TAB. L. Fig. 1, a ray-flower ; 3, a disk-flower and palet ; 3, a stamen ; 4, stigma of a disk-flower ; 5, one of the awned scales of the pappus ; 6, receptacle : all enlarged. COMPOSITE. 205 1/2. GalinsOga hispida, Benth. Bot. Voy. ' Sulphur,' p. 119. South Mexico, near Guadalupe (Bourgeau, 707), Orizaba (SallS); Guatemala, Volcan de Fuego (Salvin) ; Nicaeagua ((Ersted, 112) ; Costa Kica {Endres, 180). — Southward to Peku. Hb. Kew. 3. GalinsOga parviflora, Cav. Ic. Pi. iii. p. 41, t. 281 ; DC. Prodr. V. p. 677. An exceedingly common weed in Temperate and Tropical America, and now natu- ralized in many parts of the Old Woeld. Hb. Kew. 144. GALEA. Galea, Linn. Gen. Plant, n. 941^ pro parte ; Benth. et Hook. Gen. Plant, ii. p. 390. A tropical and subtropical American genus, comprising about sixty, chiefly shrubby pecies. 1. Galea albida, A. Gr. in Proc. Am. Acad. XV. p. 38. Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 448). Hb. Kew. 1/ 2. Galea axillaris, DC. Prodr. v. p. 673. Mocinna serrata, Lag. Nov. Gen. p. 31. South Mexico, valley of Orizaba {JBourgeau, 3095 ; Salle), valley of Cordova (JBour- geau, 1675), San Bias to Tepic (Coulter, 330); Costa Pica, Candelaria &c. {(Ersted, 188, 190, 191). Hb. Kew. This should perhaps include C. urticcefolia, DC. •^3. Galea brachiata, DC. Prodr. v. p. 673. Mocinna brachiata, Lag. Nov. Gen. p. 31. Panama'?, "Panamaide" ex Lagasca. 4. Galea cacosmoides, Less, in Linnsea, v. p. 157 ; DC. Prodr. v. p. 674. South Mexico, near Jalapa {Schiede & Beppe). 5. Galea discolor, A. Gr. in Proc. Amer. Acad. xv. p. 38. South Mexico, Zimapan {Coulter, 351). Hb. Kew. 6. Galea elegans, DC. Prodr. v. p. 674. Oteiza acuminata, Llav. Eeg. Trim. Mex. 1832, p. 41. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 491), without locality {Mairet, Tate, Parkinson), Hb. Kew. ^. Galea integrifoHa, Hemsley. Allocarpus integrifolius, DC. Prodr. v. p. 676. South Mexico, region of Orizaba {Botteri, 1108, 1121, 1161 ; Muller, 1039), valley oi CoxAoyo, {Bourgeau, 1751), Mirador {lAebmann, 416, 417; Linden, 1162), Cordillera of Vera Cruz, 3000 feet (Galeotti, 2228); Guatemala, without locality {Skinner), near Coban, 4400 feet {Turckheim, 379). Hb. Kew. 206 COMPOSITE. 8. Galea manicata, Benth. et Hook. Gen. PI. ii. p. 391. Tetrachyron manicatum, Schl. in Linnsea, xix. p. 744. South Mexico, Mirador [Liehmann, 392 ; Linden, 1197 ; at 3000 feet, Galeotti, 2309), Orizaba {Botteri, 1110, 1123 ; Bilimek, 561). Hb. Kew. 9. Galea peduncularis, H. B. K. Nov. Gen. et Sp. iv. p. 295, t. 408. Calydermos peduncularis, DO. Prodr. v. p. 669. Calebr achy s peduncularis, Cass. Diet. Iv. p. 277. Calydermos longifolius, Lag. Nov. Gen. p. 24 ? Calydermos scaber, Lag. loc. cit. ? NoETH Mexico, region of San Luis Potosi, 6000 to 8000 ieet {Parry & Palmer, 497); South Mexico, region of Orizaba {Bourgeau, 2692, 3149; BilimeJc, 544), Chinantla (Idebmann, 413), Bolafios [Hartweg, 122), Zacuapan {Linden, 484), Eeal del Monte {Coulter, 334), JoruUo, at 3000 feet {Humboldt & Bon-gland). Hb. Kew. We have followed H. B. K.'s suggestion (loc. sup. cit.) in reducing Calydermos scaber to this species. Hartweg's 1€2 corresponds to the original C. longifolius ; and it is connected by intermediate forms with C. scaber. With the exception of having a pappus, typical C. peduncularis does not appear to differ from the others. 1/ 10. Galea prunifolia, H. B. K. Nov. Gen. et Sp. iv. p. 294, t. 406. Guatemala {Friedrichsthal) ; Nicaragua {Tate, 43, 178, 180, 289); Costa Rica {(Ersted) ; Panama {S. Hayes, 550). — Colombia. Hb. Kew. 11. Galea rugOSa, Hemsley. Calydermos rugosus, DC. Prodr. v. p. 670. South Mexico, Cuernavaca {Berlandier, 2135). 12. Galea sabazioides, Hemsley. Allocarpus sabazioides, Less, in Linnsea, ix. p. 590. South Mexico, near San Miguel del Soldado and La Joya {Schiede & Beppe). 13. Galea salmiaefolia, Hemsley. Calydermos salmieef alius, DC. Prodr. v. p. 670. Noeth Mexico, Tamaulipas {Berlandier, 2135). Hb. Kew. 14. Galea SCabrifolia, Benth. et Hook. Gen. PI. ii. p. 391. Allocarpus scahrifolius, Hook, et Arn. Bot. Beech. Voy. p. 300. Ferdinanda oppositifolia, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 303, errore Zaluzania, Benth. et Hook. loc. cit. Noeth Mexico, Sierra Madre {Seemann, 1^%&) ; South Mexico, ^ &!i\sco {Beechey). Hb. Kew. 15. Galea seSsUifolia, Less, in Linnsea, v. p. 158. Mexico {Schiede & Beppe). 16. Galea tomentosa, A. Gr. in Proc. Amer. Acad. xv. p. 38. Noeth Mexico, between San Luis Potosi and Tampico {Palmer, 1108). Hb. Kew. COMPOSITE. 207 17. Galea urticaBfolia, DC. Prodr. v. p. 674. Caleacte urticcefolia, E. Br. in Trans. Linn. Soc. xii. p. 109. South Mexico, Vera Cruz {Linden, 1184 ; Galeotti, 2233), Orizaba (Botteri, 481, 1154), Tantoyuca (Ervendberg). Hb, Kew. 18. Galea zacatechichi, Schl. in Linnsea, ix. p. 589. South Mexico, Vera Cruz to Orizaba (Muller), Vera Cruz (Linden, 1186 ; Galeotti, 2235), valley of Cordova and Cuernavaca (Bourgeau, 1559, 1218). Hb. Kew. 145. TEIDAX. TVidax, Linn. Gen. Plant, n. 973 ; Benth. et Hook. Gen. Plant, ii. p. 392. An endemic Tropical- American genus, comprising about ten herbaceous species, one of which is naturalized in India and Mauritius. 1. Tridax balbisioides, A. Gr. in Proc. Amer. Acad. XV. p. 39. Galinsogea balbisioides, H. B. K. Nov. Gen. et Sp. iv. p. 353, t. 386. Sogalgina balbisioides, Cass. Diet. xlix. p. 398. South Mexico, between the valley of Santiago and Lake Palangeo, 5500 feet {Eum- holdt & Bonpland). Dr. A. Gray doubtfully refers Parry and Palmer's no. 509 to this species, although it has three-cleft instead of entire ligules. 2. Tridax bicolor, A. Gr. Pl. Pendl. p. 104. NoETH Mexico, Chihuahua {Thurher), Sierra Madre ( Wislizenus). 3. Tridax brachylepis, Hemsley, n. sp. Parce pilosula^ foliis crassiusculis ovato-lanceolatis, capitulis discoideis (an semper?) longissime pedunculatis, paleis quam flores multo brevioribuSj pappi squamis brevibus. Herba annua, erecta, rami's gracilibus, glabrescentibus. Folia breviter petiolata, crassiuseula (ut videtur subcarnosa, venis obsoletis), ovato-lanceolata, 1-3 poll, longa, obtusa, remote calloso- dentata, interdum obscure lobata, utrinque parce pilosula. Capitula discoidea, flava (ex Galeottio), parva; involucri bractese glabrae, coriaceo-scariosBe, ovato-oblongse, apice obtu- sissimse vel rotundatse, purpureas vel rosese, exteriores breviores; receptaculum conicum; palese floribus fere dimidio breviores, membranacese, glabrae, striatae, trifidae ; corollae anguste infundibuliformes, extus deorsum sericeo-villosae. Achenia appresse sericeo-villosa ; pappi squamae numerosae, breves, plumosae. South Mexico, Cordillera of Oaxaca, 7000 feet {Galeotti, 2024). Hb. Kew. 4. Tridax Candidissima, A. Gr. in Proc. Amer. Acad. XV. p. 39. NoETH Mexico, region of San Luis Potosi, 6000'^,to 8000 feet {Parry & Palmer, 510). Hb. Kew. • 5. Tridax coronopifolia, Hemsley. Ptilostephium coronopifolium, H. B. K. Nov. Gen. et Sp. iv. p. 355, t. 387. NpETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 508) ; 208 COMPOSITE. South Mexico, Guadalupe, Tacubaya, San Angel, &c., valley of Mexico, 6950 feet [Hwmholdt & Bonpland; Bourgeau, 164, 705; BilimeJc, 491; Schaffner), Zimapan {Coulter, 348 ; Galeotti, 2434), Eeal del Monte {Coulter, 376 ; Galeotti, 2432), Oaxaca, 5000 feet {Galeotti, 2119). Hb. Kew. 6. Tridax obovata, Turcz. in Bull. Soc. Nat. Mosc. xxiv. p. 187; Walp. Ann. v. p. 238. South Mexico, Sierra San Pedro Nolasco &c. {Jurgensen, 124). Hb. Kew. 7. Tridax palmeri, A. Gr. in Proc. Amer. Acad. xv. p. 38. NoETH Mexico, on rocky bluffs at Alvarez, thirty miles south-east of San Luis, at 8000 feet {Parry & Palmer, 489, 490, and 482^). Hb. Kew. Vs. Tridax procumbens, Linn. Sp. Pi. ed. 1, p. 900 ; DC. Prodr, V. p. 679. Amellus pedunculatus , Ort., ex Willd. NoETH Mexico, Monterey {Eaton & Edwards), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 520) ; South Mexico, Orizaba {Salle), Yucatan {Linden, 1242), Zacuapan &c.. Vera Cruz {Linden, 486 ; Galeotti, 2275) ; Guatemala, Volcan de Fuego, 3800 feet {Salvin); Nioaeagua {(Ersted); Costa 'Rick {(Ersted) ; Panama, old walls about the city of Panama {S. Hayes, 692). — North part of South Ameeica and the West Indies ; also naturalized in India and Mauritius. Hb. Kew. 9. Tridax trifida, A. Gr. in Proc. Amer. Acad. xv. p. 39. PtilostepMum trifidum, H. B. K. Nov. Gen. et Sp. iv. p. 255, t. 388. South Mexico, between Guanajuato and Valladolid, at 5400 feet {Humboldt & Bon'pland). Var. alboradiata, A. Gr. in Proc. Amer. Acad. xv. p. 39. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 511). Hb. Kew. 10. Tridax trilobata, Hemsley. Galimoga trilobata, Cav. Ic. PI. iii. p. 43, t. 283 ; Bot. Mag. t. 1895 ; Sweet, Brit. Fl. Gard. t. 56. Sogalgina trilobata, Cass. Diet. xlix. p. 397; DC. Prodr. v. p. 678. South Mexico, Pedregal {Bourgeau, 846). Hb. Kew. 146. LAYIA. Layia, Hook, et Arn. Bot. Beech. Voy. p. 148, non eorund. loo. cit. p. 183 ; Benth. et Hook. Gen. Plant, ii. p. 395. A North-American genus of about a dozen herbaceous species, chiefly inhabiting California and New Mexico. 1. Layia (Madaroglossa) neomexicana, A. Gr. Pi. Wright, ii. p. 98. New Mexico.— Noeth Mexico, Chihuahua {Parry). COMPOSITE. 209 Tribe VI. HELENIOIDE^. HelenioidetB, Benth. et Hook. Gen. Plant, ii. pp. 167 et 199. Fifty-nine genera are included under this tribe, whereof all, except two, are endemic in America, chiefly inhabiting extratrppical regions. The species number nearly 300, by far the greater part being herbaceous, or only shrubby at the base. 147. JAUMEA. Jaumea, Pers. Syn. Plant, ii. p. 397; Benth. et Hook. Gen. Plant, ii. p. 397. Six species are referred to this genus, two of which (one unpublished) inhabit Tropical Africa, the others California, Mexico, and Buenos Ayres. Tbey are herbs or undershrubs. 1. Jaumea mexicana, Benth. et Hook. Gen. Plant, ii. p. 397. Espejoa mexicana, DC. Prodr. v. p. 660. Mexico, San Dionisio {Alaman) ; Nicaragua, Granada ((Ersted, 225). Hb. Kew. 2. Jaumea peduncularis, Benth. et Hook. Gen. PI. ii. p. 897. Chathymenia peduncularis, Hook, et Arn. Bot. Beech. Voy. p. 298^ t. 62. South Mexico, Jalisco {Beechey). Hb. Kew. 148. OLIVIA. Olivaa, Schz. Bip.; Benth. in Hook. Ic. PI. t. 1103j Benth. et Hook. Gen. Plant, ii. p. 397. An herbaceous monotype, endemic in Mexico. 1. 01iv£ea tricuspis, Schz. Bip.; Hook. Ic. PI. t. 1103. South Mexico, near Guadalaxara (Schaffner). 149. EUTETRAS. Eutetras, A. Gr. in Proc. Amer. Acad. xv. p. 39. A diminutive shrubby monotype, endemic in Mexico. 1. Eutetras palmeri, A. Gr. in Proc. Amer. Acad. xv. p. 40. (Tab. XLIII. figg. 6-13.) North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Palmer & Palmer, 520i), Zacatecas {Coulter, 318). Hb. Kew. EXPLANATION OF TAB. XLIII. Figg. 6-13. Fig. 6, portion of plant, nat. size; 7, a ray-flower; 8, a disk-flower; 9, a stamen; 10, style of a disk-flower; 11, a style of a ray-flower; 12, a scale of the pappus; 13, a bristle of the pappus : all enlarged. BIOL. CENT.-AMER., Bot. Vol. II., Octoler 1881. 2 e 210 COMPOSITiE. 150. EOSILLA. Rosilla, Less. Syn. Comp. p. 245 ; Benth. et Hook. Gen. Plant, ii. p. 397. An obscure genus, founded upon a garden plant stated to be of Mexican origin. 1. Rosilla lutea, Less. Syn. Comp. p. 245. Mexico. 151. LAPHAMIA. Laphamia, A. Gr. PI. Wright, i. p. 99, t. 9 ; Benth. et Hook. Gen. Plant, ii. p. 398. A genus of about a dozen species of undershrubs and herbs inhabiting Mexico and the adjoining countries to the north. 1. Laphamia agloSSa, Benth. et Hook. Gen. PI. ii. p. 398. Perityle aglossa, A. Gr. PI. Wright, ii. p. 107. NoETH Mexico, Presidio del Norte, Chihuahua {Parry). Hb. Kew. 2. Laphamia coronopifolia^ Hemsley. Perityle coronopifolia, A. Gr. PI. Wright, ii. p. 83. New Mexico. — North Mexico, Sonora {Schott). 3. Laphamia lemmoni, A. Gr. in Proc. Amer. Acad. xvi. p. 101. NcETH Mexico, Tucson, S. Arizona [Lemmon). 4. Laphamia parryi, Benth. et Hook. Gen. PI. ii. p. 398. Perytile parryi, A. Gr. PI. Wright, ii. p. 106. NoETH Mexico, Chihuahua {Parry). 5. Laphamia, sp. Mexico {Coulter, 211). Hb. Kew. 152. PERITYLE. Perityle, Benth. Bot. Voy. ' Sulphur/ p. 33, t. 15 ; Benth. et Hook. Gen. Plant, ii. p. 398. Four herbaceous species, three of them inhabiting California. ^1. Perityle microglossa, Benth. Bot. Voy. ' Sulphur,' p. 119. NiCAEAGUA, Realejo {Sinclair). Hb. Kew. It is possible that this also is a native of California, and not of Central America. 153. OXYPAPPUS. Oxypappus, Benth. Bot. Voy. 'Sulphur/ p. 118; Benth. et Hook. Gen. Plant, ii. p. 398. An herbaceous monotype. 1. Oxypappus SCaber, Benth. Bot. Voy. ' Sulphur,' p. 118, t. 42. Chrysopsis? scaber, Hook, et Arn. Bot. Beech. Voy. p. 434. Pedis seemannii, Schz. Bip. in Seem. Bot. Voy. ' Herald/ p. 309. NoETH Mexico, Sierra Madre and Cerro de Pinal {Seemann, 2038, 1470) ; South Mexico, San Bias to Topic {Sinclair), Cordillera of Oaxaca. 5000 to 6000 feet {Galeotti, 2057). Hb. Kew. COMPOSITE. 211 154. HECUBtEA. Hecubma, DC. Prodr. v. p. 665 ; Benth. et Hook. Gen. Plant, ii. p. 400. An herbaceous monotype. 1. Hecubaea SCOrzonerSBfolia, DC. Prodr. v. p. 665 ; Deless. Ic. Sel. iv. t. 43. Helenium scorzonerafolium, var. ghiesbreghtii, A. Gr. in Proc. Amer. Acad. vii. p. 359. South Mexico, Desierto Viejo, valley of Mexico (Bourgeau, 833), Chiapas, &c. {Ghiesbreght, 118, 527). Hb. Kew. 155. EIDDELLIA. Riddellia, Nutt. in Trans. Amer. Phil. Soc. ser. 2, vii. p. 371 j Benth. et Hook. Gen. Plant, ii. p. 401. Three herbaceous or half-shrubby species, inhabiting the North-Mexican region from Texas to California. 1. Riddellia arachnoidea, A. Gr. Pi. Fendl. p. 94. Psilostrpphe gnaphalodes, DC. Prodr. vii. p. 261. Texas; Nev Mexico; Colokado. — Noeth Mexico, Ojo de San Bernardo (Gregg), Monterey {Serlandier, Edwards), Buena Vista and Saltillo (Gregg). Hb. Kew. 2. Riddellia tagetina, Nutt. in Trans. Amer. Phil. Soc. ser. 2, vii. p. 371, ex Torr. & Gr. El. N. Am. ii. p. 362 ; Torr. in Emory's Rep. App. t. 5. Texas ; New Mexico. — North Mexico, Chiricahui Mountains (Torrey), Camp Bowie, S. Arizona (Bothrock), common on the frontier (ex A. Gray). Hb. Kew. 156. HYMENOPAPPUS. Hymenopappus, Lher. Diss, cum Ic. ex DC. Prodr. v. p. 658; Benth. et Hook. Gen. Plant, ii, p. 402. An exclusively North- American genus of seven herbaceous species. 1. Hymenopappus flavescens, A. Gr. Pi. Fendl. p. 97. Texas; New Mexico. — Noeth Mexico, Frontera (Wright). 157. BAHIA. Bahia, Lag. Elench. PI. Hort. Matr. Gen. et Sp. Nov. p. 30; Benth. et Hook. Gen. Plant, ii. p. 402. Shrubs, undershrubs, or herbs inhabiting North America, chiefly the west, and Extra- tropical South America. About twenty species are known. 1. Bahia absinthifolia, Benth. PL Hartw. p. 18. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 493), Frontera (Wright); South Mexico, Aguas Calientes (Hartweg, 128). Hb. Kew. 2e2 212 COMPOSITE. 2. Bahia anthemoides, A. Gr. in Proc. Amer. Acad. XV. p. 40. Achyropappus anthemoides, H. B. K. Nov. Gen. et Sp. iv. p. 259, t. 390. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry (& Palmer, 4:94.); South Mexico, around Toluca, 8300 feet {Humboldt & Ponpland). Hb. Kew. 3. Bahia dealbata, A. Gr. Pi. Fend], p. 99. Texas ; New Mexico. — North Mexico, Chihuahua (Gregg), Nuevo Leon (Berlandier). Hb. Kew. 4. Bahia sinuata^ Less, in Linnsea, vi. p. 160 ; DC. Prodr. v. p. 656. Bahia nepeteefolia, A. Gr. Proc. Amer. Acad. v. p. 184. North Mexico, San Luis Potosi to Tampico (Palmer, 1090) ; South Mexico, near Tantoyuca (Ervendberg, 65), Santa Barbara (Liehmann, 220). Hb. Kew. • 5. Bahia stcechadifolia, DC. Prodr. v. p. 656. Eriophyllum stoechadifolium, Lag. Elench. Hort. Matr. p. 28. South Mexico, Eeal del Monte (Hcenke). 6. Bahia trolliifolia, DC. Prodr. v. p. 657. Eriophyllum trolliifolium, Lag. Elench. Hort. Matr. p. 28. Mexico. 158. SCHKUHEIA. Schkuhria, Roth. Catal. i. p. 116 ; Benth. et Hook. Gen. Plant, ii. p. 403. A genus of about eight herbaceous species, ranging from Mexico to South America. 1. Schkuhria abrotanoides, Eoth. Catal. i. p. 116 ; DC. Prodr. V. p. 654. South Mexico, Cordillera of Oaxaca, 4000 feet (Galeotti, 2045), Vera Cruz to Orizaba (Muller, 270), Guadalupe (Bourgeau, 372), Eeal del Monte (Coulter, 314). — Southward to Peru. Hb. Kew. 2. Schkuhria biternata, Benth. et Hook. Gen. Plant, ii. p. 403. Bahia hiternata, A. Gr. PI. Wright, ii. p. 95. New Mexico. — North Mexico, Sonora (Schott). 3. Schkuhria hopkirkia, A. Gr. PL Wright, ii. p. 94. Hopkirkia anthemoides, DO. Prodr. v. p. 660. North Mexico, Sonom (Wright); South Mexico, Eeal del Monte (Hcenke). Hb. Kew. 4. Schkuhria senecioides, Nees, Del. Sem. Hort. Bonn. 1831. Achyropappus schkuhrioides, Link et Otto, Ic. PL Bar. t. 30 ; DC. Prodr. v. p. 654. Mexico. Hb. Kew. 5. Schkuhria virgata, DC. Prodr. v. p. 654. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 427) ; South Mexico, Guanajuato (Mendez), near Tacubaya (Schaffner), between Mexico and COMPOSITE. 213 Queretaro {Berlandier), Chapultepec {Bilimeh) ; Guatemala, Llano de San Juan de Dios {Bernoulli, 135). Hb. Kew. 6. Schkuhria wislizenii, A. Gr. pi. Fendl. p. 96. North Mexico, Cosiquiriachi, Chihuahua ( WisUzenus). 7. ScKkuhria wrighti, A. Gr. Pi. Wright, ii. p. 96. North Mexico, Sonora {Thurher, Wright). Hb. Kew. 159. HYMENOTHRIX. Hymenothrix, A. Gr. PI. Fendl. p. 103 ; Benth. et Hook. Gen. Plant, ii. p. 403. Limited to the following species, which are herbaceous plants. 1. Hymenothrix wislizenii, A. Gr. Pi. Fendl. p. 102. New Mexico. — North Mexico, Ojo de Gallejo, between El Paso del Norte and Chihuahua {WisUzenus). 2. Hymenothrix? wrightii, A. Gr. Pi. Wright, ii. p. 97. New Mexico. — North Mexico, Chiricahui, Sonora ( Wright), Camp Grant, S. Arizoza {Bothrock). Hb. Kew. 160. VILLANOVA. Villanova, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 31, non Ort.j Benth. et Hook. Gen. Plant, ii. p. 404. About half a dozen herbaceous species, inhabiting the country from Mexico to Peru. 1. Villanova achillseoides, Less. Syn. Comp. p. 256 ; DC. Prodr. vi. p. 75. Unxia achill(Boides, Less, in Linnsea, v. p. 159. South Mexico, Llano de Perote {Schiede & Beppe). {Villanova oppositifolia, Lag., does not appear to be a Mexican plant, but a native of South America, from Colombia to Bolivia.] ^2, ViUanOVa pratensis, Benth. et Hook. Gen. Plant, ii. p. 405. Chlamysperma pratense, Less. Syn. Comp. p. 256. Unxia pratensis, H. B. K. Nov. Gen. et Sp. iv. p. 379, t. 401. Chlamysperma arenarioides, Hook, et Am. Bot. Beech. Voy. t. 64. South Mexico, Jalisco {Beechey), Capula and Valladolid at about 6300 feet {Humboldt & Bonpland), Colima, 4000 feet {Galeotti, 2449) ; Salvador, Sonsonate {Bernoulli, 26) ; Nicaragua {(Ersted, 113 ; Levy, 140). Hb. Kew. 161. FLOEESTINA. Florestina, Cass, in BuU. Philom. 1815 ; Benth. et Hook. Gen. Plant, ii. p. 405. Two herbaceous species, confined to the Mexican region. 214 COMPOSITiE. 1. Plorestina pedata, Cass. Diet. xvii. p. 155, t. 86 ; DC. Prodr. v. p. 655. Stevia pedata, Cav. Ic. PI. iv. t. 356. Achyropappus pedatus, Less. Syn. Comp. p. 239. Jgeratum pedatum, Ort. Dec. p. 88. Hymenopappus pedatus, Lag. Nov. Gen. p. 28. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 495) ; South Mexico, around the city of Mexico {Berlandier, 707, 743), near Eeal del Monte, at 5000 feet {Galeotti, 2368), near Belen [Schaffner, 285), valley of Mexico {Bourgeau, 598). Hb. Kew. 2. riorestina tripteris, DC. Prodr. v. p. 655. Texas. — North Mexico, Boca del Rio (Liebmann, 71). Hb. Kew. 162. PALAFOXIA. Palafoxia, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 26; Benth. et Hook. Gen. Plant, ii. p. 405. About half a dozen herbaceous and shrubby species, inhabiting Florida and the Mexican region. 1. Palafoxia latifolia, DC. Prodr. v. p. 125. South Mexico, around Tehuantepec {Andrieux, 286). Hb. Kew. 2. Palafoxia lindeni, A. Gr. Pl. Wright, i. p. 120. South Mexico, Antigua, Vera Cruz {Linden, 1149), sand-hills near the sea, Vera Cruz {Galeotti, 2267). Hb. Kew. 3. Palafoxia linearis, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. n. 335 ; DC. Prodr. V. p. 125 ; Bot. Mag. t. 2132. Ageratum lineare, Cav. Ic. PI. iii. t. 205. Stevia linearis et lavandulafolia, Willd. Paleolaria carnea, Cass, in Bull. Philom. 1816, 1818. California ; Arizona. — North Mexico, Chihuahua {Schott). Cultivated specimens only in Hb. Kew. 4. Palafoxia texana, DC. Prodr. v. p. 125. Texas. — North Mexico, Tamaulipas {Berlandier, 1419), San Luis Potosi to San Antonio, Texas {Parry, 495^), without locality {Gregg). Hb. Kew. 163. PERICOME. Pericome, A. Gr. PI. Wright, ii. p. 81 ; Benth. et Hook. Gen. Plant, ii. p. 406. Herbaceous plants confined to the Mexican region. 1. Pericome caudata, A. Gr. Pi. Wright, ii. p. 81. Colorado; New Mexico.— North Mexico, Cobre &c., within the old boundary {Bigelow). Hb. Kew. COMPOSITE. 215 2. Pericome Spilanthoides, Benth. et Hook. Gen. PI. ii. p. 406. Galimogeopsis spilanthoides, Schz. Bip. in Seem. Bot. Voy. 'Herald/ p. 307. NoETH Mexico, Sierra Madre {Seemann, 1981, 1982). Hb. Kew. 164. GALEANA. Galeana, Llav. et Lex. Nov. Veg. Descr. i. p. 12 j Benth. et Hook. Gen. Plant, ii. p. 406. An herbaceous monotype of doubtful affinity. 1. Galeana hastata, Llav. et Lex. Nov. Veg. Descr. i. p. 12 ; DC. Prodr. vii. p. 257. South Mexico, San Jose del Corral (La Llave). 165. MICROSPERMUM. Microspermum, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 25 ; Benth. et Hook. Gen. Plant, ii. p. 407. Prostrate herbs. Probably only one species. 1. Microspermum debile, Benth. Pi. Hartw. p. 64. Miradoria sartorii, Schz. Bip. ex Benth. et Hook. Gen. PI. ii. p. 407. South Mexico, Cumbre de Tanitze [Liehmann], Talea {Hartweg), CordUlera of Oaxaca, in the pine region, at 8000 feet {Galeotti, 2132). Hb. Kew. 2. Microspermum nummularisefolium, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 25 ; DC. Prodr. vii. p. 259. South Mexico, at Guanajuato, Queretaro and Salvatierra (ex Lagasca). 166. SARTWELLIA. Sartwellia, A. Gr. PI. Wright, i. p. 122 ; Benth. et Hook. Gen. Plant, ii. p. 407. An herbaceous monotype. 1. Sartwellia flaveriae, A. Gr. Pi. Wright, i. p. 122, t. 6. Texas. — North Mexico, Coahuila (Schott). Hb. Kew. 167. FLAVERIA. Flaveria, Juss. Gen. Plant, p. 186 ; Benth. et Hook. Gen. Plant, ii. p. 407. About seven or eight herbaceous species, one of which is Australian, and the others American, ranging from Mexico and Florida to Chili. The Australian species is hardly distinct from the common American F. contrayerba. The Mexican species need revision. 216 COMPOSITE. 1. Flaveria angUStifolia, Pers. Ench. ii. p. 489; DC. Prodr. V. p. 635. Milleria angustifolia, Cav. Ic. PI. iii. t. 233. South Mexico, Cordillera of Oaxaca, 5000 to 5500 feet (Galeotti, 2122 ; Aindrieux, 345). Hb. Kew. 2. Plaveria chloraefolia, A. Gr. Pi. Fendl. p. 88. North Mexico, Playo, Chihuahua (Wislizenus, Palmer). Hb. Kew. 3. Flaveria COntrayerba, Pers. Ench. ii. p. 489 ; DC. Prodr. V. p. 635 ; Bot. Mag. t. 2400. Milleria contrayerba, Cav. Ic. PI. 1. t. 4. Texas. — Mexico, Tehuacan {Liebmann, 267), Eeal del Monte {Berlandier), west of Guanajuato {Mendez). — Widely dispersed in South America. Hb. Kew. 4. Flaveria linearis, Lag. Nov. Gen. p. 33 ; DC. Prodr, v. p. 635. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 498, 500).— Cuba. Hb. Kew. 5. Flaveria longifoHa, A. Gr. PI. Fendl. p. 88. Texas. — North Mexico, without locality {Gregg); South Mexico, Tehuacan {Lieh- mann). Hb. Kew. 6. Flaveria repanda, Lag. Nov. Gen. p. 33. Broteroa trinervaia, Pers. EncL.. ii. p. 498; DC. Prodr. v. p. 636. North Mexico, Chihuahua {Potts); South Mexico, Tehuacan, 5000 to 6000 feet {Galeotti, 2639).— Cuba; Brazil. Hb. Kew. 168. POKOPHYLLUM. Porophyllum, Vaill.j ex Linn. Hort. Cliff, p. 494; Benth. et Hook. Gen. Plant, ii. p. 408. As here limited, this is an exclusively American genus, comprising about twenty her^ baceous and half-shrubby species, ranging from Mexico to Buenos Ayres. 1. PorophyUum amplexicaule, Engelm. ; A. Gr. Pi. Wright, i. p. 120. North Mexico, Coahuila {Gregg, 524). Hb. Kew. 2. PorophyUum Coloratum, DC. Prodr. v. p. 650. Kleinia colorata, H. B. K. Nov. Gen. et Sp. iv. p. 158 ; Mart. Amoen. Monac. p. 23, t. 15. South Mexico, Tlapujahua {Keerl), around Guanajuato and Temasco, 6250 feet {Evmboldt & Bonpland), Zimapan {Coulter, 448)'? Hb. Kew. 3. PorophyUum decumbens, DC. Prodr. v. p. 650. Kleinia suffruticosa, Lodd. Bot. Cab. t. 1561, non Willd. Mexico. Cultivated specimens in Hb. Kew. 4. PorophyUum greggii, A. Gr. Pi. Wright, i. p. 120. North Mexico, Sonora and Chihuahua {Wright), Coahuila {Gregg). Hb. Kew. COMPOSITE. 217 5. Porophyllum jorullense, Cass. Diet, xliii. p. 57 ; DC. Prodr. v. p. 649. Kleinia JoruUensis, H. B. K. Nov. Gen. et Sp. iv. p. 156, t. 356. South Mexico, Volcan de JoruUo, at 3600 feet (Humboldt 8f Bonpland). 6. Porophyllum linaria, DC. Prodr. v. p. 649. Cacalia linaria, Cav. Ic. PI. iii. p. 29, t. 257. South Mexico, Orizaba, cult. {Botteri, 1051). Hb. Kew. 7. Porophyllum lindenii, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 308. NoETH Mexico, Sierra Madre {Seemann, 2020); South Mexico, Aguas Calientes [Hartweg, 147). Hb. Kew. This is perhaps the same as P. viridiflorum, DC. 8. Porophyllum linifolium, DC. Prodr. v. p. 649. Cacalia linifolia, Linn. Mant. p. 109. Kleinia suffruticosa, Willd. Sp. PI. iii. p. 1739. Mexico {Hoenke). — Brazil ; Peru. 9. Porophyllum macrocephalum, DC. Prodr. v. p. 648. New Mexico ; Arizona. — North Mexico, Sonera {Thurber), region of San Luis Potosi, 6000 to 8000 feet [Parry & Palmer, 505) ; South Mexico, valley of Cordova (Pourgeau, 2036), Cordillera of Oaxaca, 5500 feet (Galeotti, 2048), Zimapan (Coulter, 447). Hb. Kew. 10. Porophyllum nummularium, DC. Prodr. v. p. 649. South Mexico, Tehuantepec (Alaman), Zacuapan (Liebmann, 206). Hb. Kew. 11. Porophyllum ohtusifolium, DC. Prodr. v. p. 650. South Mexico, near Villalpando (Mendez). 12. Porophyllum SCOparium, A. Gr. PL Wright, i. p. 119. Texas. — North Mexico, Sonora and Chihuahua (Bigelow, Thurber). 13. Porophyllum seemannii, Schz. Bip. in Seem. Bot. Voy. ' Herald,' p. 308. North Mexico, Sierra Madre (Seemann, 2013). Hb. Kew. 14. Porophyllum tagetoides, DC. Prodr. v. p. 650. Kleinia tagetoides, H. B. K. Nov. Gen. et Sp. iv. p. 158. South Mexico, Tacubaya, Guadalupe, &c., valley of Mexico (Schaffne'r, 260 ; Bilimek, 493), Zacoalco (Bourgeau, 584), without locality (Parkinson). Hb. Kew. 15. Porophyllum viridiflorum, DC. Prodr. v. p. 658. Kleinia viridiflora, H. B. K. Nov. Gen. et Sp. iv. p. 157. South Mexico, Trapiche de la Concepcion (Liebmann, 209), Orizaba (Botteri, 1163 ; Bourgeau, 3090), Cuernavaca (Berlandier), near Valladolid, at 6000 feet (Humboldt 8f Bonpland), Mirador, Vera Cruz (Linden, 1160). Hb. Kew. BIOL. CENT.-AMER., Bot. Vol. II., October 1881. 2/ 218 COMPOSITiE. 16. Porophyllum, sp. South Mexico, Sierra San Pedro Nolasco, &c. (Jurgemen, 678). Hb. Kew. 17. Porophyllum, sp. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 502), Zacatecas [Coulter, 448 ; Hartweg, 146), without locality [Mairet, Parkinson, Tate). Hb. Kew. 18. PorophyUum, sp. Mexico, Mazatlan {Seemann, 1491; Coulter, 446), San Bias to Tepic {Sinclair). Hb. Kew. 169. ADENOPHYLLUM. Adenophyllum, Pers. Syn. PI. ii. p. 458 ; Benth. et Hook. Gen. Plant, ii. p. 408. Annual herbs, limited to the Mexican region. 1. Adenophyllum COCCineum, Pars. Syn. PI. ii. p. 458 ; DC. Prodr. v. p. 638. Adenophyllum capillaceum, DC. Prodr. v. p. 638 ; Caiques des Dess. PI. Max. 620. Willdenowa glandulosa, Cav. Ic. PI. i. t. 89. Schlechtendalia glandulosa, Willd. Sp. PI. iii. p. 2125. South Mexico, Cordillera of Oaxaca, in maize-fields at 4500 feet (Galeotti, 2042), near Doscaminos (Nee). Hb. Kew. Y2. Adenophyllum porophyllum, Hemsley. Pteronia porophyllum, Cav. Ic. PI. iii. p. 13, t. 225. Dyssodia porophyllum, WHIA. Enilm. p. 900; DC. Prodr. v. p. 639. Boebera porophyllum, Less. Syn. p. 237. Lebetina cancellata, Cass. Diet. xxv. p. 394. North Mexico, Sonora (Schott), Chihuahua (Thurher), San Luis Potosi to Tampico (Palmer, 1118) ; South Mexico, Zimapan (Coulter, 442), Cuernavaca (Bourgeau, 1209) ; Guatemala, San Gabriel (Bernoulli, 1093). Hb. Kew. 3. Adenophyllum wrightii, A. Gr. Pi. Wright, ii. p. 92. North Mexico, Cobre ( Wright). Hb. Kew. 170. NICOLETTIA. Nicolettia, A. Gr. PI. Wright, i. p. 119 ; Benth. et Hook. Gen. Plant, ii. p. 409. Dwarf herbs. , The following and one Californian species. 1. Nicolettia edwardsii, A. Gr. Pi. Wright, i. p. 119, t. 8. North Mexico, Guajuquilla, Chihuahua (Edwards). 171. DYSODIA. Dysodia, Cav. (Dyssodia) in Ann. Cienc. Nat. vi. p. 334, ex DC. Prodr. v. p. 639 ; Benth. et Hook. Gen. Plant, ii. p. 409. This genus comprises about ten herbaceous species, inhabiting California, Arizona, COMPOSITiE. 219 Mexico, and Central America ; and one of the Mexican species extends to tlie eastern States of North America. 1. DySOdia appendiculata, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 29 ; DC. Prodr. v. p. 640. Clomenocoma aurantia, Cass. Diet. ix. p. 416 ; DC. Prodr. t. p. 641 ; Reliq. Houst. {Aster) 1. 18. North Mexico, Sierra Madre {Seemann, 1991) ; South Mexico, Vera Cruz {Houston), Acapulco {Nee), west of Guanajuato (Mendez). Hb. Kew. 2. Dysodia Chrysanthemoides, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 29 ; DC. Prodr. v. p. 640. Dysodia tagetiflora, Lag. loc. cit. Dysodia fastigiata, DC. Prodr. v. p. 640. Baebera chrysanthemoides, Willd. Sp. PI. iii. p. 2125. Boebera fastigiata, H. B. K. Nov. Gen. et Sp. iv. p. 198. Tagetes papposa, Vent. Hort. Cels. t. 36. Dysodia glandulosa, Cav. Dem. Bot. p. 202. MissouEi and Kentucky southward. — North Mexico, Chihuahua {Tlmrher), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 507) ; South Mexico, Eeal del Monte to Zacatecas {Coulter, 432), Zimapan {Galeotti, 2403), valley of Mexico {Bour- geau, 842 ; Schaffner, 256), Ario and Pazcuaro, 6000 feet {Eumholdt 8f Ponpland). Hb. Kew. 3. Dysodia grandiflora, DC. Prodr. v. p. 640. Comaclinium aurantiacum, Scheidw. et Planch, in PI. des Serres, t. 756. Clomenocoma montana, Benth. PI. Hartw. p. 86 ; Bot. Mag. t. 5310. Guatemala, in the mountains of Aceytuno {Hartweg) ; Nicaragua, Segovia and Cartago {(Ersted, 142, 95, 98). Hb. Kew. 4. Dysodia pubeSCens, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 29 ; DC. Prodr. V. p. 640. Dysodia integerrima, Lag. loc. cit. Dysodia incana, DC. Prodr. v. p. 640. Boebera incana, Lindl. Bot. Reg. 1. 1602. Aster pinnatus, Cav. Ic. iii. p. 6, t. 212. Clomemcomal pinnata, DC. Prodr. v. p. 641. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 512) ; South Mexico, Santa Fe, &c., valley of Mexico {Bourgeau, 366 ; Schafner, 271), region of Orizaba {Botteri, 1183 ; Bourgeau, 3087), Zimapan {Coulter, 431), valley of Cordova {Bourgeau, 2206). Hb. Kew. 172. SYNCEPHALANTHUS. Syncephalanthus, Bartl. Ind. Sem. Hort. Goett. 1836, ex Linnaea, xii. Lit.-Ber. p. 80; Benth. et Hook. Gen. Plant, ii. p. 409. An annual herbaceous monotype. 2/2 220 COMPOSITE. 1. Syncephalanthus decipiens, Bartl. Ind. Sem. Hort. Goett. 1836, p. 6 ; DC. Prodr. vii. p. 262. South Mexico, Cordillera of Oaxaca, cultivated fields at 4000 to 5000 feet {Galeotti, 2026) ; Guatemala, Duenas {Salvin & Godman, 42), Baiio de los Padres {Bernoulli, 195). Hb. Kew. 173. HYMENATHEEUM. Hymenatherum, Cass, in Bull. Philom. 1817, Diet. xxii. p. 313; Benth. et Hook. Gen. Plant, ii. p. 410. About fifteen herbaceous and half-shrubby species, inhabiting Mexico, Texas, and California, one species reappearing in Chili. 1. Hymenatherum acerosum, A. Gr. PI. Wright, p. 115. Dysodia [Aciphyllma) acerosa, DC. Prodr. v. p. 641. Texas; New Mexico.— North Mexico, Sonora (Schoft), Saltillo {Gregg, 478), San Luis Potosi {Berlandier, 1340). Hb. Kew. 2. Hymenatherum berlandieri, DC. Prodr. v. p. 642. NoETH Mexico, near Monterey {Berlandier, 1382), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 515). Hb. Kew. 3. Hymenatherum boeberoides, A. Gr. Pi. Wright, i. p. 115. Mexico {Bates). 4. Hymenatherum diffusum, A. Gr. PI. Wright, i. p. 116. NoBTH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 513, 517), without locality {Tate, Bates). Hb. Kew. 5. Hymenatherum gnaphalopsis, A. Gr. PL Fendl. p. 115, Pi. Wright, i. p. 116. Hymenatherum gnaphalodes, A. Gr. PI. Fendl. p. 90. Gnaphalopsis micropoides, DC. Prodr. vii. p. 258. North Mexico, near Monterey {Gregg, Berlandier, 1407), valley of Santa Catarina {Berlandier, 1404). Hb. Kew. 6. Hymenatherum hartwegii, A. Gr. Pi. Wright, i. p. 116. Hymenatherum berlandieri, Benth. PI. Hartw. p. 18, non DC. Texas.— North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 514) ; South Mexico, Aguas Calientes {Hartweg, 129). Hb. Kew. 7. Hymenatherum naei, DC. Prodr. v. p. 642 ; A. Gr. Pi. Wright, i. p. 116. Mexico {Tate). 8. Hymenatherum pentachaetum, DC. Prodr. v. p. 642. Texas.— North Mexico, near Buena Vista {Gregg, 30, 475), between Santander and Victoria {Berlandier, 2253). Hb. Kew. COMPOSITE. 221 9. Hymenatherum serratifolium, Hemsley. Dysodia serratifolia, DC. Prodr. v. p. 641. South Mexico, Atilla, Oaxaca {Alaman), Cordillera of Oaxaca, at 4000 to 5000 feet {Galeotti, 2040), Chiapas, &c. (Ghiesbreght, 519). Hb. Kew. Galeotti and Ghiesbreght's specimens agree with DeCandolle's description, except that the involucre is more or less bracteolate. 10. Hymenatherum tenuifolimn, Cass. Diet. xxii. p. 313 ; A. Gr. PL Wright. i. p. 118. Hymenatherum tenuilobum, DC. Prodr. v. p. 642. Texas. — Noeth Mexico, Chihuahua and Sonora (ex A. Gray). — Chili. Hb. Kew. 174. THYMOPHYLLUM. Thymophyllum, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 25 {Thymophylla) ; Benth. et Hook. Gen. Plant, ii. p. 410. Three half-shrubby species, inhabiting Mexico and the adjoining country to the north. 1. Thymophyllum greggii, A. Gr. Pi. Fendl. p. 92, Pi. Wright, i. p. 119. Texas. — Noeth Mexico, Buena Vista, Coahuila {Gregg). Hb. Kew. 2. Thymophyllum setifolium, Lag. Elench. Hort. Matr. p. 25 ; DC. Prodr. v. p. 647. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 516), without locality {Gregg, 2i84); South Mexico, Zimapan {Coulter, 445). Hb. Kew. 175. ADENOPAPPUS. Adenopappus, Benth. PI. Hartw. p. 41 j Benth. et Hook. Gen. Plant, ii. p. 411. An herbaceous monotype. 1. Adenopappus persicaefolius, Benth. Pi. Hartw. p. 41. South Mexico, banks of rivers, Maravateo {ffartweg). Hb. Kew. 176. TAGETES. Tagetes, Linn. Gen. Plant, n. 964; Benth. et Hook. Gen. Plant, ii. p. 411. An American genus of herbs, ranging from Texas, Arizona, and New Mexico to Bolivia and Buenos Ayres. There are about twenty species, several of which are naturalized in warm countries of the Old World. 1. Tagetes angustifolia, H. B. K. Nov. Gen. et Sp. iv. p. 194. South Mexico, near Toluca, at about 8500 feet {Humboldt & Bonpland). 2. Tagetes COronopifolia, Willd. Enum. Suppl. p. 60 ; DC. Prodr. V, p. 646 ; Jacq. Eclog. i. p. 118, t. 80. Tagetes clandestina. Lag. Elench. Hort. Matr. p. 28. 222 COMPOSITE. Tagetes fceniculacea, Desf. Cat. Hort. Par. ed. 3, p. 171. Eualcida pilifera, Cass. Diet. xiv. p. 443. Mexico, cultivated specimens {Graham). Hb. Kew. 3. Tagetes erecta, Linn. Sp. Pi. p. 1249 ,• DC. Prodr. V. p. 643 ; Lamark, 111. t. 684 ; Schk. Handb. t. 251. Tagetes major, Gaertn. Fr. t. 172. South Mexico, Jalapa, Wi)^ ieet {GaleoUi, 2195; Coulter, iZ^), MirsLdiOv {lAnden, 1175), valley of Mexico {Bourgeau, 597, 601), Orizaba {Botteri, 1184, 1185). Hb. Kew. 4. Tagetes foetidissima, DC. Prodr. v. p. 645. South Mexico, Eeal del Monte {Coulter, 437), San Nicolas {Bourgeau, 953), valley of Mexico {Scliaffiier, 259), Cordillera of Guichilaca {Berlandier, 1043). Hb. Kew. 5. Tagetes lucida, Cav. Ic. Pi. iii. p. 33, t. 264 ; DC. Prodr. v. p. 643 ; Bot. Mag. t. 740 ; Andr. Bot. Eep. t. 359. Tagetes florida, Sweet, Brit. Fl. Gard. ser. 2, t. 35. Texas. — Nokth Mexico, without locality {Gregg), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 506), Zacatecas {Hartweg, 119) ; South Mexico, Cordillera of Vera Cruz {Linden, 1142 ; Galeotti, 2280), Orizaba {Bourgeau, 2928 ; Muller, 1790 ; Botteri, 890), Zimapan, 6500 feet {Galeotti, 2424), Tacubaya {Schaffner), Eeal del Monte {Coulter, 435), Colipa {Liehmann, 532), Pedregal {Bourgeau, 383). Hb. Kew. 6. Tagetes lunulata, Ort. Dec. p. 44 ; DC. Prodr. v. p. 647. Mexico. V 7. Tagetes macrOgloSSa, Polak. in Linnsea, xli. p. 580. Costa Eica, San Jose {PolaJcowshy). 8. Tagetes micrantha, Cav. Ic. Pi. iv. p. 31, t. 352 ; DC. Prodr. V. p. 646., Tagetes congesta, Hook, et Am. Bot. Beech. Voy. p. 299. Aeizona ; Texas. — Nokth Mexico, Cerro de Pinal {Seemann, 1474), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 331) ; South Mexico, Eeal del Monte, at about 7500 feet {Galeotti, 2383 ; Coulter, 440), region of Orizaba {Bourgeau, 3053), near Tacubaya {Schaffner), Huitamalco {Liehmann, 537), near Zimapan, 6500 feet {Galeotti, 2435), Cordillera of Vera Cruz {Galeotti, 2249; Linden, 1195), Jalisco {Beechey) ; Guatemala, Volcan de Fuego, 8300 feet {Salvin); Costa Eica {(Ersted, 173, 175, 239). Hb. Kew. 1/9. Tagetes microgloSSa, Benth. Bot. Voy. ' Sulphur,' p. 118. Guatemala, Bano de los Padres {Bernoulli, 188)"?; Costa Eica, Aguacate {(Ersted, 171, 174 ; Endres, 54). Hb. Kew. COMPOSITE. 223 10. Tagetes nmltifida, DC. Prodr. v. p. 646. Tagetes filiformis, Lag. Elench. Hort. Martr, p. 25 ? Texas. — Mexico, valley of Mexico {Schaffner). Hb. Kew. /^i. Tagetes multiseta, DC. Prodr. v. p. 645. Tagetes mbulata, Llav. et Lex. Nov. Veg. Descr. i. p. 31 ? NoETH Mexico, Cerro de Pinal {Seemann, 1472) ; South Mexico, Guadalaxara, 5000 feet (Galeotti, 2399), Cuernavaca {Bourgeau, 1207), San Bias to Tepic {Sinclair), Cor- dillera of Oaxaca, at 1Q^ South Mexico, Teapa {Ghiesbreght, 310). Hb. Kew. 16. Gonolobus macranthus, Kze. in Linnsea, XX. p. 27 ; Walp. Ann. i. p. 508. Mexico, Hacienda de la Laguna {Schiede & Beppe). 17. Gonolobus nemorOSUS, Dene, in DC. Prodr. viii. p. 596. South Mexico, Misteea Alta, Oaxaca, 7000 feet {Galeotti, 1540). 18. Gonolobus niger, E. Br. in Mem. Wern. Soc. i. p. 35 ; DC. Prodr. viii. p. 597 ; Bot. Mag. t. 2799. , Cynanchum nigrum, Cav. Ic. t. 159. South Mexico, near Vera Cruz {Galeotti, 1522 ; Linden, 335). Hb. Kew. 19. Gonolobus nigrescens, Schl. in Linnsea, viii. p. 522 ; DC. Prodr. viii. p. 597. South Mexico, Haeienda de la Laguna {Schiede & Deppe). 20. Gonolobus nummularius, Hemsley. Chthamalia nummularia, Dene, in DC. Prodr. viii. p. 605. South Mexico, Jalapa {Coulter, 980). Hb. Kew. 21. Gonolobus pedunculatus, Hemsley. Chthamalia pedunculata, Dene, in DC. Prodr. viii. p. 605. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 588) ; South Mexico, Morelia, 7000 feet {Galeotti, 1548), Santa Fe {Bourgeau, 132 his). Hb. Kew. 22. Gonolobus (§ Dictyanthus) picturatus, Hemsley, n. sp. (Tab. LVI. B. figg. 5 et 6.) Prseter flores glaberrimus, nitidus, ramis ad nodos tumidis, foliis longe petiolatis subcordato-ovatis aeuminatis, peduneulis paueiflorisj calyce parvulo, corolla rotata striata intus vUIosa, gyno- stegio brevissimo, corona sinuata, stigmate vevtice lacteo. Prutex volubilis, prseter flores glaberrimus^ ramis graeiliusculis, teretibus, ocbraceis, nitidis, ad nodos tumidis. Folia membranacea, longe petiolata; lamina pendula, subcordato-ovata vel oblonga longe acuminata, obtusiuscula, 3-5-pollicaris ; petiolus divaricatus, usque ad 2^-pollicaris basi dilatatus, canalieulatus. Flores umbellatim cymosi, circiter 1 poll, latij pedunculi pauci- flori, graciliusculi, ad 2-pollicares ; pedieelU 4-12 lineas longi; calyx 5-partitus, segmentis oblongo-laneeolatisj obtusis, 1^-3 lineas longis; corolla flavo-virens, longitudinaliter striata intus villosa, rotata, lobis planis, late ovatis, obtusis; corona carnosa, undulata; gynostegium brevissimum; pollinia obliqua, pendula ; stigma vertice depressum^ lacteum. Folliculiignoti. Guatemala, Cerro de Zunil, 4350 feet {Salvin). Hb. Kew. A8CLEPIADILE. 333 In a note accompanying a drawing of this species Mrs. Salvin says, " flowers like delicate work in metal and enamel." The metallic white of the stigma is preserved in the dried specimens. It consists of a thin pellicle, wnich is easily removed. 23. Gonolobus piloSUS, Benth. PL Hartw. p. 289. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 591); South Mexico, Leon (Rartweg), Zimapan (Coulter, 975). Hb. Kew. 24. Gonolobus (§ EugOnolobus) pogonanthus, Hemsley, n. sp. Herbaceus vel suffruticosus, villosus, caudice tuberiformi, caulibus nanis erectis^ foliis oblongis usque orbicularibus, cymis subsessilibus, corolla rotata, segraentis intus medio densissime barbatis, corona alte S-lobata, lobis latis gynostegium pauUo superantibus, polliniis fere horizontalibus, ovariis glabris. Herba vel suffrutex plus minusve villosus, caudice tuberiformi, caulibus crassiusculis, erectis, 4-8- poUicaiibus, internodiis brevibus. Folia crassiusculaj petiolata, oblonga, ovata vel interdum fere orbicularia, cum petiolo 1-2-polIicaria, basi cuneata, rotundata vel cordiformia, apice ob- tusa vel rotundata, venis immersis. Flores 5-6 lineas diametro, in cymas subsessiles pluri- floras dispositi ; pedicelli 1-3 lineas longi ; calyx intus 5-10-glandulosus ; segmenta fere libera, ovato-oblonga, obtusa, petalis triente breviora, glandulis parvis, saepissime in sinibus geminis ; corolla rotata, extus parcissime viliosa, segmentis ovato-lanceolatis, obtusis, margine leviter incurvis, intus medio densissime et longissime barbatis ; corona fere libera, membranaeea, alte 5-lobata, lobis latis, sursum latioribus, intus inappendiculatis, gynostegium superantibus, apice truncatis vel obscure denticulatis ; pollinia oblonga, fere horizontalia ; ovaria glabra, stigmate supra stamina in rostrum globosum producto. Folliculi nobis ignoti. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 586) ; South Mexico, Chiapas {Ghiesbreght, 670). Hb. Kew. 25. Gonolobus productus, Torr. Bot. U.S. and Mex. Bound, Surv. p. 165 ; A. Gr. Synop. Fl. N. Am. ii. p. 106. Texas; Arizona. — North Mexico, Cadena {Gregg). 26. Gonolobus prOStratuS, E. Br. in Mem. Wern. Soc. i. p. 35. Lachnostoma prostratum, Dene, in DC. Prodr. viii. p. 602. Cynanchum prostratum, Willd.; Cav. Ic. i. t. 7. South Mexico, San Angel {Bourgeau, 132). Hb. Kew. 27. Gonolobus (§ Dictyantbus) reflexus, Hemsley, n. sp. Eruticosus, ferrugineo-pilosus vel villosus, fobis membranaceis ovato- oblongis acuminatis, cymis umbelliformibus 6-12-floris subsessiUbus, corolla rotata insigniter reflexa puberula reticulata, segmentis oblongis apice rotundatis, corona cyatbiformi 10-dentata gynostegium includente, tube stamineo elongato, stigmate vertice depresso. Frutex ferrugineo-pilosus vel villosus, ramis teretibus, elongatis, pilis patentibus vestitis. Folia membranaeea, mollia, breviter petiolata, ovato-oblonga, 3-5-poUicaria, acuminata, strigoso- villosa. Flores 8-9 lineas diametro, in cymas umbelliformes subsessiles dispositi ; cymse 6-12- florse ; pedicelli graciles, 6-15 lineas longi j calyx parvus, extus ferrugineo-villosus, intus ssepe 5-glandulosus, segmentis liaeari-lanceolatis, glandulis minimis; corolla rotata, eleganter reticulata, insigniter reflexa, extus puberula vel vUlosula, intus pulverulenta, tubo brevi, fauce nuda, segmentis oblongis, apice rotundatis; corona cyatluformis, gynostegium turbiaatum 334 ASCLEPIADE^. includens et pauUo superans, calloso-5-dentata ; tubus stamineus elongatus j poUinia clavata, subpendula ; ovaria glabra, stigmate vertice depresso. Folliculi non visi. Nicaragua, Chontales {Tate, 241, 410). Hb. Kew. In habit and foliage, as Well as in the markings of the flowers, this closely resembles LacTvmstoma tigrinum, differing in its subsessile cymes, slender pedicels, remarkably reflexed corolla, which has a very short tube, in not being hairy in the throat, and also in the corona being free from the corolla. 28. Gonolobus reticulatus, Engelm. in Proc. Am. Acad. xii. p. 75. Gonolohus gramlatus, Torr. Bot. U.S. and Mex. Bound. Surv. p. 165, non Scheele. Texas ; Aeizoi^a.— Noeth Mexico, Sonora (Schott), Monterey (Eaton & Edwards). 29. Gonolobus (?) Salvinii, Hemsley, n. sp. Glabrescens, ramis gracilibus, foliis membranaceis graciliter petiolatis oblongo-lanceolatis, pedun- culis brevibus paucifloris, corolla subrotata sinibus protrusis, corona exteriore 5-lobata, lobis bifldis, interioris squamis obovato-oblongis apice antherarum recurvis. Frutex (volubilis?), cite glabrescens, ramis teretibus, gracilibus, primum pilosulis. Folia membra- nacea, graciliter petiolata, glabra, oblongo-lanceolata, 4-5-pollicaria, acuminata, yix acuta. Flores cymosi, ad sesquipoUicem lati ; peduncuK 3-6 lineas longi ; pedicelli usque ad 9 lineas longi; calycis segmenta parce puberula, linearia, acuta, 2|-3 lineas longa; corolla subrotata, alte 5-fida, intus extusque parce puberula, segmentis angustis, sinibus protrusis, subauriculatis ; coronse inter se breviter septatse ; exterior annularis, 5-lobata, lobis gynostegio fere aequilongis, bifidis ; interioris lobi yel squamae amplse, obovato-oblongse, apice antherarum recurvse ; ovaria glabra. Folliculi desunt. Guatemala, Las Nubes, Cerro de Zunil, 4350 feet (Salvin). Hb. Kew. This species resembles G. stellatus, Griseb., a West-Indian species, differing in the structure of the corona, and in the bulging at the base of the lobes of the corolla, 30. Gonolobus (§ Chthamalia) schaflEheri, A. Gr. MSS. "G. prostrato affinis, hispidulo-pubens ; foliis sagittato-cordatis sinu angustiori ; pedunculis brevibus glomerato-plurifloris ; pedicellis flore baud longioribus ; corolla intus extusque bispidulo-pube- rula, lobis primum ovato- mox lineari-lanceolatis, corona staminea cyathiformi vel pateriformi margine undulata fere Integra intus ligulis 5 angusto-linearibus apice emarginatis longe ex- sertis adnatim aucta.''^ — A. Gray. NoETH Mexico, mountains around the city of San Luis Potosi [Schaffner, 651). Hb. Kew. 31. Gonolobus sidsefolius, Mart, et Gal. in Bull. Acad. Brux. xi. p. 367 ; Walp. Rep. vi. p. 489. South Mexico, Mirador and Zacuapan, 2000 feet {Galeotti, 1520, 1561). 32. Gonolobus Striatus, Mart, et Gal. in Bull. Acad. Brux. xi. p. 365 ; Walp. Rep. vi. p. 489. South Mexico, oak woods of El Sabino, 6500 feet {Galeotti, 1558). 33. Gonolobus tingens, Dene, in DC. Prodr. viii. p. 592. South Mexico, Zimapan, 6500 feet {Galeotti, 1559). ASCLEPIADKa:. 335 34. Gonolobus triflorus, Mart, et Gal. in Bull. Acad. Brux. xi. p. 365 ; Walp. Eep. vi. p. 489. SouTU Mexico, Misteca Alta, Oaxaca, 6500 feet (Galeotti, 1539). 35. Gonolobus tristis, Dene, in DC. Prodr. viii. p. 596. South Mexico, eastern Cordillera of Oaxaca, 7000 feet {Galeotti, 1530). Hb. Kew. 36. Gonolobus uniflorus, H. B. K. Nov. Gen. et Sp. iii. p. 207, t. 238 ; DC. Prodr. viii, p. 591. South Mexico, near Mexico city, 7000 feet {Humboldt & Bonpland), Toluca, 7000 feet {Andrieux, 243), Oaxaca, 6000 feet {Galeotti). Hb. Kevr. 37. Gonolobus velutinus, Schl. in Linnsea, xiii. p. 521 ; DC. Prodr. viii. p. 593. South Mexico, region of Orizaba {Bourgeau, 2458 ; Bilimek, 234), Jalapa {Coulter, 979 ; Miiller, 536 ; Schiede & Beppe), Misantla {Hahn). Hb. Kew. 38. Gonolobus Virescens, Dene, in DC. Prodr. viii. p. 596. South Mexico, near Eegla, 5000 feet {Galeotti, 1552) ; Panama {Seeman) % Hb. Kew. 39. Gonolobus Viridiflorus, Eoem, et Schult. Syst. vi. p. 61 ; DC. Prodr. viii. p. 594. Costa Eica, Cartego {(Ersted). — Colombia to Peru and Guiana. Hb. Kew. 17. LACHNOSTOMA. Lachnostoma, H. B. K. Nov. Gen. et Sp. iii. p. 198, t. 232; Benth. et Hook. Gen. Plant, ii. p. 7&7, excl. Ibatia et Chthamalia ; A. Gr. in Proc. Am. Acad. xii. p. 74. Taking Gray's view of the genus, -two species only are known, the original L. tigrinum being a native of Colombia. 1. Lachnostoma lasiostemma, Hemsley, n. sp. Foliis longe petiolatis hastato-cordatis, corona coroUse tuto adnata duplici, squamis 5 coroUae lobis oppositis maximis subgaleatis sessilibus valde barbatis, gynostegio libero. Frutex (?) ferrugineo-hirsutus, ramulis crassiusculis, retrorso-pilosis. Folia tenuia, moUiaj longe petiolata, hastato-cordata, absque petiolo 25-8 poll, longa, acuminata, acuta, margine leviter undulata, utrinque praecipue subtus in venis ferrugineo-pubescentia, petiolo gracili, 1^-2-polli- cari. Flores 12-15 lineas diametro, ia cymas breviter pedunculatas umbelliformes dispositi; pedicelli usque ad semipoUicares ; calyx villosus, alte 5-partitus, intus 5-glandulosus, segmentis lineari-lanceolatis, acutis, coroUam fere sequantibus ; corolla distincte tubulosa, tubo lobis breviore, lobis angustis, obtusiusculis, extus hirsutis, longitudinaliter striatis ; corona duplex, coroUse tubo ad apicem adnato ; squamae 5, corollae lobis oppositae, maximse, subgaleatae vel saccatae, antice fissae, extus undique barbatae, intus squamuliferse^ 5 corollae lobis altemae, angustae, bifidae, glabrae; gynostegium liberum, 5-lobum, stigmate vertice depresso; ovaria glabra. Folliculi desunt. Guatemala, without locality {Skinner). Hb. Kew. This differs remarkably from L. tigrinum in the large, bearded, saccate coronal scales 336 ASCLEPIADE^. opposite the lobes of the corolla, of which there are only slight traces in the latter — also in the gynostegium being quite free from the corona. 18. POLYSTEMMA. Polystemma, Dene, in DC. Prodr. viii. p. 602 ; Benth. et Hook. Gen. Plant, ii. p. 768. A twining shrubby monotype. 1. Polystemma viridiflora, Dene, in DC. Prodr, viii. p. 602 ; Deless. Ic. Sel. v. t. 79. South Mexico, country east of Orizaba, 4000 feet (Galeotti, 1517), Mirador (Linden, 338), between Tehuantepec and the sea {Andrieux, 456). Hb. Kew. 19. FIMBRISTEMMA. Fimbristemma, Turcz. in Bull. Soc. Nat. Mosc. 1852, ii. p. 320 ; Benth. et Hook. Gen. Plant, ii. p. 768. Climbing shrubs — one species inhabiting Guatemala, and another Venezuela. 1. Pimbristemma warscewiczii, Benth. et Hook. Gen. Plant, ii. p. 768. Callceolepium warscewiczii, Karst. Fl. Columb. ii. t. 165. Guatemala and Costa Eica {Warscewicz). 20. NEPHRADENIA. NepJiradenia, Dene, in DC. Prodr. viii. p. 604; Benth. et Hook. Gen. Plant, ii. p. 771. Six herbaceous species, whereof five are Brazilian. 1. Nephradenia neriifolia, Benth. et Hook. Gen. Plant, ii. p. 771. Blepharodon neriifoliwn, Dene, in DC. Prodr. viii. p. 604. Acerates gomphocarpoides, Benth. PI. Hartw. p. 66, non Dene. South Mexico, Totontepec (Hartweg), eastern Cordillera of Oaxaca, 2000 feet {GaleoUi, 1535), Sierra San Pedro Nolasco, &c. [Jurgensen, 714). Hb. Kew. 21. MAESDENIA. Marsdenia, B,. Br. in Mem. "Wern. Soc. i. p. 28; Benth. et Hook. Gen. Plant, ii. p. 772. About sixty shrubby species, mostly twiners, widely dispersed in hot countries of both hemispheres, and one inhabiting the Mediterranean region. 1. Marsdenia clausa, R. Br. in Mem. Wern. Soc. i. p. 30 ; DC. Prodr. viii. p. 615 ; Griseb. Fl. Brit. W. Ind. p. 422. Marsdenia obovata, Turcz. in Bull. Soe. Nat. Mosc. 1852, ii. p. 821. Mexico, specimen ex hb. Pavon. — West Indies. Hb. Kew. 2. Marsdenia coulteri, Hemsley, n. sp. Hirsuta, ramulis brevissimis, foliis parvis ovatis utrinque hirsutis, umhellis paucifloris, floribus parvis, corollse fauce barbata, coronse squamis minutis, stigmate rostrato. ASCLEPIADEJS. 337 Fruteoo vel suffrutex caule caudiciformi "i, ramulis brevissimis, pilosis. Folia conferta, petiolata, terniia, membranaceaj ovata, absque petiolo 1-1^ poll, longa^ 7-10 lineas lata, obtusa, basi rotundata, utrinque pilosa, subtus venis prominenter reticulatis ; petiolus gracilis, 4-6 lineas longus. Flares parvi (3-2^ lineas diametro), umbellati vel subumbellati ; umbellse sessiles, pauciflorse ; pedicelli li-2^ lineas longi ; calycis segmenta suborbicularia, extus pilosula, margine scariosa; corolla subrotata, extus glabra, intus fauce lobisque barbata, lobis ovato- oblongis, obtusissimis, patentissimis ; coronas squamae minutse ; ovaria glabra, stigmate longi- uscule rostrato. Folliculi desunt. South Mexico, Zimapan (Coulter, 970). Hb. Kew. 3. Marsdenia crassipes, Hemsley, n. sp. Glaberrima, ramulis elongatis, foliis carnosis racemosis, rhachi brevi bracteata pedicellisque incras- satis, corollse fauce imberba, coronae squamis antheras superantibus, stigmate convexo. Frutex scandens, undique glaberrimus, ramulis graciliusculis, teretibus. Folia petiolata, carnosa, supra nitida, ovata, obovata vel oblongo-elliptica, absque petiolo 3-5 poll, longa, usque ad 3 poll, lata sed saepius angustiora, acuminata, vix acuta, basi rotundata vel plus minus cuneata, venis primariis transversis distantibus, immersis ; petiolus ad semipoUicaris. Flares 3-3^ lineas diametro, racemosi ; racemi breves, interpetiolares, bracteati, rhacbi pedicellisque incrassatis ; bracteae parvae, squamiformes ; calycis segmenta ovato-orbicularia, minute ciliolata, corollse tubum aequantia ; corolla brevis, hypocraterimorpha, imberbis, lobis ovato-oblongis, obtusis- simis, minute ciliolatis, patentissimis vel recurvis ; coronae squamae anguste oblongae, antheras excedentes j ovaria glabra, stigmate convexo. Folliculi non visi. Panama, Aspinwall (S. Hayes, 373). Hb. Kew. 4. Marsdenia maculata, Hook. Bot. Mag. t. 4299 ; Griseb. Fl. Brit. W. Ind. p. 422. Panama, near the city of Panama [Seemann, 611). — Colombia; Venezuela; Trinidad. Hb. Kew. 5. Marsdenia mexicana, Dene, in DC. Prodr. viii. p. 527. South Mexico, Tlacolola, Oaxaca {Andrieux, 241), Tuspango, region of Orizaba {Bourgeau, 2450), Zacuapan [Linden, 340). Hb. Kew. 6. Marsdenia propinqua, Hemsley, n. sp. M. maculatm arete affinis, differt foliis floribusque pubescentibus, cymis distincte pedunculatis [folli- culis lignosis fere semipedalibus ?]. Fruteos alte scandens, ramulis elongatis, teretibus, plus minus pubescentibus. Folia petiolata, crassiuscula nee coriacea, late elliptica, absque petiolo usque ad 7 poll, longa, acuminata, vix acuta, basi rotundata, primum utrinque prsecipue subtus pubescentia, supra demum glabra nitidaque, subtus semper pubescentia; petiolus usque ad semipoUicaris. Flares 4-5 lineas diametro, densissime cymosi ; cymae umbelliformes, multiflori, breviter pedunculati, pedicellis brevibus ; calycis segmenta ovato-rotundata, pubescentia ; corolla brevis, hypocraterimorpha, imberbis, lobis minute ciliolatis ; coronae squamae acutae, antheras excedentes ; ovaria glabra, stigmate conico. [Folliculi lignosi, laeves, angusti, 5-6 poll, longi, acuti ?] South Mexico, region of Orizaba [Botteri, 929; Bourgeau, 2455]). Hb. Kew. The follicles in Bourgeau's specimen are not attached ; therefore we cannot be certain that they belong to our species. BIOL. CENTE.-AMEE., Bot. Vol. II., February 1882. 2x 338 ASCLEPIADEiE. 7. Marsdenia zimapanica, Hemsley, n. sp. Gracilis^ ramulis brevibus, foliis subtus birsutis, umbellis paucifloris breviter pedunculatis^ coroUse fauce imberbi, coronse squamis antberas excedentibus^ stigmate couvexo. Frutex scandens?, ramulis brevibus^ gracilibus^ teretibus, glabrescentibus. Folia longiuscule petiolata, tenuia, supra cito glabrescentia, subtus pubescentia, lanceolato-oblonga, ovata vel ovato-orbicularia, acuminata^ obtusa vel subacuta, basi rotundata vel plus minus cuneata ; petiolus gracilis, 6-9 lineas longus. Flores 4-5 lineas diametro, umbellatij umbellse pauci- florse, pedunculis pedicellisque 2-3 lineas longis ; calyx bispidulo-birsutus, segmentis ovato- oblongis, obtusissimis, corollae tubum sequantibus ; corolla hypocraterimorpha, intus extusque glabra, lobis ovato-oblongis, obtusissimis, patentissimis, minute ciliolatisj coronse squamse angustse, apice rotundatse vel fere truncatse, antberas excedentes ; ovaria glabra, stigmate convexo. Folliculi non visi. South Mexico, Zimapan {Coulter, 964). Hb. Kew. [Stapelia hufonia, Jacq., a South-African plant, has become established in cultivated ground near San Luis Potosi.] Order LXXXIX. LOGANIACE.E. Loganiacea, Benth. et Hook. Gen. Plant, ii. p. 786. Herbs, shrubs, or trees, various in habit. Thirty genera, embracing about 350 species, widely dispersed in the tropics ; a few in extratropical America and Australia, and in South Africa. The Order is not represented in Europe and Asiatic Eussia. 1. GELSEMIUM. Gelsemium, Juss. Gen. Plant, p. 150 ; Benth. et Hook. Gen. Plant, ii. p. 789. Twining shrubs. Three species — one North- American, one Chinese, and one Sumatran. 1. Gelsemium sempervirens, Ait. Hort. Kew. ed. 2, ii. p. 64 ; A. Gr. Synop Fl. N. Am. ii. p. 107. Gelsemium lucidum, Micbx. Fl. Bor.-Am. i. p. 120. Jasminum luteum etc., Catesby, Carol, i. t. 53. ViEGiNiA to Florida and Texas.— Mexico, Orizaba (Botteri, 934), Sierra San Pedro Nolasco &c. (Jurgensen, 835), pine forests, Titotole, Chiapas (Linden, 1658). Hb. Kew. 2. PLOCOSPEEMA. Plocosperma, Benth. in Benth. et Hook. Gen. Plant, ii. p. 789. A remarkable shrubby monotype. 1. Plocosperma buxifolium, Benth. in Hook. Ic. PI. t. 1195. Guatemala, without locality [SMnner). Hb. Kew. LOGANIACE^. 339 3. SPIGELIA. Spigelia, Linn. Gen. Plant, n. 209, et Amoen. Acad. v. t. 2; Benth. et Hook. Gen. Plant, ii. p. 790. An exclusively American (tropical and north) genus of herbs and half-shrubs. About thirty species are known. 1. Spigelia anthelmia, Linn. Amoen. Acad. V. t. 2 ; Progel in Mart. Fl. Bras, vi. p. 262; Bot. Mag. t. 2359. Guatemala (Friedrichsthal) ; Nicakagua, Greytown (Tate, 8) ; Costa Eica {Endres, 229); Pan^uia, Chagres {Fendler, 283)— Common nearly all over Tropical South Ambkica and the West Indies. Hb. Kew. 2. Spigelia COUIteriana, Benth. in Journ. Linn. Soc. i. p. 90. South Mexico, Zimapan [Coulter, 962). Hb. Kew. 3. Spigelia hedyotidea, A. DC. Prodr. ix. p. 7 ; Caiques des Dess. Fl. Mex. 813. Mexico. Perhaps the same as S. texana. 4. Spigelia humboldtiana, Cham, et Schl. in Linnsea, i. p. 200, v. p. 122, vi. p. 387 ; Mart. Fl. Bras. vi. p. 261. South Mexico, Jalapa, &c. [Schiede & I)e;ppe). — Guiana, Beazil. 5. Spigelia longiflora, Mart, et Gal. in Bull. Acad. Brux. xi. p. 376 ; Walp. Rep. vi. p. 496. South Mexico, near Eeal del Monte, at 6500 feet (Galeotti, 1477). 6. Spigelia mexicana, A.DC. Prodr. ix. p. 7. South Mexico, Jalapa {Linden, 210 ; Galeotti, 7077), Teapa (Linden, 536) ; Guate- mala, Mazatenango (Bernoulli, 380) ; Nicaragua, Chontales (Tate, 291). Hb. Kew. 7. Spigelia pauciflora, Mart, et Gal. in Bull. Acad. Brux. xi. p. 376 ; Walp, Eep. vi. p. 496. South Mexico, near Adumbero, at 3000 feet, and Morelia, at 6000 feet (Galeotti, 1475, 1479). 8. Spigelia SCabrella, Benth. Pi. Hartw. p. 45. South Mexico, without locality (Eartwegi 346). Hb. Kew. 9. Spigelia speciosa, H. B. K. Nov. Gen. et Sp. iii. p. 186, t. 226 ; DC. Prodr. ix. p. 4. South Mexico, near the city of Mexico at 7000 feet (Humboldt & Bonpland), Vera Cruz to Orizaba (Muller, 210 ; Bourgeau, 2902), Zimapan (Coulter, 1216), Oaxaca, 7000 feet (Galeotti, 1471), Chiapas (Ghieslreght, 695). Hb. Kew. 2x2 340 LOGANIACEJE. 10. Spigelia splendens, Wendl. ; Bot. Mag. t. 5268. Spigelia platyphylla, Progel in Mart. Fl. Bras. vi. p. 256. South Mexico, Chiapas, &c. {GUeshreght, 694) ; Guatemala. {Friedrichsthal). Hb. Kew. 4. MITKEOLA. Mitreola, Linn. Gen. Plant, ed. 1737, n. 933; Benth. et Hook. Gen./lant. ii. p. 790. Four herbaceous species, inhabiting Tropical and North America, Tropical and Sub- tropical Asia, and Tropical Australia. / 1. Mitreola petiolata, Torr. & Gray, Fl. N. Am. ii. p. 45 ; A. Gr. Synop. Fl. N. Am. ii. p. 108; Mart. Fl. Bras. vi. p. 266, t. 82. fig. 1; Torr. Bot. U.S. & Mex. Bound. Surv. p. 121. Ophiorhiza mitreola, Linn. ; Lam. 111. PI. t. 107 ; Swartz, Obs. ti 3. Virginia to Florida and Texas. — Noeth Mexico, IVtouterey {Eaton & Edwards), Santa Eosa valley, Chihuahua (ex Torrey) ; South Mexico, Jalisco {BeecJiey); Panama (Seemann, 193), Empire station (S. Hayes, 434, 556). — Southward to Brazil and in the West Indies. Hb. Kew. 5. POLYPEEMUM. Polypremum, Linn. Gen. Plant, n. 137; Benth. et Hook. Gen. Plant, ii. p. 791. An herbaceous monotype. 1. Polypremum procumbens, Linn. Act. Ups. 1741, p. 78 ; DC. Prodr. iv. p. 435, ix. pp. 12 et 560 ; Lam. 111. PL t. 71 ; A. Gr. Synop. Fl. N. Am. ii. p. 109. Polypremum linncBi, Miehx. Fl. Bor.-Am. i. p. 83. Polypremum schlechtendalii, Walp. in Nov. Act. Acad. Cses. Leop. Carol, xix. Suppl. i. p. 350 ; Eepert. vi. p. 56. Maryland to Florida and Texas. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 59) ; South Mexico, Vera Cruz to Orizaba {Muller, 8). Cuba ; Jamaica. Hb. Kew. 6. BUDDLEIA. Buddleia, Linn. Gen. Plant, n. 140; Benth. et Hook. Gen. Plant, ii. p. 793. About seventy species of shrubs and trees, a very few herbaceous. Most numerous in Tropical and Subtropical America, the remainder inhabiting South Africa, Madagascar, and Tropical and Subtropical Asia. There are probably not more than from fifteen to twenty distinct species in Mexico. 1. Buddleia abbreviata, H. B. K. Nov. Gen. et Sp. ii. p. 353 ; DC Prodr X Buddleia brevifolia, Willd. in Roem. et Schult. Syst. ui., Mant. p. 97. South Mexico, between Pachuca and Eeal de Moran, at 8000 feet {Humboldt & Ponpland), Kancho del Ojo de Agua {Hartweg, 503), Jalapa {Galeotti). Hb. Kew. LOGANIACE^. 341 2. Buddleia alpina, (Erst, in Vidensk. Meddel. 1853, p. 25. Costa Eica, Volcan de Irazu, 10,000 feet {(Ersted). 3. Buddleia americana, Linn. Sp. PL p. 162 ; DC. Prodr. x. p. 438 ; Euiz at Pav. PL Per. i. p. 53, t. 82. fig. h. Buddleia occidentalis , Euiz et Pav. I. c. t. 82. fig. a. Buddleia callicarpioides, H. B. K. Nov. Gen. et Sp. ii. p. 350. Buddleia decurrens, Cham, et Schl. ia Linnaea, v. p. 105. Buddleia rufescens, Willd., ex Roem. et Schult. Syst. iii., Mant. p. 97. South Mexico, between Jalapa and the river Chachalacas, 4000-5000 feet [Humholdt & Sonpland). A common and variable species, extending southward to Peru and in the West Indies. Hb. Kew. 4. Buddleia barbata, Kth. et Bouche, Ind. Sem. Hort. Berol. 1847, p. 12 ; Walp. Ann. i. p. 534. Mexico. 5. Buddleia COrdata, H. B. K. Nov. Gen. et Sp. ii. p. 348, t. 185 ; DC. Prodr. X. p. 438. South Mexico, valley of Guanajuato, 6300 feet {Humboldt & Bon;pland), near the city of Mexico (Berlandier). Hb. Kew. 6. Buddleia elliptica, Mart. et. Gal. in Bull. Acad. Brux. xii. 2, p. 24 ; Walp. Eep. vi. p. 645. South Mexico, near Morelia, at 7000 feet {Galeotti, 1268). 7. Buddleia flocCOSa, Kth. in Abhandl. Akad. Wiss. Berl. 1844, p. 68 ; Linnsea, xviii. p. 500. Mexico. 8. Buddleia floribunda, H. B. K. Nov. Gen. et Sp. ii. p. 352 ; DC. Prodr. x. p. 439. South Mexico, near Tasco and Tehuilotepec, 5500 feet {Humholdt & Bonpland). 9. Buddleia gracilis, Kth. in Abhandl. Akad. Wiss. Berl. 1844, p. 64; Linnsea, xviii. p. 500. Mexico. 10. Buddleia humboldtiana, Ecem. et Schult. Syst. iii. Mant. p. 93; DC. Prodr. X. p. 438 ; A. Gr. Synop. Fl. N. Am. ii. p. 109. Buddleia acuminata, H. B. K. Nov. Gen. et Sp. ii. p. 349, t. 187. South-west Texas and Southern New Mexico. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Berlandier, 1303 ; Parry & Palmer, 725), Zacatecas {Coulter, 1321) ; South Mexico, Santa Eosa, 8000 feet {Humboldt & Bonpland), Regla {Hartweg), valley of Mexico {Bourgeau, 607), Oaxaca, 8500 feet {Galeotti, 1033). Hb. Kew. 342 LOGANIACE^. 11. Buddleia intermedia, H. B. K. Nov. Gen. et Sp, ii. 350 ; DO. Prodr. X. p. 438. South Mexico, Santa Kosa, at about 8000 feet {Humloldt & Sonpland). 12. Buddleia lanceolata, Benth. Pi. Hartw. p. 48 ; DC. Prodr. X. p. 437. South Mexico, common, ascending to 10,000 feet on the peak of Orizaba (Andrieux, 165; Galeotti, 1032, 1034, 1035; Botteri, 992, 993; Linden, 1094; Bourgeau, 1105, 3045) ; Guatemala 1, Volcan de Fuego, at 11,000 feet (Salvin & Godman). Hb. Kew. 13. Buddleia macrophylla, Kth. in Abhandl. Akad. Wiss. Berl. 1844, p. 67; Linnsea, xviii. p. 500. Mexico. 14. Buddleia marrubiifolia, Benth. in DC. Prodr. x. p. 441 ; A. Gr. Synop. Fl. N. Am. ii. p. 109. South Texas. — Nojrth Mexico, Monterey (Berlandier, 1407; Eaton & Edwards; Gregg, 444). Hb. Kew. 15. Buddleia meUiodora, Kth. et Bouche, Ind. Sem. Hort. Berol. 1845, p. 10 ; Linnsea, xix. 386. Mexico. 16. Buddleia mcrophyUa, H. B. K. Nov. Gen. et Sp. ii. p. 353 ; DC. Prodr. X. p. 436. Buddleia obtusifolia, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 25. South Mexico, Jorullo, 2500 feet (Humboldt & Bonpland), Moran, 7000 feet, and near Morelia, 8500 feet {Galeotti, 1037, 1038), valley of Mexico [Bourgeau, 392, 900). Hb. Kew. 17. Buddleia nitida, Benth. in DC. Prodr. X. p. 437. South Mexico, Chiapas (Ghiesbreght, 503 ; Linden, 196, 202). Hb. Kew. 18. Buddleia OValifoHa, Kth. in Abhandl. Akad. Wiss. Berl. 1844, p. 66 ; Linnsea, xviii. p. 500. Mexico. 19. Buddleia parviflora, H. B. K. Nov. Gen. et Sp. ii. p. 353 ; DC. Prodr. x. p. 437. South Mexico, Cuernavaca {Eumholdt & Bonjpland), Orizaba {Linden, Galeotti). Hb. Kew. This and B. lanceolata are intermixed in Kew herbarium. 20. Buddleia perfoliata, H. B. K. Nov. Gen. et Sp. ii. p. 346 ; DC. Prodr. X. p. 441. Buddleia sphmrantha, Cham, et Schl. in Linnsea, v. p. 104. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, LOGANIACEiE. 343 596) ; South Mexico, between Chalco and Mexico, at 7000 feet {Eumboldt & Bonpland), Actopan {Hartweg), San Augustin {Schaffner), region of Orizaba (Bourgeau, 3278). Hb. Kew. 21. Buddleia propinqna, Kth. in Abhandl. Akad. Wiss. Berl. 1844, p. 68; Linnsea, xviii. p. 501. Mexico. 22. Buddleia SCOrdioideS, H. B. K. Nov. Gen. et Sp. ii. p. 345, t. 183 ; DC. Prodr. X. p. 442 ; A. Gr. Synop. Fl. N. Am. ii. p. 109. South-east Texas to Aeizona. — Noeth Mexico, east of Saltillo, at 10,000 feet (Palmer, 836), Corallitas, Chihuahua {Thurher), Saltillo [Berlandier), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 592, 595), Zacatecas {Coulter, 1317) ; South Mexico, near the city of Mexico {Humboldt & Bonpland). Hb. Kew. 23. Buddleia Sessiliflora, H. B. K. Nov. Gen. et Sp. ii. p. 345, t. 182 ; DC. Prodr. X. p. 441. Buddleia pseudo-verticillata, Mart, et Gal. in Bull. Acad. Brux. xii. 3, p. 24; Walp. Rep. vi. p. 646. South Mexico, near the city of Mexico, 6000 to 7000 feet {Humboldt & Bonpland), Yavezia, 6000 to 7000 feet {Galeotti, 767), Guanajuato {Hartweg). Hb. Kew. 24. Buddleia Spectabilis, Kth. et Bouche, Ind. Sem. Hort. Berol. 1845, p. 11 ; Linnsea, xix. p. 387. Mexico. 25. Buddleia venUSta, Kth. in Abhandl. Akad. Wiss. Berl. 1844, p. 65; Linnsea, xviii. p. 500. Mexico. 26. Buddleia verticillata, H. B. K. Nov. Gen. et Sp. ii. p. 346, 1. 184; DC. Prodr. X. p. 441. . North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 594) ; South Mexico, between Acaguisotla and Chilpancingo, at about 4000 feet {Humboldt & Bonpland), Cuernavaca {Bilimek, 200), Toluca {Andrieux, 164). Hb. Kew. 7. STRYCHNOS. Strychnos, Linn. Gen. Plant, n. 253 ; Benth. et Hook. Gen. Plant, ii. p. 797. Trees or shrubs; often lofty climbers. About sixty species, widely dispersed in tropical regions. 1. Strychnos darienensis, Seem. Bot. Voy. 'Herald,' p. 166. Panama, island of Coiba {Seemann, 632). — Coast of Daeien. Hb. Kew. 2. Strychnos panamensis, Seem. Bot. Voy. ' Herald,' p. 166. Panama, island of Taboga {Seemann). Hb. Kew. 344 G-ENTIANE^.. Order XC. GENTIANEtE. Gentianece, Benth. et Hook. Gen. Plant, ii. p. 799. Annual or perennial herbs, rarely shrubs. About 520 species, referred to fifty genera ; represented in nearly all parts of the world, but most abundant in temperate and mountainous regions. 1. VOYEIA. Voyria, Aubl. PL Guian. i. p. 208 ; Beutt. et Hook. Gen. Plant, ii. p. 806. About sixteen species of dwarf, slender, unbranched, leafless herbs, with one ex- ception in Tropical Africa, inhabiting Tropical America, chiefly Guiana and Brazil. 1. Voyria mexicana, Griseb. Gen. et Sp. Gentian, p. 208; DC. Prodr. ix. p. 84. Leiphaimos parasitica, Cham, et Schl. in Linnsea, vi. p. 387. South Mexico, Papantla (Schiede & T)ef^e\ Mirador {Linden, 38).— Cuba ; Jamaica. Hb. Kew. 2. Voyria simplex, Griseb. in Seem. Bot. Voy, 'Herald,' p. 170. PAifAMA, damp woods near Empire station {S. Hayes, 236), woods near mount Lancon (Seemann, 186). — Colombia. Hb. Kew. 2. LEIANTHUS. Leianthus, Griseb. Gen. et Sp. Gentian, p. 196; Benth. et Hook. Gen. Plant, ii. p. 807. About twelve herbaceous and shrubby species, inhabiting Mexico, Central America, and the West Indies. 1. Leianthus axillaris, Hemsley, n. sp. Herbaceus ?, foliis parvis subsessilibus, floribus axillaribus solitariis breviter peduneulatis, calycis lobis apteris, stigmate capitato obscure bilobo. Herba'f glaberrima, caulibus vel ramis gracilibus. Folia subsessilia, crassiuscula, ovato-oblonga, circiter pollicaria, acutiuscula, venis immersisj obsoletis. Mores axillaresj solitarii, suberecti, 1^-3 poll, longi ; pedunculi 4-6 lineas longi ; calycis lobi anguste lanceolati, acuminati, acTitissimi, corollse tubo arete appressi, dorso apteri ; corollas tubus angustus^ ad medium valde constrictus, lobis acuminatis, 3-4 lineas longis ; stamina inclusa ; stigma capitatum, obscure bilobum. British Hondueas, without exact locality {F. P. Barlee). Hb. Kew. 2. Leianthus brevidentatus, Hemsley, n. sp. Herbaceus, laxe trichotomo-ramosus, internodiis longissimis, floribus dense cymosis, calycis lobis apteris, corolla tubulosa dentibus vel lobis brevissimis latis, stigmate peltato. Herba glaberrima, erecta, ut videtur pluripedalis, laxe trichotomo-ramosa, ramis teretibus, graci- liusculisj internodiis quam folia triplo quadruplove longioribus. Folia caulina sessilia^ cras- siuscula, evenia, lanceolata, 2-2| poll, longa, acuminata, acutissima. Flores numerosissimi in apicibus ramulorum dense trichotomo-cymosi, circiter 1 poll, longi, pedicellis brevissimis ■ GENTIANE^. 345 calycis lobi anguste lanceolati, acutissimi, corollse tubo arete appressi ; corolla anguste tubulosa, infra medium angustiorj lobis ovato-orbicularibus, brevissime acuminatis, vix lineam longis ; stamina inclusa ; stylus exsertus, stigmata peltato. Guatemala, Sierra del Mico {Bernoulli, 924). Hb. Kew. 3. Leianthus nigrescens, Griseb. Gen. et Sp. Gentian, p. 199 ; Bot. Mag. t. 4043. Petasostylis nigrescens, Griseb. in DC. Prodr. ix. p. 71. lAsianthus nigrescens, Cbam. et Schl. in Linnaeaj vi. p. 388. Lisianthus cuspidatus, Bertol. Fl. Guat. t. 37. Leianthus cuspidatus, Griseb. in DC. Prodr. ix. p. 82. South Mexico, Mirador {Linden, 328), Cordillera of Oaxaca, at 3000 feet {Galeotti, 1473), Papantla {Liehmann), Vera Cruz to Orizaba {Miiller, 1399), Tanetze, Talea, and Comaltepec (Hartweg), Chiapas, foliis multo IdAioxihu^ {Ghiesbreght, 702) ; Guatemala, {Velasquez, Skinner); Costa Rica, Pacaca {(Ersted). Hb. Kew. 4. Leianthus saponarioides, Griseb. Gen. et Sp. Gentian, p. 198. Lisianthus saponarioides, Cham, et Schl. in Linnsea, vi. p. 389. Petasostylis saponarioides, Griseb. in DC. Prodr. ix. p. 71. South Mexico, Papantla {Schiede), without locality {Sumichrast, 1558) X Hb. Kew. 5. Leianthus seemannii, Griseb. in Seem. Bot. Voy. 'Herald,' p. 170. Costa Rica {Endres, 108). — Daeien. Hb. Kew. 6. Leianthus skinneri, Hemsley, n. sp. Fruticosus?, foliis angustis ad semipedalibus tenuissimis (insiccis), ramulis lateralibus foHa sequan- tibus apice laxe 6-12-floris, calycis lobis apteris, corollse tubulosse lobis latis brevibus^ stigmate capitato. Frutext glaberrimus, internodiis brevibus. Folia longe petiolata, tenuissima (saltern in siccis), lanceolato-oblonga, 4-6 poll, longa, utrinque longe attenuata, venis primariis lateralibus utrinque 2, prominulis, distantibus, longe arcuatis. Flores l|-2 poll, longi, laxe ternatim cymosi, pauci ad apices ramulorum gracilium lateralium dispositi^ pedicellis brevibus vel longiusculis, gracilibus ; calycis lobi ovato-lanceolati, acuti, dorso apteri ; corolla tubulosa, infra medium multo angustior, lobis ovatis, acutis, 1^-2 lineas longis ; stamina inclusa ; stylus exsertuSj stigmate capitato. Capsula oblonga, semipoUicaris ; semina lacunosa. Guatemala {Skinner); Panama, Chagres {Fendler, 137). Hb. Kew. 3. ERYTHR^A. Erythraa, L. C. Rich, in Pers. Syn. i. p. 283; Benth. et Hook. Gen. Plant, ii. p. 809. Annual and perennial herbs. Upwards of thirty species have been described. They are widely dispersed in the temperate and subtropical regions of the northern hemisphere, including a distinct one in the Sandwich Islands ; one occurs in Chili, and another in Australasia. The Mexican species greatly need revision. 1. Erythraea calyCOSa, Buckley in Proc. Acad. Philad. 1862, p. 7; A. Gr. Synop. Fl. N. Am. ii. p. 113. South Utah ; Arizona ; New Mexico ; West Texas. — North Mexico (ex A. Gray). BIOL, centb.-amer., Bot. Vol. II., February 1882. 2y 346 GENTIANE^. 2. Erythraea divaricata, Schaffner, ex Schl. in Bot. Zeit. 1855, p. 920. Erythrcea chilensis, Benth. PI. Hartw. p. 87, non Pursh? South Mexico, Huatusco (Schaffner), valley of Cordova {Bourgeau, 1885) ; Guate- mala [Hartweg, Skinner). Hb. Kew. 3. ErythraBa macrantha, Hook, et Am. Bot. Beech. Voy, p. 438. Erythraa mexicana, Griseb., ex Hook, et Arn. loo. cit. p. 302 ? Gyrandra chironioides, Griseb. in DC. Prodr. ix. p. 44? Erythrma chironioides, Torr. Bot. U.S. & Mex. Bound. Surv. p. 156^ pro parte? South Mexico, Jalisco [Beechey), Real del Monte [Coulter, 942), near Chico {Graham), Zimapan {Coulter, 941, 943). Hb. Kew. 4. Erythraea madrensis, Hemsley, n. sp. (Tab. LVII. C. figg. 9-11,) Annua, gracillima, caule basi simplici supra medium ssepissime 1— 5-furcato, foliis radicalibus paueis parvis suborbicularibus, caulinis lineari-subulatis^ floribus majusculis roseis pentameris, antberis semitortis, stigmate late bilamellato. Herba annua, erecta, gracillima, 3-6-pollicaris, caule fere filiformi, basi simplici, supra medium 1-5-furcato, vel rarius omnino simplici et unifloro, internodiis multo longioribus quam folia. Folia radicalia 4-6, subcarnosa, orbicularia vel elliptica, 1^-3 lineas diametro, caulina lineari- subulata vel fere acerosa, appressa, 3-6 lineas longa. Flores pentameri, rosei, 6-7 lineas longi ; calycis segmenta fere libera, anguste lanceolata, acuta, margine scariosa, tub'o corollino longiora ; corolla hypocraterimorpba ; limbi lobi obtusi, tubo longiores ; antherse semitortae ; stigma late bilamellatum. — Gyrandra chironioides, Griseb. in Seem. Bot. Voy. ' Herald,' p. 318, nee Griseb. in DC. Prodr. ix. p. 44. NoETH Mexico, Sierra Madre {Seemann, 2067). Hb. Kew. EXPLANATION OF TAB. LVII. C. Figg. 9-11. Fig. 9, a flower laid open; 10, an anther ; 11, an ovary : all enlarged. 5. Erythrsea pauciflora, Mart, et Gal. in Bull. Acad. Brux. xi. p. 372 ; Walp. Eep. vi. p. 501. South Mexico, peak of Orizaba, 8000 to 9000 feet {Galeotti, 1482). 6. Erythrsea quitensis, H. B. K. Nov. Gen. et Sp. iii. p. 178. Cicendia quitensis, Griseb. in Linnsea, xxii. p. 33 ; Vidensk. Meddel. 1853, p. 53. Costa Riga {(Ersted). — Ecuadoe ; Peeu. 7. Erythrsea setacea, Benth. Bot. Voy. ' Sulphur,' p. 128. South Mexico, Acapulco {Hinds). Hb. Kew. 8. Erythraea Stricta, Schiede, ex Schl. in Bot. Zeit. 1855, p. 918. South Mexico, Hacienda de San Gabriel {Schiede). 9. Erythraea tennifolia, Mart, et Gal. in Bull. Acad. Brux. xi. p. 372 ; Walp. Eep. vi. p. 501. Gyrandra speciosa, Benth. Bot. Voy. ' Sulphur,' p. 127, t. 45. Erythrcsot macrantha yS. major, Hook, et Arn. Bot. Beech. Voy. p. 438. GENTIANELE. 347 South Mexico, San Bias to Tepic {Sinclair, Barclay), near Guadalajara, 5500 feet {Galeotti, 1478). Hb. Kew. 10. Erjrthrsea tetramera, Schiede ex ScM. in Bot. Zeit. 1855, p. 918. South Mexico, Cuemavaca {Schiede). 4. GENIOSTEMON. Geniostemon, Engelm. et A. Gr. in Proc. Am. Acad. xvi. p. KM. A genus of dwarf, slender, branching herbs, differing from Erythrcea in having bearded filaments. Limited to the following species : — 1. Geniostemon COUlteri, Engelm. et A. Gr. loc. cit. Caulibus tenuibus parum ramosis sequaliter foliatis, ramis unifloris, foliis spatliulato-laiiceolatis (lin. 3 longis) basi attenuatis, pedunculis flore baud longioribus, filamentis infra medium creberrime glanduloso-barbulatis, antherse locubs utrinque obtusis (corolla lin. 4 longa ut videtur alba ?) . Mexico {Coulter, 945). 2. Geniostemon SChaffneri, Engelm. et A. Gr. loc. cit. (Tab. LVII. B. figg. 6-8.) Radice forti annua multicauli, caulibus cymoso-ramosissimis et multifloris, foliis linearibus (lin. 2-3 longis) imisve spathulatis summis subulatis basi baud angustatis, pedunculis graci- libus flore longioribus^ filamentis sub apice barbulatis inferne nudis, antberse loculis basi sub- acutis, corolla caerulescente. NoETH Mexico, mountains of San Miguelito, San Luis 'Poiosi{Schaffner). Hb. Kew. EXPLANATION OP TAB. LVII. B. Figg. 6-8. Fig. 6, a flower ; 7, the same, laid open ; 8, a stamen : all enlarged. 5. SABBATIA. Sabbatia, Adans. Fam. ii. p. 503 ; Bentb. et Hook. Gen. Plant, ii. p. 810. Annual and biennial herbs. About fifteen species in North America, two or three of them extending to Cuba. 1. Sabbatia maculata, Benth. et Hook. Gen. Plant, ii. p. 812, sub Eustomate. Eustoma maculatum, Bentb. PI. Hartw. p. 292. South Mexico, rivulets near Lagos {Hartweg). Hb. Kew. 6. SCHULTESIA. Schultesia, Mart. Nov. Gen. et Sp. ii. t. 180 ad 182 ; Bentb. et Hook. Gen. Plant, ii. p. 811. A Tropical- American genus of annual herbs, comprising about fifteen species. 1. Schultesia brachyptera, Cham, in Linnsea, viii. p. 8 ; Vidensk. Meddel. 1853 ; Mart. Fl. Bras. vi. p. 208. NiCAKAGUA, Volcan de Masaya {(Ersted). — Guiana ; Brazil. Hb. Kew. 2y2,' 348 GENTIANE^. 2. Schultesia heterophylla, Miq. in Linnaea, xix. p, 136 ; Griseb. Fl. Brit. W. Ind. p. 423. South Mexico, Sierra San Pedro Nolasco &c. {Jurgensen, 609) ; Panama, meadows near the city of Panama (Seemann, 179 ; Halsted, 6). — West Indies ; Guiana ; Beazil. Hb. Kew. 3. Schultesia lisianthoides, Benth. et Hook. Gen, Plant, ii. p. 812. Xestaa lisianthoides, Griseb. in Linnsea, xxii. p. 33 j Vidensk. Meddel. 1853, p. 54. Guatemala, Mazatenango (Bernoulli, 42) ; Nicaeaqua, Volcan de Masaya {(Ersted), Chontales {Tate, 241) ; Panama "everywhere " {Seemann, ^20), Chagres {Fendler, 256), Empire station {S. Hayes). — ^Venezuela. Hb. Kew. 4. Schultesia StenophyUa, Mart. Nov. Gen. et Sp. ii. p. 106, 1. 182 ; Vidensk. Meddel. 1853, p. 53 ; Mart. Fl. Bras. vi. p. 206. Erythraa jorullensis, H. B. K. Nov. Gen. et Sp. iii. p. 177. Mexico, without locality {Beechey), Volcan de JoruUo {Humboldt & Bonpland) ; Guatemala, above Barbasco {Bernoulli, 950) ; Panama, near the city of Panama {Seemann, 180). — ^West Indies ; Venezuela ; Guiana ; Beazil. Hb. Kew. 7. COUTOUBEA. Coutoubea, Aubl. PI. Guian. i. p. 72, tt. 27, 28; Benth. et Hook. Gen. Plant, ii. p. 813. Three herbaceous species inhabiting Tropical America. 1. Coutoubea Spicata, Aubl. Pi. Guian. ii. p. 72, t. 27 ; Mart. Fl. Bras. vi. p. 210 ; Griseb. Fl. Brit. West Ind. p. 423. Coutoubea densiflora. Mart., et C. minor, H. B. K., ex Benth. et Hook. Gen. Plant, ii. p. 813. British Hondueas {Temple); Panama, Paraiso {S. Hayes, 445), Isle of Taboga {Barclay). — Colombia ; Guiana ; Teinidad ; Beazil. Hb. Kew. 8. EUSTOMA. Emtoma, Salisb. Parad. Lend. t. 34; Benth. et Hook. Gen. Plant, ii. p. 813, Arenbergia, Mart, et Gal. in BuU. Acad. Brux. xi. 1, p. 373. Two herbaceous species, 1. Eustoma exaltatum, Salisb. Parad. Lond. sub t. 34; DC. Prodr. ix. p. 51; Bot. Eeg. 1845, t. 13 ; A. Gr. Synop. Fl. N. Am. ii. p. 116. Lisianthus glaucifoliiis, Jacq. Ic. Rar. t. 33. Urananthus glaucifolius, Benth. PI. Hartw. p. 46. Arenbergia glauca. Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 373. Eustoma silenifolium, Salisb. Parad. Lond. t. 34. Eustoma lacteum, Liebm. Ind. Sem. Hort. Hafn. 1847 ; Walp. Ann. iii. p. 78. Urananthus pallidus, Liebm. Ind. Sem. Hort. Hafn. 1845. Eustoma chironioides, Griseb. in DC. Prodr. ix. p. 51. Urananthus chironioides, Benth. PI. Hartw. p. 47. Gentiana exaltata, Linn. ; Descour. Fl. Ant. 1. 15. GENTIANE^. 349 Flobida and Texas to Califoenia. — North Mexico, Sonora Alta {Coulter, 946), Monterey {Eaton & Edwards ; Gregg, 213) ; South Mexico, Tehuan tepee {Andrieux, 227), Santa Barbara {Hartweg), Jalapa {Galeotti); Panama, island off the coast of Veraguas {Sinclair). — Venezuela ; West Indies. Hb. Kew. 2. Eustoma ruSSeUianum, Griesb. in DC. Prodr. ix. p. 51. lAsianthus russellianus. Hook. Bot. Mag. t. 3626. lAsianthus ghmcifolius, Nutt.^ non Jacq. Urananthus russellianus, Benth. PI. Hartw. p. 46. Nebrasea to Texas. — North Mexico, Monterey {Berlandier), Sonora {Thurher). Hb. Kew. The authorities for the names have been very much confused by Grisebach and other authors. 9. LISIANTHUS. Lisianthus, Aubl. PL Guian. i. p. 201; Benth. et Hook. Gen. Plant, ii. p. 813. Herbs or rarely shrubs. From fifty to sixty species, inhabiting Tropical America, chiefly Brazil, Guiana, and Colombia. 1. Lisianthus crassicaulis, Mart, et Gal. in BuU. Acad. Brux. xi. 1, p. 374 ; Walp. Eep. vi. p. 503. South Mexico, Chinantla, Oaxaca, 5000 feet {Galeotti, 7176). 2. Lisianthus oerstedii, Griseb. in Vidensk. Meddel. 1853, p. 54. Nicaragua, Segovia {(Ersted). 3. Lisianthus tetragonus, Benth. Pi. Hartw. p. 68. Lisianthus acutangulus, Ruiz et Pav., ex Hook. Bot. Mag. t. 4324. South Mexico, Talea {Hartweg) ; Guatemala, without locality {Skinner), Alta Vera Paz, 3500 feet {TurcJcheim, 360). Hb. Kew. 10. GENTIANA. Gentiana, Linn. Gen. Plant, n. 322 j Benth. et Hook. Gen. Plant, ii. p. 815. Herbs. About 180 species, widely dispersed iu the temperate, arctic, and mountain regions of the northern hemisphere, and extending southward in America through the Andes, where they are numerous, to the extreme south ; a few occur in New Zealand, whereof one recurs in Tasmania and Victoria, The Mexican species require revision. 1, G-entiana adsurgens, Cervantes ; Griseb. Gentian, p. 286 ; DC. Prodr. ix. p. 113. Pneumonanthe bimspidata, G. Don, Gen. Syst. iv. p. 194? Mexico {Cervantes), Eeal del Monte {Hartweg) % Hb. Kew. 350 GENTIAJ^E^. 2. Gentiana amarella, Linn., var. acuta, Hook. f. in Trans. Linn. Soc. xxiii. p. 334; A. Gr. Synop. Fl. N. Am. ii. p. 118. Gentiana acuta, Michx. Fl. Bor.-Am. i. p. 177. From Aectic Ameeica southward through the western mountain-ranges. — North Mexico, Sierra Madre {Seemann, 2069). — Europe and Asia. Hb. Kew. 3. Gentiana angnstifolia, Michx. n. Bor.-Am. i. p. 177 ; DC. Prodr. ix. p. 114 ; A. Gr. Synop. Fl. N. Am. ii. p. 124. New Jersey southward to Florida. — Mexico, Zacatecas [Coulter, 950, 951), Cerro de las Cruces {Schaffner), valley of Mexico [Bourgeaa, 1123), Chiapas {Qhiesbreght). Hb. Kew. Dr. Gray does not mention this species as occurring in Mexico ; and the Mexican specimens may belong to a different species. 4. Gentiana CSespitOSa, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 369 ; Walp. Eep. vi. p. 507. South Mexico, peak of Orizaba, 8000 to 9000 feet {Galeotti, 1483). 5. Gentiana calyculata, Llav. et Lex. Nov. Veg. Descr. i. p. 18 ; DC. Prodr. ix. p. 112. Coilanthe moqini, D. Don in G. Don^s Gen. Syst. iv. p. 185 ? Mexico, Vallisoleta [Lexarza). 6. Gentiana hartwegi, Benth. Pi. Hartw. p. 47 ; DC. Prodr. ix. p. 96. South Mexico, Anganguio [Eartweg), valley of Mexico {JBourgeau, 1125). Hb. Kew. This and G. mexicana scarcely differ, if at all, from G. amarella, var. acuta. 7. Gentiana laevigata, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 369 ; Walp. Eep. vi. p. 507. South Mexico, Sierra de Capulalpan, Cordillera of Oaxaca, at 5000 to 7000 feet [Galeotti, 1481 bis). 8. Gentiana lanceolata, Griseb. in DC. Prodr. ix. p. 102. Leianthus lanceolatus, Benth. PI. Hartw. p. 24. South Mexico, Bolauos [Hartweg). Hb. Kew. 9. Gentiana macrantha, Griseb. in DC. Prodr. ix. p. 102. Gentianella macrantha, D. Don in G. Don's Gen. Syst. iv. p. 179. Mexico [Mogino 8f Sesse). 10. Gentiana macrocalyx, Llav. et Lex. Nov. Veg. Descr. i. p. 18 ; DC. Prodr. ix. p. 102. Mexico, Vallisoleta [Lexarza). 11. Gentiana mexicana, Griseb. in DC. Prodr. ix. p. 96 ; Gentian, p. 243. Mexico. GENTLLNE^. 351 12. Gentiana Ovalis, Mart, et Gal. in BuU. Acad. Bmx. xi. 1, p. 369 ; Walp. Rep. vi. p. 507. South Mexico, peak of Orizaba, 8000 to 9000 feet {Galeotti, 1483 bis). 13. Gentiana salpinx, Griseb. in Linnsea, xxii. p. 44. South Mexico, near Temascaltepec (Ehrenherg). 14. Gentiana serrata, Gunner, Fl. Norveg. p. 10 ; Fl. Dan. t. 317 ; A. Gr. Synop. Fl. N. Am. ii. p. 117. Gentiana detonsa, Fries, Act. Hafn. x. p. 435, 1. 1. fig. 3; DC. Prodr. ix. p. 101. Canada southward. — North Mexico, Sierra Madre {Seemann, 2070), ^onom {Thurber). — Siberia to Norway, Iceland, and Greenland. Hb. Kew. 15. Gentiana sessaei, Griseb. in DC. Prodr. ix. p. 112. Coilanthe sessaei, D. Don in G. Don's Gen. Syst. iv. p. 185. Mexico. 16. Gentiana Spathacea, H. B. K. Nov. Gen. et Sp. iii. p. 175 ; DC. Prodr. ix. p. 113. Ericala spathacea, G. Don, Gen. Syst. iv. p. 191. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 599), Sierra Madre {Seemann, 2068) ; South Mexico, San Bias to Guadalajara {Coulter, 948), valley of Mexico {Bourgeau, 1124 ; Schaffner, 345), Zimapan {Coulter, 949). Hb. Kew. /3. benthami, Griseb. in DC. Prodr. ix. p. 113. South Mexico, Velasco, near Eeal del Monte {Hartweg). Hb. Kew. 17. Gentiana wislizenii, Engelm. in Trans. Acad. St. Louis, ii. p. 215, t. 7 ; A. Gr. Synop. Fl. N. Am. ii. p. 119. Arizona. — North Mexico, mountains west of Chihuahua {Wislizenus). 18. Gentiana wrightii, A. Gr. Synop. Fl. N. Am. ii. p. 118. North Mexico, Santa Cruz, Sonora {Wright). 11. HALENIA. Halenia, Borckh. in Roem. Archiv, i. p. 25 ; Benth. et Hook. Gen. Plant, ii. p. 817. About twenty-five herbaceous species, inhabiting the mountains of Asia and North and South America. There are many more names below than species. 1. Halenia alata, Hemsley. Exadenus alatus. Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 372 ; Walp. Rep. vi. p. 508. South Mexico, peak of Orizaba, 9000 to 10,000 feet {Galeotti, 7221). Hb. Kew. 2. Halenia decumbens, Benth. Pi. Hartw. p. 67. Halenia apiculata, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 371. South Mexico, on the Pelado {Hartweg), Sierra San Pedro Nolasco, &c. {Jurgensen, 386), CordiUera of Oaxaca, 8000 to 9000 feet {Galeotti, 7166). Hb. Kew. 352 GENTIANE^. 3. Halenia elongata, D. Don in G. Don's Gen. Syst. iv. p, 177. Mexico. 4. Halenia gracilis, Griseb. Gentian, p. 327; DC. Prodr. ix. p. 130. South Mexico, Sierra San Pedro Nolasco, &c. {Jurgensen, 811) ; Guatbmai,a, Volcan de Fuego, 12,000 feet. " The ground was hard from frost, and icicles hung from the rocks" {8alvin & Godman). — Colombia; Peru. Hb. Kew. 5. Halenia longicornu, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 370 ; Walp. Eep. vi, p. 508. South Mexico, Cerro de San Felipe, near Oaxaca, 8500 to 9500 feet {Galeotti, 7166). This bears the same number as H. apiculata, which we have reduced to H. decumbens. 6. Halenia multiflora, Benth. Pi. Hartw. p. 24 ; DC. Prodr. ix. p. 130. South Mexico, Bolaiios {Hartweg), Tepic {Barclay & Sinclair) ; Costa Eica, Volcan de Irazu, &c., 10,000 feet {(Ersted). Hb. Kew. 7. Halenia nudicanHs, Mart, et Gal. in Bull. Acad. Brux. xi. 1, p. 371; Walp. Eep. vi. p. 508. South Mexico, peak of Orizaba, 9000 to 12,000 feet {Galeotti, 7220; Linden, 935). Hb. Kew. 8. Halenia nutans, Mart, et Gal. in Bull. Acad. Brux. .xi. 1, p. 371 ; Walp. Eep. vi. p. 509. South Mexico, peak of Orizaba, 9000 to 10,000 feet {Galeotti, 7222). 9. Halenia parviflora, Don, Gen. Syst. iv. p. 177. Exadenus parviflorus, Griseb. in DC. Prodr. ix. p. 128. Swertia parviflora, H. B. K. Nov. Gen. et Sp. iii. p. 174. Nokth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 600) ; South Mexico, Chiapas, &c. {GUeshreght, 137, 618), Guanajuato, at 6600 feet {Hum- holdt ^ Boupland). — Colombia to Peru. Hb. Kew. j3. latifolia, Cham, et Schl. in Linnsea, v. p. 122 {Uxadenus). South Mexico, near Jalapa {Schiede). 10. Halenia pancifolia, Hemsley. Exadenus paucifolius, Mart, et Gal. in Bull. Acad. Brux. xi. p. 372. South Mexico, peak of Orizaba, 9000 to 12,000 feet {Galeotti, 7219). 11. Halenia plantaginea, Griseb. Gentian, p. 327; DC. Prodr. ix. p. 139. Swertia plantaginea, H. B. K. Nov. Gen. et Sp. iii. p. 175. South Mexico, Volcan de Jorullo, 3000 feet {Humboldt & Bonpland), pine-forests, Anganguio {Hartweg, 347), summit of San Felipe {Andrieux, 226), Eeal del Monte Coulter, 939). Hb. Kew. GENTIAJJE^. 353 12. Halenia rothrockii, A. Gr. in Proc. Am. Acad. xi. p. 84; Rothr. in Wheeler's Eep. t. 21. North Mexico, Mount Graham, within the old boundary {Bothrock). 18. Halenia SChiedeana, Griseb. Gentian, p. 327 ; DC. Prodr. ix. p. 130. Swertia michautciana, Cham, et Schl. in Linnsea, v. p. 122. Mexico (Schiede). 12. LIMNANTHEMUM. Limnanthemum, S". P. Gmel. in Nov. Act. Petrop. xiv. (1769) p. 527, 1. 17. fig. 2, ex C. C. Gmel.; Benth. et Hook. Gen. Plant, ii. p. 819. Aquatic herbs, very widely dispersed in tropical and temperate regions. Twenty-four species have been described ; but there are probably not more than half that number of good species. 1. Limnanthemum hnmboldtiannm, Griseb. Gentian, p. 347 ; DC. Prodr. ix. p. 140. Villarsia humboldtiana, H. B. K. Nov. Gen. et Sp. iii. p. 187. Menyanthes indica, Aubl. PI. Guian. i. p. 118 j Descourt. PI. Antill. i. p. 112, t. 24. Generally dispersed in the West Indies and Teopical Amekica, including Mexico and Central America. Hb. Kew, Order XCI. POLEMONIACEiE. PolemoniacecB, Benth. et Hook. Gen. Plant, ii. p. 820. Herbaceous, or rarely shrubby. Eight genera, comprising about 150 species, whereof a few inhabit temperate Europe and Asia, and the rest America, chiefly the north-west, and the Andes. 1. PHLOX. Phlox, Linn. Gen. Plant, n. 214 ; Benth. et Hook. Gen. Plant, ii. p. 821 ; A. Gr. Synop. Fl. N. Am. ii. p. 129. Twenty-seven herbaceous species, vrith two or three exceptions in North-eastern Asia, confined to North America. Several of them are common in Southern Texas, New Mexico, and Arizona, and may be expected to extend into North Mexico. Not one species, we believe, has been found within the present boundary of Mexico, 1. Phlox longifoHa, Nutt., var. Stansbnryi, A. Gr. Synop. Fl. N. Am. ii. p. 133. Phlox speciosa, var. ? stansburyi, Torr. Bot. U. S. & Mex. Bound. Surv. p. 145. British Columbia southward. — North Mexico, Sierra San Luis [Smith). BIOL. CENTE.-AMER., Bot. Vol. XL, February 1882. 2 z 354 POLEMONIACE^. 2. Phlox nana, Nutt. ; A. Gr. Synop. Fl. N. Am. ii. p. 134. Phlox triovulata, Thurber; Torr. Bot. U. S. & Mex. Bound. Surv. p. 145. Texas ; Colorado ; New Mexico. — North Mexico, on the Kio Mimbres, within the old boundary {Br. Henry). 2. COLLOMIA. Collomia, Nutt. Gen. N. Am. PI. i. p. 126; Benth. et Hook. Gen. Plant, ii. p. 822. Ten herbaceous species, inhabiting Western North America, from British Columbia southward, one reappearing in the Andes of Chili, and one endemic in the same region. Two of the following have only been collected in the extreme north-west of our region, without the present boundary of Mexico. 1. CoUomia cavanillesiana, Don, Gen. Syst. iv. p. 247 ; A. Gr. Synop. Fl. N. Am. ii. p. 136. Phlox pinnata, Cav. Ic. PL t. 528. fig. 1. Cantua glomeriflora, Juss. in Ann. Mus. iii. p. 119. Gilia glomeriflora, Benth. in DC. Prodr. ix. p. 314. ' Texas ; New Mexico ; Arizona. — North Mexico, Chiricahui Mountains (Bothrock), region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 602) ; South Mexico, Eeal del Monte {Coulter, 1344), near Regla, at 6000 feet {Galeoiti, 1279). Hb. Kew. 2. Collomia gracilis, Dougl. ; Benth. in Bot. Mag. sub t. 1622 ; DC. Prodr. ix. p. 308 ; A. Gr. Synop. Fl. N. Am. ii. p. 135. Gilia gracilis, Hook. Bot. Mag. t. 2924. British Columbia southward. — North Mexico, Sonora (ex Torrey). — Chili. 3. CoUomia longiflora, A. Gr. Proc. Am. Acad. viii. p. 261 ; Synop. Fl. N. Am. ii. p. 136. Gilia longiflora, Don, Gen. Syst. iv. p. 245 j DC, Prodr. ix. p. 314; Torr. Bot. U.S. & Mex. Bound. Surv. p. 146. Cantua longiflora, Torrey, in Sitgreave's Eep. t. 7. Colorado; Texas; Arizona. — North Mexico, Camp Bowie, south of the Gila {Rothrock), Chihuahua and Sonora (ex Torrey). 4. CoUomia thurberi, A. Gr. in Proc. Am. Acad. viii. p. 261; Synop. Fl. N. Am. ii. p. 136. Arizona. — North Mexico, Santa Eita copper-mines {Thurber). 3. GILIA. Gilia, Euiz et Pav. Prodr. Fl. Per. et Chil. p. 25, t. 4; Benth. et Hook. Gen. Plant, ii. p. 822; A. Gr. in Proc. Am. Acad. viii. p. 261. Sixty-five herbaceous species, inhabiting North America and subtropical and tem- perate South America. The following only just enter our northern boundary. POLEMONIACE^. 355 1. Gilia aurea, Nutt. Journ. Acad. Philad. n. s. i. p. 155, t. 22 ; A. Gr. Synop. Fl. N. Am. ii. p. 138 ; Torr. in Bot. U.S. & Mex. Bound. Surv. p. 147. CALiroENiA; Arizona; New Mexico. — North Mexico, Ojo de Vaca, Chihuahua {Thurher). 2. Gilia gunnisoni, Torr. & Gray, Pacif. Eailr. Eep. ii. p. 129, t. 9; Torr. Bot. U.S. & Mex. Bound. Surv. p. 146 ; A. Gr. Synop. Fl. N. Am. ii. p. 144. Utah. — North Mexico, along the Rio Grande westward to Sonora (ex Torrey). Dr. Gray cites South-east Utah only for this species. 3. Gilia incisa, Benth. in DC. Prodr. ix. p. 312 ; A. Gr. Synop. Fl. N. Am. ii. p. 149 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 146. Gilia lindheimeriana, Scheele in Linnseaj xxi. p. 753. Texas. — North Mexico, Chihuahua and Nuevo Leon (ex Torrey), Monterey {Palmer, 847). Hb. Kew. 4. Gilia inconspicua, Dougl.; Bot. Mag. t. 2883; A. Gr. Synop. Fl. N. Am. ii. p. 148 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 146. Ipomopsis inconspicua, Smith, Exot. Fl. t. 14. British Columbia to California and Texas. — North Mexico, banks of rivers, parti- cularly from El Paso westward along the Gila (ex Torrey). 5. GiHa rigidula, Benth. in DC. Prodr. ix. p. 312; A. Gr. Synop. Fl. N. Am. ii. p. 149. Gilia glandulosa, Scheele in Linnsea, xxi. p. 753. Texas ; New Mexico. — North Mexico, Sonora (ex Torrey), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 605). Hb. Kew. Var. acerosa, A. Gr. in Proc. Am. Acad. viii. p. 280. Texas; New Mexico; Arizona. — North Mexico, Parras, Coahuila {Palmer, 843), Saltillo {Palmer, 842). Hb. Kew. 6. Gilia setosissima, A. Gr. Proc. Am. Acad. viii. p. 271 ; Synop. Fl. N. Am. ii. p. 142. Navarretia schottii, Torrey, Bot. U.S. & Mex. Bound. Surv. p. 145. Utah ; California ; Arizona. — North Mexico, Sonora {Schott). 4. POLEMONIUM. Polemonium, Linn. Gen. Plant, n. 217 ; Benth. et Hook. Gen. Plant, ii. p. 823. Herbs. Eight or nine species, inhabiting Europe, temperate Asia, North America, Mexico, and Chili. 1. Polemonium grandiflorum, Benth. in DC. Prodr. ix. p. 317. South Mexico, peak of Orizaba, 9000 to 12,000 feet {Linden, 325 ; GaleoUi, 1446). Hb. Kew. 2^2 356 POLEMONIACE^. 2. Polemonium mexicanum, Cervantes in Lag. Gen. et Sp. Nov. p. 10 ; DC. Prodr. ix. p. 317. South Mexico, Desierto Viejo {Bourgeau, 878). Hb. Kevr. Bourgeau's specimens seem to be the same as the numerous cultivated ones of the original P. mexicanum. 5. LCESELIA. Lceselia, Linn. Gen. Plant, n. 7&7 ; Benth. et Hook. Gen. Plant, ii. p. 823. Hoitzia, Juss. Gen. Plant, p. 136. Herbs. Seven or eight species, inhabiting Mexico and Central America, one of them extending to Colombia ; and tv?o species have recently been discovered in California. 1. LcBSelia amplectens, Benth. in DC. Prodr. ix. p. 320. Hoitzia amplectens, Hook, et Arn. Bot. Beech. Voy. p. 441. South Mexico, San Bias to Tepic {Sinclair), San Bias to Guadalajara {Coulter, 1203) ; NicAEAGUA and Costa Eica {(Ersted) % Hb. Kew. 2. Lceselia CSerulea, Don, Gen. Syst. iv. p. 248 ; DC. Prodr. ix. p. 319. Hoitzia creeulea, Cav. Ic. PI. iv. t. 366. NoKTH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 603), Zacatecas {Coulter, 1288); South Mexico, Tehuacan, 5000 feet {Galeotti, 638), around Tacubaya {Schaffner), valley of Mexico {Bourgeau, 491 ; Bilimeh, 293). Hb. Kew. 3. LcBSelia ciliata, Linn. Sp. Pi. p. 875 ; DC. Prodr. ix. p. 319 ; Lam. 111. t 527. Hoitzia aristata, H. B. K. Nov. Gen. et Sp. iii. p. 164. Lceselia aristata, Don, Gen. Syst. iv. p. 248. South Mexico, Vera Cruz {Houston). 4. Lceselia COCcinea, Don, Gen. Syst. iv. p. 247; DC. Prodr, ix. p. 318; Kegel's Gartenfl. t. 643. Hoitzia coccinea, Cav. Ic. PI. t. 365. Hoitzia mexicana. Lam. Diet. iii. p, 134. , North Mexico, Sierra Madre {Seemann, 2109), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 604) ; South Mexico, Zimapan {Coulter, 1328), valley of Mexico {Bourgeau, 1112), Oaxaca, 7000 feet {Galeotti, 1443), Chiapas {Linden, 299), Chapultepec {Bilimek, 324), and many other collectors without localities. Hb. Kew. 5. Lceselia glandulosa, Don, Gen. Syst. iv. p. 248 ; DC. Prodr. ix. p. 319. Hoitzia gladulosa, Cav. Ic. PL t. 367. Lceselia cervantesii, conglomerata et nepetafolia, Don, Gen. Syst. iv. p. 248. Hoitzia cervantesii et conglomerata, H. B. K. Nov. Gen. et Sp. iii. pp. 164 et 165. Hoitzia elata, Hook, et Arn. Bot. Beech. Voy. p. 441. Hoitzia spicata et capitata, Willd. in Roem. et Schult. Syst. iv. p. 370. Hoitzia nepetafolia, Cham, et Schl. in Linnsea, vi. p. 385. NoBTH Mexico, Chihuahua {Parry), SaltHlo, Coahuila (G're^^), Nuevo Leon {Edwards), POLEMONIACE^. 357 Sierra Madre {Seemann, 2114), Zacatecas {Coulter, 1286), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 605^) ; South Mexico, Vera Cruz {Linden, 621 ; Galeotti, 2978, 7052), region of Orizaba {Bourgeau, 3322), valley of Cordova {Bourgeau, 1822) ; Guatemala, Volcan de Fuego, 4800 feet {Salvin & Godman), near Coban, at 4400 feet {Tiirckheim, Skinner) ; Nicaeagua, Realejo {Sinclair) ; Costa Rica, Candelaria {(Ersted); Panama, BoqueteVeraguas (iS'^^wiaJzw, 1601). — Colombia; Venezuela. Hb. Kew. A reexamination of the materials would probably lead to the separation of some of the numerous forms referred to this species. 6. Lceselia involucrata, Don, Gen. Syst. iv. p. 248 ; DC. Prodr. ix. p. 319. Hoitzia lupulina, Hook, et Am. Bot. Beech. Voy. p. 441. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 702), Cerro de Pinal {Seemann, 1507) ; Guatemala {Friedrichstlial) ; Nicaragua, Eealejo {Sinclair) ; Panama {Seemann, 578). Hb. Kew. 7. Lceselia rupestris, Benth. in DC. Prodr. ix. p. 319. South Mexico, Cordillera of Oaxaca, at 7000 feet {Galeotti, 1448), Chiapas {Ghies- hregJit, 709). Hb. Kew. 6. BONPLANDIA. Bonplandia, Cav. in An. Hist. Nat. ii. (1800) p. 131, t. 20; Benth. et Hook. Gen. Plant, ii. p. 834, An herbaceous or half-shrubby monotype. 1. Bonplandia geminiflora, Cav. loc. cit. et Ic. Pi. t. 532. Caldasia heterophylla, Willd. Hort. Berol. t. 71; DC. Prodr. ix. p. 320; Bot. Eeg. t. 92. NoETH Mexico, Cerro de Pinal {Seemann, 1498) ; South Mexico, Cuernavaca {Bilimek, 292, 306), ravines near Guadalajara, 3000 feet {Galeotti, 940), Tepic {Barclay). Hb. Kew. 7. COB^A. Cobcea, Cav. Ic. PL i. p. 15, tt. 16 et 17; Benth. et Hook. Gen. Plant, ii. p. 824; Hemsl. in 'Th'e Garden/ xvii. (1880) p. 353. Eight species of climbing shrubs or herbs, ranging from Mexico to Peru. 1. Cobaea gracilis, Hemsley in 'The Garden,' xvii. p. 352. Rosenbergia gracilis, CErst. in Vidensk. Meddel. 1856, p. 30. CosTA Rica {(Ersted, Endres V). Hb. Kew. 2. Cobaea macrOStema, Pavon, ex Don in Edin. Phil. Journ. x. p. 112 ; Bot. Mag. t. 3780 ; DC. Prodr. ix. p. 322, nee Benth. Bot. Voy. ' Sulphur,' p. 132. Cobaa lutea, Don, loc. cit. Guatemala, Zunil {Hartweg), Volcan de Fuego, 4800 feet {Godman & Salvin); San Salvador {Bernoulli, 25). Hb. Kew. 358 POLEMONIACE^. The Atacamas plant referred to this species by Bentham is a distinct species, which we have described in ' The Garden,' xvii. p, 352, under the name C. campanulata, Hemsley. 3. Cobaea minor, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 276 ; Walp. Eep. vi. p. 527. South Mexico, Orizaba (Muller, 1674 ; Galeotti). Hb. Kew. 4. Cob£ea SCandenS, Cav. Tc. PL i. p. 15, tt. 16 et 17; Bot. Mag. t. 851; Flore des Serres, t. 1467. Mexico, San Geronimo, valley of Mexico [Bourgeau, 557). Hb. Kew. The Venezuelan and Colombian specimens referred in some herbaria to this species belong to C. friance, Hemsley ('The Garden,' xvii. (1880) p. 353). 5. Cobasa Stipidaris, Benth. Pi. Hartw. p. 45 ; DC. Prodr. ix. p. 322 ; Bot. Eeg. 1841, t. 25. South Mexico, San Cornelio {Hartweg), Zimapan {Coulter, 928). Hb. Kew. Order XCII. HYDROPHYLLACEtE. HydrophyllacecB, Benth. et Hook. Gen. Plant, ii. p. 825. Herbs, or rarely shrubs. About 150 species, referred to sixteen genera. The greater part are North- American, chiefly inhabiting the western side of the continent ; a few occur in the Andes of South America, extending southward to Chili ; one species is endemic in South Africa ; two or three are widely dispersed in the warm regions of the Old World ; and one has been found in the Sandwich Islands. 1. ELLISIA. ElUsia, Linn. Gen. Plant, n. 244; Benth. et Hook. Gen. Plant, ii. p. 827. Five herbaceous species, inhabiting North America. 1. EUisia chrysanthemifolia, Benth. Trans. Linn. Soc. xvii. p. 274; Torr. Bot. U.S. & Mex. Bound. Surv. p. 143 ; A. Gr. Synop. Fl. N. Am. ii. p. 158. California; Lower California. — North Mexico, within the old boundary near Tucson {Parry). 2. PHACELIA. Phacelia, Juss. Gen. Plant, p. 129; Benth. et Hook. Gen. Plant, ii. p. 827. About fifty herbaceous species, inhabiting North America, chiefly the west, and a few the Andes of South America. 1. Phacelia Ciliata, Benth. in Trans. Linn. Soc. xvii. p. 274 ; A. Gr. Synop. Fl. N. Am. ii. p. 161 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 145. California.— North Mexico, Sonora {Smith), Ojo de Vaca, Chihuahua {Thurber). HTDEOPHYLLACILS. 359 2. Phacelia Circinata, Jacq. f. Eclog. i. p. 135, t. 91 ; DC. Prodr. ix. p. 298 ; A. Gr. Synop. Fl. N. Am. ii. p. 159. British Columbia to California and New Mexico. — Mexico, Orizaba (Schiede & Beppe), San Felipe {Andrieux, 211). — Peru and Chili to the Straits of Magellan. Hb. Kew. 3. Phacelia COngesta, Hook. Bot. Mag. t. 3452 ; DC. Prodr. ix. p. 299 ; A. Gr. Synop. Fl. N. Am. ii. p. 160. Texas. — North Mexico, east of Saltillo {Palmer, 850). Hb. Kew. 4. Phacelia glandulosa, Nutt. Pi. Gamb. p. 160 ,- A. Gr. Synop. Fl. N. Am. ii. p. 160. Phacelia popei, Torr. & Gray, Pacif. Railr. Rep. ii. p. 172, t. 10. Eutoca glandulosa, Hook. Kew Journ. Bot. iii. p. 293. Texas and Colorado to Arizona. — Mexico, Keal del Monte [Coulter, 921). Hb. Kew. 5. Phacelia infundibuliformis, Torr. Bot. U.S. & Mex. Bound. Surv. p. 144 ; A. Gr. Synop. Fl. N. Am. ii. p. 166. New Mexico. — North Mexico, Santa Maria, Chihuahua [Bigelow). 6. Phacelia integrifolia, Torr. in Ann. Lye. N. York, ii. p. 222, t. 3, et Bot. U.S. «& Mex. Bound. Surv. p. 143; A. Gr. Synop. Fl. N. Am. ii. p. 160. Colorado ; Texas ; Utah ; Arizona. — North Mexico, Sonora ( Wright), Chihuahua {Thurber). 7. Phacelia micrantha, Torr. Bot. U.S. & Mex. Bound. Surv. p. 144 ; A. Gr. Synop. Fl. N. Am. ii. p. 169. Utah ; California ; Arizona ; New Mexico. — North Mexico, Sonora {Parry). 8. Phacelia pimpinelloides, A. Gr. in Proc. Am. Acad. X. p. 321. Eutoca pimpinelloides, Spreng. Syst. i. p. 569. Cosmanthus mexicanus, A. DC. Prodr. ix.. p. 297. Eutoca mexicana, Benth. in Trans. Linn. Soc. xvii. p. 277. Eutoca andrieuxii, A. DC. Prodr. ix. p. 294. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 606) ; South Mexico, Popocatepetl, at 10,000 feet {Galeotti, 4025), peak of Orizaba, 12,500 feet {Galeotti, 3079 ; Linden, 1401), summit of San Felipe {Andrieux, 217), valley of Mexico {Bourgeau, 493) ; Guatemala {Godman & Salvin). Hb. Kew. 3. WIGANDIA. Wigandia, H. B. K. Nov. Gen. et Sp. iii. p. 126; Benth. et Hook. Gen. Plant, ii. p. 831. Three or four robust herbaceous species, widely dispersed in the mountains of tropical America. They require revision. 360 HTDEOPHTLLACE^. 1. Wigandia caracasana, H. B. K. Nov. Gen. et Sp. iii. p. 128 ; Bot. Mag. t. 4575^ Bot. Eeg. t. 19661 South Mexico, Oaxaca {Ghiesbreght).—CoLOM.Bix; Venezuela. Hb. Kew. 2. Wigandia kmithii, Choisy in DC. Prodr. x. p. 184. (Tab. LVIII.) Wigandia mens, H. B. K. Not. Gen. et Sp. iii. p. 127, non Choisy. South Mexico, Huahuapan (Andrieux, 216), Pedregal {Bilimek, 252), Oaxaca, 6000 feet (Galeotti, 1436), valley of Mexico {Bourgeau, 128); Guatemala, Capetillo, Volcan de Fuego, 4600 feet (Salvin), without locality {Skirmer). Hb. Kew. Grisebach (Fl. Brit. W. Ind. p. 477) reduces W. caracasana, " Hook.," to this species, and retains the name W. urens, H. B. K., for it. /3. macrophylla, Choisy in DC. Prodr. x. p. 184 ; Cham, et Schl. in Linnsea, vi. p. 382 (species). Mexico {Schiede & Beppe). 3. Wigandia SCOrpioideS, Choisy in DC. Prodr. x. p. 184 ; DC. Caiques des Dess. ri. Mex. 873. South Mexico, region of Orizaba {Bourgeau, 2478 ; Muller, 1364 ; Botteri, 883), Cordillera of Oaxaca, at 5000 feet {Galeotti, 1437) ; Nicabagua, Eealejo {Sinclair). Hb. Kew. 4. Wigandia urens, Choisy in DC. Prodr. X. p. 184 % Hydrolea urens, Euiz et Pav. Fl. Peru. iii. t. 243 ? South Mexico, Leon {Hartweg). Hb. Kew. 4. NAMA. Nama, Linn. Gen. Plant, n. 317; Benth. et Hook. Gen. Plant, ii. p. 831. About twenty-two herbaceous and half-shrubby species, inhabiting Mexico and the neighbouring countries, two extending to South America. The following synopsis of the Mexican species was kindly furnished by Dr. A. Gray. All the species of the flora of North America, excepting the peculiar ones of § 2 and § 3 of my Synop. Fl. N. Am. ii. p. 175 (i. e. JH. lobhii, rothrockii, and parryi), occur in Mexico, or near its northern line ; and the genus mainly belongs to the Texano- Mexican region. Among the new species which have recently come to hand, and which are here indicated, are two with appendaged filaments, a character that at first sight appears to be quite anomalous. But in a considerable number of .the species, including the original N. jamaicense, the adnate base of the filament has more or less free, thin margins, which are manifestly homologous with the so-called plicae or appendages in the corolla of many Hydrophyllaceae, especially in Phacelia and Emmenanthe ; these are prolonged into a free and conspicuous lobe on each side of the filament in 2f. schaffneri, but only into a short tooth in N. stenqphyllum. In W. palmeri the HTDEOPHTLLACE^, 361 conspicuously winged margins of the adnate portion of the filament taper upwards, with no vestige of a tooth. In Nama there is no hypogynous disk ; but the very base of the calyx is obscurely adnate to that of the ovary in N. jamaicense, N. Mspidum, &c. It is decidedly so in N. undulatum, and so much so in W. stenocarpum that the ovary and capsule appear to be about one third inferior. The union is complete ; but the base of the calyx may usually be torn away without much rupture. In this species, moreover, is often seen the anomaly of more or less united styles. In characterizing the Mexican new species it will be both convenient and useful to give a synoptical arrangement of all of them now known. § 1. Filamenta infeme bidentata. 1. Nama schaffneri, A. Gr., n. sp. E radice annua ramosissimunij diffasum, molliter pubescens, foliis lingulato-spathulatis vel oblan- ceolatis basi subdecurrente sessilibus membranaceis flores breviter graciliterque pedunculatos STiperantibus, corolla (fere semipoUicari) infundibuliformi sepalis sursum parum ampliatis duplo longiore, appendicibus staminum linearibus pauUo brevioribus quam filamentum suum, capsula oblonga polysperma, seminibus ovalibus Iseviusculis, testa conformi diaphana. North Mexico, in low sandy ground near Morales, San Luis Potosi {Schaffner, 194), the same region {Parry & Palmer, 609). Hb. Kew. The singular appendages to the filament are continued downwards to the base of the adnate portion as a narrow linear border. 2. Nama stenophyllum, A. Gr., n. sp. SufErutescens, hirsuto-hispidum j caule sat valido foliosissimo ; foliis angusto-linearibus (subpoUi- caribus vix lineam latis) flores sequantibua vel superantibus ; corolla fere liypocraterimorpha, limbo brevi sepalis sursum baud ampliatis pauUo longiore ; filamentis brevissime bidentatis ; capsula inferne cum calyce longius adnata. North Mexico, San Lorenzo de Laguno, Coahuila {Palmer, 861), San Luis Potosi {Schaffner, 11)1 Hb. Kew. Fruit not seen, and flowers scanty or in poor condition. In two forms — one very hirsute and hispid, with spreading white hairs ; the other with more appressed, some- what strigose, pubescence, firmer leaves, and more ligneous stems. Appears as if a denizen of subsaline soil. The appendages of the stamens are as in the foregoing species, except the termination, where the filament becomes free, with a short callous tooth on each side. § 2. Filamenta edentata, basi corollse adnata, ssepe dilatata, interdum marginibus liberis apice baud excurrentibus plus minus alato-appendiculata. * Suffirutescentia, sessilifolia, oligosperma, sepalis sursum attenuatis. 3. Nama palmeri, A. Gr., n. sp. SuflPrutescens, cinereo-pubescens et subhirsutum, foliis subspathulato-lanceolatis vel sublinearibus basi angustata sessilibus concoloribus fere eveniis (plerumque sesquipoUicaribus) flores glome- BIOL. CENTR.-AMEK., Bot. Vol. II., February 1882. 3 a 362 HTDEOPHYLLACE^. ratos suhsessiles longius superantibus ; corolla infiindibuliformi-campanulata (lineas 5 longa) sepala subulato-linearia vix superante ; filamentis basi adnata latiuscule alato-dilatatis ; capsula brcTi-oblonga subcoriacea calyce (semipollicari) multo breviore 12-16-sperinaj seminibus sub- globosis tuberculato- scrobiculatis . NoETH Mexico, low mountains at Soledad, twenty-five miles south-west of Monclova, Coahuila {Palmer, 856). Hb. Kew. N. lobbii, A. Gr., the related Calif ornian species, of which immature fruit is now found in the Kew herbarium, appears to have only about eight seeds ; these oblong, pendulous, half a line in length, and with a thickish, nearly smooth testa. The prolonged adnate portion of the filament has distinct, but very narrow, free edges. W. demissum may have almost as many seeds as JV. palmeri ; but it is an annual. ** Suffrutescentia, foliis petiolatis pinnativeniis, sepalis sursum latioribus, seminibus scrobiculatis. 4. Nama hirsutum, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 277 (reprint, p. 23) ; Walp. Rep. vi. p. 565. Semina in loculis 5-7. Corolla ^ poll. Folia fere concoloria. South Mexico, Cordillera of Oaxaca, at 7000 to 9000 feet {Galeotti, 4096, 7164). Hb. Kew. 6. Nama sericeum, Willd. in Eoem. et Schult. Syst. vi. p. 189. Nama longiflorum, Choisy, Hydrol. t. 2. f. 2; DC. Prodr. x. p. 183. Semina sat numerosa. Corolla ultra semipollicaris. Folia subtus sericeo-incana. Mexico {Humboldt & Bonplarid ; Coulter, 914, 915). Hb. Kew. *** Fruticulus parvifoliuSj parvi- et breviflorus, foliis breviter vel brevissime petiolatis margiuibus mox revolutis, sepalis sursum latioribus. 6. Nama origanifolium, H. B. K. Nov. Gen. et Sp. iii. p. 130, t. 218. Semina in loculis circa 10, oblonga, immatura Isevia. North Mexico, region of San Luis Potosi {Schaffner, 732; Parry & Palmer, 612). Hb. Kew. Schaff"ner and Parry and Palmer have collected characteristic specimens of this species- The corolla is only two or three lines long, and (as in the figure and description) slightly surpassing the calyx ; and the peduncles are very short. The stock or base is thick and woody ; and even the slender branches become ligneous. Seemann's 2083, which was naturally referred to this species, seems rather to belong to N. rupicolvm. **** Herbse perennes, basi interdum suffrutescentes, diffussBj latifolise, seminibus parvis, maturis parum parceque scrobiculatis. t Folia manifeste petiolata, plerumque alterna, membranacea. 7. Nama rupicolum, Pavon, Bonpl. ex Choisy ; DC. Prodr. x. p. 183. Albido-villosum ; caulibus basi sat lignescentibus ; foliis ovalibus rotundisve interdum obovato- oblongis venosis, petiolo gracili ; corolla sepalis sursum plus minus dilatatis longiore. NoETH Mexico, region Of San Luis Potosi {Parry & Palmer), Sierra Madre {Seemann, HYDEOPHYLLACEiE. 363 2083), Monterey {Eaton & Edwards); South Mexico, Cuernavaca {Bourgeau, 1263) Hb. Kew. The original of this species I take to be "N. rupicola, Pavon," of which there are good and quite similar specimens in Boissier's herbarium and at the British Museum, formerly in Lambert's herbarium. As it is Pavon's name, and as the plant is not found among the plants of Bonpland in the herbarium at the Jardin des Plantes, I suppose that Choisy has made a mistake in ascribing the name to the latter. The species has to be taken in a rather wide sense, even probably to include Seemann's 2083. The original specimens are hoary villous, mostly round-leaved, with sepals little shorter than the corolla, and spatulate-dilated at the tip; the capsule mostly short and small, as described by Choisy. The specimens from Monterey of Edwards and Eaton have narrower leaves, much less dilated sepals, and an oblong capsule. And the following very marked form must be added : — Var. rotundifoliuin, A. Gr. VuidCj pilis tenuibus interdum longis subviscosis villosum ; pedunculis plerisque elongatis fili- formibus ; sepalis corolla (lineas 4 longa) dimidio brevioribus ; capsula aut ovali aut oblonga. NoETH Mexico, near Monclova, Coahuila {Palmer, 983), near Monterey {Palmer, 984) ; South Mexico, Cuernavaca {BilimeJc, 392). Hb. Kew. There are two forms. Palmer's 983 is remarkably green and large-leaved, probably from growing in moist and shady situations; 984 is villous, with very soft long hairs. Bilimek's 392 connects this with the genuine N. rupicolum. * tt I'olia fere sessilia, opposita. 8. Nama serpylloides, A. Gr., n. sp. Puberulum, effuse ramosissimuni, gracile ; foliis spathulatis vel obovatis basi attenuatis fere eveniis (lineas 3-5 loDgis); pedunculis fiUformibus brevioribus; corolla (lineas 2-3 longa) quam calyx duplo longiore. NoBTH Mexico, near Monclova, Coahuila {Palmer, 982). Hb. Kew. The fine pubescence is seemingly somewhat viscid ; and the long villous or hirsute hairs so common in related species are wholly wanting. The leaves appear to be uniformly opposite! ***** Herbse annuse, necnon radice indurascente dia persistentes. f Folia lata, subito graciliter petiolata ; sepala spathulata. 9. Nama latifolium, A. Gr. in Proc. Am. Acad. viii. p. 284. South Mexico, western Cordillera of Oaxaca at 8000 feet {Galeotti, 1068), valley of Mexico {Bourgeau, 610). Hb. Kew. Var. hispidulum, A. Gr., forma hirsutior. Guatemala, ridge above Calderas, 8300 feet {Salvin). Hb! Kew. 3a 2 364 HTDEOPHTLLACE^. tt Folia basi attenuata, subsessilia vel vix petiolata, nee semiamplexicaulia nee seeus caulem decurrentia ; pedunculi ssepius brevissimi. % Sepala sursum latiora. 10. Nama dichotomum, Choisy in DC. Prodr. X. p. 182 ; A. Gr. in Proc. Am. Acad. v. p. 338, viii. p. 283. Hydrolea dichotoma, Euiz et Pav. Fl. Peru. t. 244. NoKTH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 610) ; South Mexico, Vera Cruz to Orizaba (Miiller, 1678), Zimapan (Coulter, 916), valley of Mexico (Bourgeau, 356, 610), region of Orizaba (Bourgeau, 3163) ; Guatemala, Atitlan (Bernoulli, 614). — Ecuador ; Bolivia. Hb. Kew. Var. angUStifolimn, A. Gr. in Proc. Am. Acad. viii. p. 284 ; Synop. PL N. Am. ii. p. 175. Colorado ; New Mexico. — North Mexico (Palmer, 855), San Luis Potosi (Schaffner). Hb. Kew. 11. Nama COulteri, A. Gr. in Proc. Am. Acad. viii. p. 283. North Mexico, Nazas valley, Bolson de Mapimi, Chihuahua ( Gregg). Founded on Coulter's 463 of the " Californian collection," but probably from the northern part of Mexico. N. sandwicensis, A. Gr., is of this subdivision, and is related to the next. X% Sepala sursum haud ampliata. 12. Nama hispidum, A. Gr. in Proc. Am. Acad. v. p. 339; Synop. Fl. N. Am. ii. p. 174. Texas to Arizona and California. — North Mexico, San Lorenzo de Laguna (Palmer, 859, 860). Hb. Kew. N. demissum, A. Gr., from Oregon to Arizona, belongs to this group. ttt Folia caulina sessilia, haud deciurentia, superiora basi sat lata plus minus semiamplexicaulia ; sepala sursum plus minus ampliata ; pedunculi ssepius brevissimi. 13. Nama undulatum, H. B. K. Nov. Gen. et Sp. iii. p. 130 ; A. Gr. Synop. Fl. N. Amer. ii. p. 174. Nama echioides, Griseb. Symb. ad Fl. Argent, p. 377. Capsula oblonga ima basi calyci coadunata ; seminibus numerosissimis parvis ovalibus, testa tenui conform! diaphana. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 607, 608); South Mexico, Cerro de los Bancs, valley of Mexico (Bourgeau, 131). — Chili; La Plata. Hb. Kew. Var. % macranthum, Choisy, Hydrol. p. 18, t. 2. fig. 1 ; DC. Prodr. x. p. 182. Nama berlandieri, A. Gr. in Proc. Am. Acad. viii. p. 283, x. p. 330. Forma notabilis laxa ; floribus majoribus interdum longiuscule pediceUatis. North Mexico, Tamaulipas near Eeynosa (Berlandier, 2116, 699). Hb. Kew. HYDROPHTLLACE^. 365 14. Nama Stenocarpum, A. Gr. in Proc. Am. Acad. X. p. 331 ; Synop. Fl. N. Am. ii. p. 174. Nama undulatum, A. Gr. in Proc. Am. Acad. viii. p. 282 (non H. B. K.). Capsula cylindrica fere lineari j seminibus majoribus demum angulatis, testa crassa opaca reticulata; pedunculis fructiferis brevissimis rigidis vel nullis. Texas to Arizona. — Noeth Mexico, along the border to Sonora. Hb. Kew. tttt Folia caulina pleraque secus caulem alato-decurrentia ; sepala sursum parum dilatata ; semina subglobosa, testa crassiuscula favosa. Herbse aniiuse vel subperennantes. X Procumbentes, latifolise, pedunculis brevibus vel brevissimis. 15. Namajamaicense, Linn. Sp. Pi. p. 327; DC. Prodr. x. p. 182; A. Gr. Synop, Fl. N. Am. ii. p. 174. Texas ; Florida. — Mexico, Tepic {Barclay), Vera Cruz to Orizaba {MilUer, 292 ; Bourgeau, 2bQ%) ; Guatemala {Bernoulli; Turckheim). — And widely dispersed in the West Indies. Hb. Hew. XX AssurgenteSj diffussBj pedunculis filiformibus folia ssepius excedentibus bine inde furcatis. 16. Nama biflorum, Choisy in DC. Prodr. x. p. 183. Gracile, villoso-birsutum ; foliis oblongo-spathulatis infeme sensim attenuatis, venis inconspicuis adscendentibus ; corolla quam calyx pauUo longiore. North Mexico {Berlandier, 780, 2126, and 2200, not " 200 "), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 702^) ; South Mexico, valley of Mexico {Bourgeau, Q07)'i Hb. Kew. 17. Nama subpetiolare, A. Gr., n. sp. Pube prorsus molli villosum ; foliis obovatis ovatisve subito quasi in petiolum alatum sat longum contractis, secus caulem ssepe breviter decurrentibus, venis subtus prominulis patentibusj corolla (lineas 5 longa) quam calyx duplo longiore. North Mexico, near Monterey, Nuevo Leon {Palmer, 985). Hb. Kew. 5. HYDEOLEA. Hydrolea, Linn. Gen. Plant, n. 318; Benth. et Hook. Gen. Plant, ii. p. 831. Herbs or undershrubs. About fifteen species, widely dispersed in America, Tropical Africa, India, the Malayan Archipelago, and Tropical Australia. 1. Hydrolea glabra, Choisy in DC. Prodr. x. p. 181 % South Mexico, Yucatan and Tabasco {Johnson, 52). Hb. Kew. The type is recorded from " New Spain," which sometimes means one thing, some- times another. 2. Hydrolea SpinOSa, Linn. Sp. PI. p. 328 ; Aubl. Guian. i. t. 110 ; Bot. Eeg. t. 566 ; DC. Prodr. x. p. 181. South Mexico, Sierra San Pedro Nolasco, &c. Jurgensen, 608) ; Nicaragua, Chontales 366 HTDKOPHTLLACE^. {Tate, 126) ; Panama, Chagres {Fendler, 236), without locality {Seemann, /Sinclair).— Common in tropical and subtropical South America and the West Ikdies. Hb. Kew. Order XCIII. BORAGINE.E. Boraginece, Benth. et Hook. Gen. Plant, ii. p. 832. Herbs, shrubs, or trees. Sixty-eight genera, comprising about 1200 species, widely dispersed. 1. COEDIA. Cordia, Linn. Gen. Plant, n. 256 ; Benth. et Hook. Gen. Plant, ii. p. 838. From 180 to 200 arboreous and shrubby species, generally distributed in warm countries, but most numerous in America. 1. Cordia alba, Rcem. et Schult. Syst. iv. p. 466. Varronia calyptrata, A. DC. Prodr. ix. p. 469. Cordia dentata, VaH, Eel. iii. p. 5 ; H. B. K. Nov. Gen. et Sp. iii. p. 70. South Mexico, Tehuantepec {Andrieuoc, 198, 207; Hartweg), near Vera Cruz, at 1000 feet {Galeotti, 1323; Linden, 284:), Oaxaca (Ghieshreght) ; Guatemala (Skinner); Honduras, Gulf of Fonseca (Sinclair) ; Nicaragua, neighbourhood of Granada (Levy). — Colombia ; Venezuela ; and Cuba to Trinidad. Hb. Kew. 2. Cordia ambigua, Cham, et Schl. in Linnsea, v. p. 115 ; DC. Prodr. ix. p. 497. South Mexico, Mirador (Linden, 144), Jalapa, at 4000 feet (Galeotti, 7079), region of Orizaba (Bourgeau, 2625). Hb. Kew. 3. Cordia boissieri, A. DC. Prodr. ix. p. 478 ; A. Gr. Synop. Fl. N. Am. ii. p. 180. Texas ; New Mexico.— North Mexico, Monterey (Eaton & Edwards, 49 ; Berlandier), San Luis Potosi to Tampico (Palmer, 1126) ; South Mexico, Zimapan (Coulter, 1067). Hb. Kew. 4. Cordia brevispicata, Mart, et Gal. in Bull. Acad.Brux. xi. 2, p. 331; Walp. Eep. vi. p. 553. South Mexico, Tehuacan de las Granadas, 5200 feet (Galeotti, 7192). Hb. Kew. 5. Cordia cana, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 331 (reprint, p. 15) ; Walp. Kep. vi. p. 555, South Mexico, Pacific coast, Oaxaca ( Galeotti, 7140). 6. Cordia COllocOCCa, Linn. Sp. PI. p. 274 ; Griseb. Fl. Brit. W. Ind. p. 478 ; Bull. Acad. Brux. xi. 2 (reprint, p. 16). South Mexico, Sola, Oaxaca, near Guadalajara, etc. (Galeotti, 1610, 1611).— Colombia; West Indies. Hb. Kew. BOEAGINE^. 367 7. Cordia crenulata, A. DC. Prodr. ix. p. 492. Mexico {Eerh. Pavon). 8. Cordia crispiflora, A. DC. Prodr, ix. p. 476 ; Caiques des Dess. Fl. Mex. p. 875. Mexico. 9. Cordia dasycephala, H. B. K. Nov. Gen. et Sp. iii. p. 76 ; DC. Prodr. ix. p. 497 ; Bull. Acad. Brux. xi. 2 (reprint, p. 14). South Mexico, Jalapa, 4000 feet {GaleoUi, 7071). — West Indies and Guiana to Venezuela. 10. Cordia diversifolia, Pavon; DC. Prodr. ix. p. 474. Mexico ? — Peeu 1 11. Cordia dodecandra, A. DC. Prodr. ix. p. 478 ; Caiques des Dess. Fl. Mex. p. 874. South Mexico, Alvarado (Mogino & SessS) ; Yucatan {Johnson). Hb. Kew. 12. Cordia elaeagnoides, DC. Prodr. ix. ^. 474. South Mexico, Chinitan, between Tehuan tepee and Boca del Monte {Andrieux, 197), vrithout locality {Qhiesbreght). Hb. Kew. 13. Cordia ferruginea, Ecem. et Schult. Syst. iv. p. 468; DC. Prodr. ix. p. 488. South Mexico, region of Orizaba (Bourgeau, 2325, 2420 ; MuUer, 146, 821), near Jalapa, 3000 feet {GaleoUi, 7076, 7149), Tabasco {Linden, 1617).— Colombia. Hb. Kew. 14. Cordia foliosa, Mart, et Gal. in BuU. Acad. Brux. xi. 2, p. 330 (reprint, p. 14) ; Walp. Eep. vi. p. 554. South Mexico, woods of Zacuapan {GaleoUi, 7094). Hb. Kew. 15. Cordia gerascanthoides, H. B. K. Nov. Gen. et Sp. iii. p. 69 ; DC. Prodr. ix. p. 472 ; Griseb. Fl. Brit. W. Ind. p. 478 % Mexico {Parkinson); San Salvador, Acajutla {S. Hayes, 456).— Cuba; Jamaica. Hb. Kew. 16. Cordia geraSCanthuS, Jacq. Amer. p. 43, t. 175. fig. 16 ; DC. Prodr. ix. p. 472. South Mexico, Sierra San Pedro Nolasco, etc. {Jurgensen, 962), Acapulco {Sinclair) : Guatemala {Friedrichsthal) ; Panama, Paraiso {S. Hayes), near the city of Panama {Seemann, 452). Hb. Kew. 17. Cordia globosa, H. B. K. Nov. Gen. et Sp. iii. p. 76 ; Griseb. Fl. Brit. W. Ind. p. 481 ; A. Gr. Synop. Fl. N. Am. ii. p. 180. Keys of Florida.— Panama (ex Grisebach). — ^West Indies. 368 BOEAGINEiE. 18. Cordia greggii, Torr. Bot. U.S. & Mex. Bound. Surv. p. 135. North Mexico, Bolson de Mapimi {Gregg), San Lorenzo de Laguna, Coahuila {Palmer). Hb. Kew. 19. Cordia hermanniEefolia, Cham. inLinnfea, iv. p. 482 ; DC. Prodr. ix. p. 494. South Mexico, Hacienda de la Laguna {Schiede). — Brazil. 20. Cordia hartwissiana, Kegel, Ind. Sem. Hort. Petrop. 1858, p. 39. South Mexico, near Narango el Carrizo {Karwinski). " Berries similar to olives, sweet and edible. Trompillo of the natives." 21. Cordia hispida, Benth. Bot. Voy. ' Sulphur,' p. 139. Honduras, Gulf of Fonseca {Sinclair). Hb. Kew. 22. Cordia interrupta, DC. Prodr. ix. p. 491. Nicaragua, Greytown {Tate, 42) ; Panama, near the city of Panama {Seemann, 330 ; S. Hayes, 72).— Guiana. Hb. Kew. 23. Cordia laxiflora, H. B. K. Nov. Gen. et Sp. iii. p. 72 ; DC. Prodr. ix. p. 489 ; Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 14). South Mexico, Mirador, 3000 feet {Galeotti, 7076). — Colombia. 24. Cordia linearis, A. DC Prodr. ix. p. 493. Mexico. 25. Cordia macrocephala, H. B. K. Nov. Gen. et Sp. iii. p. 77 ; DC. Prodr. ix. p. 497. North Mexico, Sonera Alta {Coulter, 1068); South Mexico, Aguas Calientes {Hartweg), near Vera Cruz {Galeotti, 7107). — Peru. Hb. Kew. 26. Cordia microcephala, Willd. in Ecem. et Schult. Syst. iv. p. 801 ; Benth. Bot. Voy. ' Sulphur,' p. 139. Honduras, Gulf of Fonseca {Sinclair). — Venezuela. Hb. Kew. Mr. Bentham doubtfully refers Sinclair's plant to Willdenow's species. 27. Cordia oaxacana, DC. Prodr. ix. p. 497. South Mexico, near Tololapa, Oaxaca {Andrieux, 203). Hb. Kew. 28. Corda parvifolia, A. DC. Prodr. ix. p. 498. Mexico. 29. Cordia peruviana ^. mexicana, DC. Prodr. ix. p. 491 ; Benth. Bot. Voy ' Sulphur,' p. 139. Cordia obliqua, H. B. K. Nov. Gen. et Sp. iii, p. 74. South Mexico, Campeachy {Humboldt & Bonpland) ; Guatemala {Friedrichsthal) ; Panama {Sinclair ; Fendler, 130). Hb. Kew. BORAGINEiE. 369 29. Cordia podocephala, Torr. Bot. U.S. & Mex. Bound. Surv. p. 1-35 ; A. Gr. Synop. Fl. N. Am. ii. p. 180. Texas; New Mexico. — North Mexico, Monterey (JEaton & Edwards). Hb. Kew. 30. Cordia rotata, M09. in DC. Prod. ix. p. 483; Caiques des Dess. Fl. Mex. p. 880. Mexico. 31. Cordia rotundifolia, Kuiz et Pav. Fl. Peruv. ii. p. 24, t. 148. Varronia rotundifolia, A. DC. Prodr. ix. p. 469. Panama {Cuming). — Colombia to Peeu and in the Galapagos. Hb. Kew. 32. Cordia serratifolia, H. B. K. Nov. Gen. et Sp. iii. p. 76 ; DC Prodr. ix. p. 495. Cordia parvif alia, Ort. Dec. vii. p. 85. South Mexico, Plan del Rio (Schiede), Campeachy (Humboldt & Bonpland). 33. Cordia tenuifolia, Bertol. Misc. Bot. fasc. xxi. p. 13, t. 1. Guatemala, Esquintla {Velasquez). 34. Cordia tinifolia, Willd. in Eoem. et Schult. Syst. Veg. iv. p. 800 ; DC. Prodr. ix. p. 472. Cm-dia gerascanthus, H. B. K. Nov. Gen. et Sp. iii. p. 69 (non Jacq.). South Mexico, Acapulco {Humboldt & Bonpland). 35. Cordia nlmifolia, Juss. in Cours Bot. Cult. ed. 1, ii. p. 148; DC. Prodr. ix. p. 494 ; Griseb. Fl. Brit. W. Ind. p. 480. Panama, near the city of Panama {S. Hayes, 559), Isle de Taboga {Seemann). — ^West Indies and southward to Peru and Brazil. Hb. Kew. 2. BOUEEERIA. Bourreria, P. Br. Hist. Jam. p. 168, t. 15 ; Benth. et Hook. Gen. Plant, ii. p. 840. Beurreria, Jacq. Stirp. Amer. p. 44. About eighteen shrubby and arboreous species, inhabiting Mexico, Central America, the West Indies, and Colombia. 1. Bourreria andrieuxii, Hemsley. Ehretia andrieuxii, DC. Prodr. ix. p. 510. Cremaiomia andrieuxii, Miers, Contrib. Bot. ii. p. 254. South Mexico, Puebla {Andrieux, 200). Hb. Kew. 2. Bourreria formosa, Hemsley. (Tab. LIX.) Ehretia formosa et y8. oaxacana, DC. Prodr. ix. p. 510. Cremaiomia formosa, Miers, Contrib. Bot. ii. p. 251. South Mexico, Sierra San Pedro Nolasco etc. {Jurgensen, 710), Tehuantepec {Andrieux, 201) ; Guatemala, Ciudad Vieja, 5400 feet {Salmn). Hb. Kew. EXPLANATION OF TAB. LIX. Kg. 1, a corolla laid open ; 2, a calyx laid open, showing the ovary: a little enlarged. In the upper right-hand comer is a semi-double flower. BIOL, cent.-amer., Bot. Vol. II., February 1882. 3 b 870 BOEAGINEJi:. 3. Bourreria grandiflora, Bertol. Fl. Guat. p. 10. Ehretia guatemalensis, DC. Prodr. ix. p. 507. Crematomia guatemalensis, Miers, Contrib. Bot. ii. p. 245. Guatemala, Esquintla [Velasquez). Bertoloni's description agrees very well with B. formosa. 4. Bourreria huanita, Hemsley. Crematomia ? huanita, Miers, Contrib. Bot. ii. p. 255. Morelosia huanita, Llav. et Lex. Nov. Veg. Descr. i. p. 1. South Mexico, Valladolid, Michoacan (Lexarza). 5. Bourreria revoluta, H. B. K. Nov. Gen. et Sp. iii. p. 67. Ehretia revoluta, DC, Prodr. ix. p. 507. South Mexico, near Regla, at 6250 feet {Humboldt & Bonpland). 6. Bourreria spathulata, Hemsley. Crematomia spathulata, Miers, Contrib. Bot. ii. p. 253. Mexico (Hb. Pavon). 3. EHRETIA. Ehretia, Linn. Gen. Plant, n. 257; Benth. et Hook. Gen. Plant, ii. p. 840. Shrubs and trees. About fifty species, inhabiting the warm regions of both hemi- spheres, but most numerous in the eastern. 1. Ehretia ciliata, Miers, Contrib. Bot. ii. p. 229. Texas. — Nokth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 591^) ; Monterey, Nuevo Leon {Palmer, 871). Hb. Kew. Hardly diflFerent from P,. elUptica. 2. Ehretia elliptica, DC. Prodr. ix. p. 503 ; Miers, Contrib. Bot. p. 228, t. 85 ; A. Gr. Synop. Fl. N. Amer. p. 181. Ehretia exasperata, Miers, loo. cit. p. 230. Texas. — North Mexico, Matamoros (5er?a?^(Z^■eJ', 2369), M.oni&cey {Baton & Edwards, 70), Santa Rosa, Chihuahua {Bigelow). Hb. Kew. Eaton and Edwards's specimen has much smaller leaves, but does not seem to differ otherwise. E. scabra, Kth. et Bouche, may belong to this species. 3. Ehretia latifolia, DC. Prodr. ix. p. 503 ; Miers, Contrib. Bot. ii. p. 229. South Mexico, Cordillera of Oaxaca, at 5500 feet {Galeotti, 3099), region of Orizaba {Botteri, 1022 ; Bourgeau). Hb. Kew. 4. Ehretia longifolia, Miers, Contrib. Bot. ii. p. 228. Ehretia tinifolia, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 16). Sooth Mexico, between Tehuacan and Oaxaca, 3500 feet {Galeotti, 7194). — Jamaica. BOEAGINE^. 371 5. Ehretia SCabra, Kth. et Bouche, Ind. Sem. Hort. Berol. 1847, coll. p. 12 ; Walp. Ann. i. p. 524. Mexico 1 6. Ehretia tinifolia, Linn.; Griseb. Fl. Brit. W. Ind. p. 481. South Mexico, Yucatan (ex Grisehach). — West Indies. 4. COLDENIA. Coldenia, Linn. Gen. Plant, n. 173; Benth. et Hook. Gen. Plant, ii. p. 841. Diffuse herbs. Ten species are known, one of which is widely dispersed in the warm regions of the Old World ; the rest are Western- American, both north and south, including the Gralapagos. 1. Coldenia Canescens, DC. Prodr. ix. p. 559 ; A. Gr. Synop. Fl. N. Amer. ii. p. 181. Stegnocarpus canescens, Torr. in Pacif. Railr. Rep. ii. p. 169, t. 7. Texas to Aeizona. — North Mexico, Monterey {Eaton & Edwards, 47), Monclova, Coahuila {Palmer, 874), Sierra Madre, Coahuila {Palmer, 864), mountains of San Miguelita, San Luis Potosi {Sehaffner, 631). Hb. Kew. 2. Coldenia greggii, A. Gr. Synop. Fl. N. Am. ii. p. 182 ; Proc. Am. Acad. X. p. 48. Ptilocalyx greggi, Torr. Pacif. Eailr. Rep. ii. t. 8. Texas; New Mexico. — North Mexico, without locality {Gregg), San Lorenzo de Laguna {Palmer, 865). Hb. Kew. 3. Coldenia Mspidissima, A. Gr. in Proc. Am. Acad. V. p. 340 ; Synop. Fl. N. Am. ii. p. 182. Eddya hispidissima, Torr. Pacif. Railr. Rep. ii. t. 9. South Utah to Arizona and Western Texas. — North Mexico, Monclova, Coahuila {Palmer, 898). Hb. Kew. 5. EHABDIA. Rhabdia, Mart. Nov. Gen. et Sp. ii. p. 136 ; Benth. et Hook. Gen. Plant, ii. p. 842. A shrubby monotype. 1. Ehabdia lycioides, Mart. Nov. Gen. et Sp. ii. p. 136, 1. 195 ; Miers, Contrib. Bot. ii. p. 222, cum spp. 2 et 3, t. 84 ; Mart. Fl. Bras. xix.-t. 9 ; Hook. Ic. PI. t. 823. South Mexico, Cordillera of Oaxaca, at 2500 feet {GaleotU, 1774). — Brazil ; Tropical Africa ; Tropical Asia. Hb, Kew. 6. TOUENEFORTIA. Tournefortia, Linn. Gen. Plant, n. 192 ; Benth. et Hook. Gen. Plant, ii. p. 843. Trees and shrubs. About 100 species, generally diffused in warm countries. The 352 372 BOEAGINE^. Mexican species have been unduly multiplied, especially by Martens and Galeotti, several of their species being apparently referable to others previously described. 1. Touruefortia acutiflora, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 333 ; Walp. Kep. vi. p. 556. South Mexico, Cordillera of Oaxaca, 6000 feet {Galeotti, 1257). Hb. Kew. 2. Tournefortia asperrima, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 333 ; Walp. Eep. vi. p. 556. South Mexico, San Bias, Jalisco (Galeotti, 1275). 8. Tournefortia bicolor, Swartz, Fl. Ind. Occ. i. p. 344; Griseb. Fl. Brit. W. Ind. p. 483. Stenostomum (?) dichotomum, DC. Prodr. iv. p. 461. South Mexico, Sierra San Pedro Nolasco etc. (Jurgensen, 101), region of Orizaba (5o^^m, 1005, 1055; Jiourgeau), Tea-pa (Linden, 256); Costa Higa (Undres) ; Panama, Chagres (Fendler, 232). — Common in the West Indies and northern part of South America. Hb. Kew. 4. Tournefortia billbergiana, Beurling in Kong. Vet. Handl. 1854, p. 139. Panama, Portobello (Billberg). 5. Tournefortia calycina, Benth. Bot. Voy. ' Sulphur,' p. 139. South Mexico, Acapulco (Sinclair). Hb. Kew. 6. Tournefortia Candida, Walp. Eep. vi. p. 556. Messerschmidia Candida, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 334. South Mexico, Cordillera of Oaxaca, 3000 feet (Galeotti, 1283 bis). Hb. Kew. 7. Tournefortia Capitata, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 332 ; Walp. Eep. vi. p. 555. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 613) ; South Mexico, Sola, south of Oaxaca, at 4800 feet (Galeotti, 1260), Zacoalco (Bour- geau, 1414). Hb. Kew. Seemann (Bot. Voy. ' Herald,' p. 329) reduces this to T. calycina, associating with them a plant he collected in the Cerro de Pinal, which appears to differ from both. 8. Tournefortia chrysantha, Walp. Eep. vi. p. 556. Messerschmidia chrysantha, Mart, et Gal. in Bull. Acad. Brux. xi. 3, p. 334. South Mexico, woods of Mirador and Zacuapan, at 3000 feet (Galeotti, 1266, 7035), Mirador (Linden, 270), Tampico (Serlandier, 777). Hb. Kew. 9. Tournefortia densiflora, Mart, et Gal. in BuU. Acad. Brux. xi. 2, p. 333 ; Walp. Eep. vi. p. 556. South Mexico, Guadalajara, 3000 feet (Galeotti, 1274). Hb. Kew. BOEAGINE^. 373 10. Tournefortia elliptica, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 332 ; Walp. Eep. vi. p. 555. South Mexico, dunes of Vera Cruz {Galeotti, 1265). 11. Tournefortia ferruginea, Lam. ; DC. Prodr. ix. p. 521 ; Griseb. Fl. Brit. W. Ind. p. 484. Mexico (ex GrisehacK). — West Indies to Brazil. 12. Tournefortia hartwegiana, Steud. ; DC. Prodr. ix. p. 515. Tournefortia undulata, Benth. PI. Hartw. p. 20 (non Ruiz et Pav.). North Mexico, Sierra Madre (Seemann, 2087) ; South Mexico, Bolanos (Rartweg), without locality [Beecliey). Hb. Kew. 13. Tournefortia hernandesii, Dunal in DC. Prodr. ix. p. 529. Mexico. 14. Tournefortia hirsutissima, Linn. Sp. Pi. p. 201 ; DC. Prodr. ix. p. 517 ; Griseb. FI. Brit. W. Ind. p. 483. A common plant in Mexico and Central America, as well as in the West Indies and the northern part of South America. Hb. Kew. 15. Tournefortia laurifolia, Vent. Choix, t. 2 ; DC. Prodr. ix. p. 522 ; Griseb. Fl. Brit. W. Ind. p. 484. Panama (ex Grisebach).^-CvBA to Trinidad, Guiana, and Brazil. Hb. Kew. 16. Tournefortia mexicana, Vatke, Ind. Sem. Ilort. Berol. 1876, App. p. 1. Mexico. 17. Tournefortia mutabilis, Vent. Choix, t. 3 ; DC. Prodr. ix. p. 515. Mexico. 18. Tournefortia petiolaris, DC. Prodr. ix. p. 520. Mexico. 19. Tournefortia SChiedeana, G. Don, Gen. Syst. iv. p. 368 ; DC. Prodr. ix. p. 530. South Mexico, around Jalapa {Schiede). 20. Tournefortia trichocalycina, DC. Prodr. ix. p. 517. South Mexico,. Tampico {Berlandier, 2141), Oaxaca (Andrieux, 204). Hb. Kew. 21. Tournefortia velutina, H. B. K. Nov. Gen. et Sp. iii. p. 79, t. 201; DC. Prodr. ix. p. 524. South Mexico, Acapulco {Humboldt & JBonjoland; Barclay), San Bias to Tepic (Coulter, 1070), between Tehuacan and Oaxaca, 3000 feet (Galeotti, 1283) ; Guatemala, Acasaguastlan (Bernoulli, 976). Hb. Kew. 374 BOEAGINE^. 7. HELIOTEOPIUM. Helioiropium, Linn. Gen. Plant, n. 179 ; Benth. et Hook. Gen. Plant, ii. p. 843. Herbs, under-shrubs, rarely quite shrubby. Nearly 150 species have been described ; and there are probably above 100 distinct ones. They are vridely dispersed in tropical and subtropical countries. 1. Heliotropium americanum, Mill. Diet. n. ll ; DC. Prodr. ix. p. 549. Mexico, Vera Cruz. 2. Heliotropium angUStifolium, Torr. Bot. U.S. &Mex. Bound. Surv. p. 137; A. Gr. Synop. Fl. N. Am. ii. p. 184. Texas. — North Mexico, near Monterey (Eaton & Edwards ; Palmer, 878) ; Caracol Mountains, twenty-five miles south-east of Monclova [Palmer, 879, 880). Hb. Kew. 3. Heliotropium campechianum, H. B. K. Nov. Gen. et Sp, iii. p. 86 ; DC. Prodr. ix. p. 545. South Mexico, Campeachy [Humboldt & Bonpland). 4. Helitropium COnfertifolium, Torr. ; A. Gr. Synop. PL N. Am. ii. p. 184. Heliotropium limbatum et H. limbatum confertifolium, Torr. Bot. U.S. &Mex. Bound. Surv. p. 138, non H. limbatum, Benth. Texas. — North Mexico, Monterey [Eaton & Edwards), Murin [Thurber), Soledad, twenty-five miles south-west of Monclova [Palmer, 890). Hb. Kew. 5. Heliotropium COnvolvulaceum, A. Gr. in Mem. Amer. Acad. vi. p. 403 ; Synop. PI. N. Am. ii. p. 183. Euploca convolvulacea, Nutt. in Trans. Am. Phil. Soc. ser. 2, v. p. 189 ; Hook. Ic. PI. p. 651 ; Torr. in Marcy's Rep. t. 15. Nebraska to West Texas and in South-east California. — North Mexico, Chihuahua [TJiurher). 6. Heliotropium COriaceum, Lehm. in Act. Nov. Nat. Cur. xiv. 2, p. 810; DC. Prodr. ix. p. 549. Mexico. 7. Heliotropium corymbosum, Euiz et Pav. Fl. Peru. ii. p. 2, t. 107. fig. a; DC. Prodr. ix. p. 538; Bot. Mag. t. 1609. Guatemala [Bernoulli, 124); Central America, without locality [Barclay). — Colombia to Peru, Guiana, and Brazil. Hb. Kew. 8. Heliotropium Curassavicum, Linn. Sp. Pi. p. 188 ; DC. Prodr. ix. p. 538 ; A. Gr. Synop. Fl. N. Am. ii. p. 185 ; Bot. Mag. t. 2669. Oregon and Virginia southward.— Mexico, Leon(irarifwe^), SanLuisPotosi(/S'cAa^?^e/•), Vera Cruz [Oaleotti, 1262), Yotla [Andrieux, 206), valley of Mexico [Bourgeau, 130), Cordillera of Oaxaca, 5000 feet [Galeotti, 1258). — West Indies and southward to boeaginej:. 375 Patagoma ; also common, chiefly in maritime and saline regions, in Australia, South Africa, and the Pacific Islands. Hb. Kew. 9. Heliotropium filiforme, H. B. K. Nov. Gen. et Sp. iii. p. 86, t. 204 ; Griseb. Fl. Brit. W. Ind. p. 486. Mexico (ex Grisehach). — Southward to Brazil and in Jamaica. 10. Helotropium fruticOSUm, Linn. Sp. PL p. 187; DC. Prodr. ix. p. 542; Griseb. Fl. Brit. W. Ind. p. 486. South Mexico, Oaxaca {Andrieux, 205); Guatemala [Skinner, Bernoulli). — Throughout the West Indies and the northern part of South America. Hb. Kew. 11. Heliotropium glabriusculum, A. Gr. inProc. Am. Acad. x.p. 50; Synop. Fl. N. Am. ii. p. 186. Heliophytum glabriusculum, Torr. Bot. U.S. & Mex. Bound. Surv. p. 139. Texas. — North Mexico, mountains west of Saltillo, Coahuila {Palmer, 883). Hb. Kew. 12. Heliotropium greggii, Torr. Bot. U.S. & Mex. Bound. Surv. p. 137 ; A. Gr. Synop. Fl. N. Am. ii. p. 184. Texas ; New Mexico. — North Mexico, near Chihuahua {Thurher), near Santa Rosalia {Gregg), San Lorenzo de Laguna, Coahuila {Palmer, 888). Hb. Kew. 13. Heliotropium indicum, Linn. Sp. PL p. 187 ; Bot. Mag. t. 1837 ; Griseb. FL Brit. W. Ind. p. 485 ; A. Gr. Synop. Fl. N. Am. ii. p. 186. A very widely dispersed plant in tropical and subtropical countries, including Mexico and Central America ; but Dr. Gray states that it was introduced into America from the Old World, whilst Grisehach treats it as indigenous. Hb. Kew. 14. Heliotropium inundatum, Swartz, Fl. Ind. Occ. i. p. 343 ; A. Gr. Synop. Fl. N. Am. ii. p. 185. Heliotropium procumbens, canescens et cinereum, H. B. K. Nov. Gen. et Sp. iii. pp. 88 et 89, t. 206. Texas to California. — North Mexico, near Monterey {Gregg) ; South Mexico, Acapulco {Beechey), Vera Cruz to Orizaba {Miiller, 98), valley of Cordova {Bourgeau, 2071), Yucatan {Johnson) ; Guatemala {Bernoulli, 590) ; Panama {Seemann, 567). — Southward to Uruguay, and from Cuba to Trinidad. Hb. Kew. 15. Heliotropium limbatum, Benth. PL Hartw. p. 20 ; DC. Prodr. ix. p. 543. South Mexico, Aguas Calientes {Hartweg, 154), Vera Cruz to Oriz&ha. {Miiller, 1539). Hb. Kew. H. rupestre, Mart, et Gal., is probably this species. 16. Heliotropium macrostachyum, Hemsley. Heliophytum macrostachyum, DC. Prodr. ix. p. 556. South Mexico, near Tehuantepec, Oaxaca {Andrieux, 198). 376 BOEA&INEiE. 17. HeUotropium oaxacanum, DC. Prodr. ix. p. 543. South Mexico, between Tehuantepec and the Pacific, Oaxaca (Andrieux). 18. Heliotropium oblongifolium, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 336 ; Walp. Rep. vi. p. 556. South Mexico, Mextitlan &c., near Eeal del Monte, 5000 feet (Galeotti, 1272). Hb. Kew. Probably the same as the next. 19. Heliotropium parviflorum, Linn. Mant. p. 201 ; A. Gr. Synop. Fl. N. Am. ii. p. 186. Heliophy turn parviflorum, DC. Prodr. ix. p. 553. Florida; Texas. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet [Parry & Palmer, 617), Monterey [Eaton & Edwards) ; South Mexico, Zimapan [Coulter, 1064), Yucatan [Johnson). — West Indies and tropical South America. Hb. Kew. This should, perhaps, include both H. ohlongifolium and H. rugosum. Mart, et Gal. 20. Heliotropium phyllostachyum, Torr. Bot. U.S. & Mex. Bound. Surv. p. 137. Arizojvta. — North Mexico, near Monterey [Eaton & Edwards), San Fernando, Coahuila [Berlandier). 21. Heliotropium rigidulum, DC. Prodr. ix. p. 540. North Mexico, Monterey [Eaton & Edwards), around Matamoros [Berlandier, 234). Hb. Kew. 22. HeUotropium rupestre, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 335 ; Walp. Eep. vi. p. 557. South Mexico, Santa Maria, near Morelia, Michoacan, 6500 feet [Galeotti, 1282). Hb. Kew. 23. Heliotropium rugosum, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 336 ; Walp. Eep. vi. p. 557. South Mexico, cactiferous plains of Ejutla, south of Oaxaca, 5000 feet [Galeotti, 1271). Hb. Kew. 24. Heliotropium striatum, H. B. K. Nov. Gen. et Sp. iii. p. 87 ; DC. Prodr. ix. p. 545 ] Guatemala [Bernoulli, 784). Hb. Kew. The typical plant was collected in Venezuela. 8. HAEPAGONELLA. Harpagonella, A. Gr. in Proc. Am. Acad. xi. p. 88; Benth. et Hook. Gen. Plant, ii. p. 846. An annual herbaceous monotype. BOEAGINE^. 377 1. HarpagOnella palmeri, A. Gr. in Proc. Am. Acad. xi. p. 88 ; Synop. Fl. N. Am. ii. p. 186. GuADELUPE IsLAJSTD, off Lower California. — Nokth Mexico, within the old boundary- near Tucson (Greene). Hb. Kew. 9. OMPHALODES. Omphalodes, Moench. Meth. p. 419 ; Benth. et Hook. Gen. Plant, ii. p. 847. About twelve herbaceous species, inhabiting Europe, North Africa, Western and Central Asia and Japan, and Mexico. 1. Omphalodes aliena, A. Gr. MSS. in hb. Kew. Foliis cordiformibus, inflorescentia laxo-racemosa ebracteata. Herba annua, 6-8 poll, alta, longe strigoso-pilosa, eaulibns erectis vel adscendentibus, gracillimisj basi tantum foliosis. Folia tenuia^ longe petiolataj cordiformia, brevissime abnipteque acuminata, lamina maxima 15 lineas diametro, petiolo gracili usque ad 3 poll., longo. Floras cseruleij 4-5 lineas diametro, laxe pseudo-racemosi, ebracteati, pedicellis filiformibus usque ad 6 lineas longis ; calycis segmenta lanceolato-oblongaj obtusa, extus densissime longeque albo-strigosa j corolla subrotata, squamis crassiusculis papillosis instructa. Nuculce, ut videtur, dimorpbse ; inferiores circumalatse, hispidulse, pateriformes, ala crenata, incrassata, retroflexa; superiores circumalatse, subplanse, glabrae, ala crenata, plana, tenui, subscariosa. Nokth Mexico, Monterey, Nuevo Leon {Palmer, 873). Hb. Kew. We think there can be no doubt that the nucules of this species are dimorphic, the wing in a few of the lower ones being thickened, hispid, and turned back, and in the rest thin, glabrous, and flat. 2. Omphalodes cardiophylla, A. Gr. MSS. in hb. Kew. Foliis cordiformibus, floribus omnibus axillaribus. Herba annua, 3-4 poll, alta, hispidulo-pilosa, ramis gracillimis, undique foliosis. Folia tenuia, radicalia longe petiolata, omnia cordiformia, gradatim acuminata, lamina maxima 1 poll. I'onga, radicalium petiolis gracilibus usque ad 3 poll, longis, caulinorum petiolis 4-12 lineas longis. Flares 3-4 lineas diametro, axillares, solitarii, pedicellis quam folia brevioribus ; calycis segmenta ovato-oblonga, obtusa, extus strigillosa; corolla breviter tubulosa, squamis crassiusculis papillosis instructa. NucuIcb pateriformes, circumalatae, maturae puberulae ; ala vix incrassata, retroflexa, dentata, dentibus angustis longiusculis acutis. Nokth Mexico, mountains near Saltillo [Palmer, 894). Hb. Kew. 10. ECHINOSPEEMUM. Echinospermwm, Swartz in Lebm. Asperif . p. 113 ; Bentb. et Hook. Gen. Plant, ii. p. 850. Herbs. About fifty species, widely dispersed in the temperate regions of the northern hemisphere, and a few inhabiting South Africa and Australia. 1. Echinospermum mexicanum, Hemsley. Cynoglossum mexicanum, Cham, et Scbl. in Linnsea, v. p. 114; DC. Prodr. x. p. 156. South Mexico, Macultepec (Schiede), peak of Orizaba, 10,000 feet (Galeotti, 1269; BIOL. CBNTK.-AMER., Bot. Vol. II., February 1882. 3 c 378 BOEAGINE^. Muller, 1514 ; Idnden, 269), Eeal del Monte {Coulter, 1056), Desierto Viejo {Bourgeau, 881). Hb. Kew. There are specimens from Colombia and Peru in Kew herbarium that may be the same species. 11. EEITKICHIUM. Eritrichium, Schrad. Comm. Asperif. p. 16; Bentli. et Hoot. Gen. Plant, ii. p. 850. Herbs. About seventy species in the mountains of Europe, montane and Northern Asia, North America, especially on the western side, in the Andes and extratropical South America, and a few in the Mediterranean region, and one in Australia. 1. Eritrichium angUStifolium, Torr. in Pacif. Eailr. Eep. V. p. 363 ; Bot. U.S. & Mex. Bound. Surv. p. 141 ; A. Gr. Synop. Fl. N. Am. ii. p. 194. Aeizona; California; Lowee Califoewia. — Noeth Mexico on the Gila (Thurier). 2. Eritrichium craSSisepalum, Torr. & Gray, Pacif. Eailr. Eep. ii. p. 171 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 141; A. Gr. Synop. Fl. N. Am. ii. p. 195. Saskatchewan to Nebeaska. and Texas. — ^Noeth Mexico, along the Eio Grande and westward to Guadalupe Pass, Sonora (ex ^orrey). 3. Eritrichium hispidum, Buckley in Proc. Acad. Philad. 1861, p. 462; A. Gr. Synop. Fl. N. Am. ii. p. 195. West Texas to New Mexico. — Noeth Mexico, without locality {Gregg), east of Saltillo, at 10,000 feet {Palmer, 896), mountains of San Eafael, San Luis Potosi {Schaffner, 731), region of San Lui.s Potosi, 6000 to 8000 feet {Parry & Palmer, 623). Hb. Kew. 4. Eritrichium jamesii, Torr. in Marcy's Eep. p. 294, et Bot. U.S. & Mex. Bound. Surv. p. 140. Wyoming to Aeizona, New Mexico and Texas. — Noeth Mexico, San Luis, Sonora {Smith). 5. Eritrichium micranthum, Torr. Bot. U.S. & Mex. Bound. Surv. p. 141 ; A. Gr. Synop. Fl. N. Am. ii. p. 193. Utah ; Arizona ; Calieoenia ; Texas. — Along the Eio Grande {Thurher). 6. Eritrichium pusillum, Torr. & Gray in Pacif Eailr. Eep. ii. p. 171 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 141. New Mexico. — Noeth Mexico, Santa Maria, Chihuahua {Parry). 7. Eritrichium, sp. ^ Noeth Mexico, Sierra Madre, Coahuila {Palmer, 895). Hb. Kew, 8. Eritrichium, sp. 1 Noeth Mexico, Monterey, Nuevo Leon {Palmer, 902). Hb. Kew. BOEAGINE^. 379 12. AMSINCKIA. Amsinckia, Lehm. Del. Sem. Hort. Hamb. 1831; Benth. et Hook. Gen. Plant, ii. p. 851. Benthamia, Lindl. Nat. Syst. ed. 1, p. 241. About six or seven herbaceous species in North-west America and Chili. 1. Amsinckia intermedia, Fisch. et Mey. Ind. Sem. Hort. Petrop. 1835, p. 26 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 140; A. Gr. Synop. Fl. N. Am. ii. p. 198. Beitish Columbia to California. — North Mexico, Sonora {Parry). 2. Amsinckia lycopsoides, Lehm. Del. Sem. Hort. Hamb. 1831, p. 7 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 140'; A. Gr. Synop. Fl. N. Am. ii. p. 198. OEEGoiir to California. — North Mexico, betvpeen Tucson and the Gila {Parry). 3. Amsinckia mexicana, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 23). South Mexico, oak forests near Morelia, Michoacan, at 8000 feet {Galeotti, 7207). Hb. Kew. 13. ECHIDIOCAEYA. Echidiocarya, A. Gr. in Benth. et Hook. Gen. Plant, ii. p. 854. Two herbaceous species, the second in California. 1. Echidiocarya arizonica, A. Gr. Synop. Fl. N. Am. ii. p. 199, Arizona. — North Mexico, within the old boundary, near Tucson {Greene). 14. ANTIPHYTUM. Antiphytum, DC. Prodr. x. p. 131, pro parte; Benth. et Hook. Gen. Plant, ii. p. 859; A. Gr. in Proc. Am. Acad. x. p. 54, et Synop. Fl. N. Am. ii. p. 199. About five herbaceous and half-shrubby species in the Mexican region, South Brazil, and Buenos Ayres. A. mexicanum, DC, is a doubtful plant. 1. Antiphytum floribundum, A. Gr. in Proc. Am. Acad. x. p. 55 ; Synop. Fl. N. Am. ii. p. 199. Eritrichium floribundum, Torr. Bot. U.S. & Mex. Bound. Surv. p. 140. Texas. — North Mexico, mountains of San Miguelita, San Luis Potosi {Schaffner, 730). Hb. Kew. 2. Antiphytum heliotropoides, A. DC. Prodr. x. p. 122 ; A. Gr. Synop. Fl. N. Am. ii. p. 199. Eritrichium heliotropoides, Torr. Bot. U.S. & Mex. Bound. Surv. p. 140. North Mexico, Palmilla to Tula {Berlandier, 2217), Saltillo {Gregg) ; South Mexico Zimapan {Coulter, 1055). Hb. Kew. [Pectocarya, DC, a genus of three or four species inhabiting western America, from Chili to Colombia and California to Arizona and Utah, may be expected to be represented within the limits of our flora.] 3c2 380 BOEAGINE^. 15. MACROMEKIA. Macromeria, Don in Edinb. N. Phil. Journ. 1833, p. 239 ; Benth. et Hook. Gen. Plant, ii. p. 859. An exclusively American genus of about eight herbaceous species, ranging from Mexico to Peru. 1. Macromeria discolor, Benth. Pi. Hartw. p. 49; DC. Prodr, X. p. 69. South Mexico, summit of San Felipe (Andrieux, 208), Vera Cruz to Orizaba {Muller, 1358), Sierra San Pedro Nolasco &c. {Jurgensen, 485), Cordillera of Oaxaca, 8000 to 9000 feet {Qaleotti, 1472). Hb. Kew. 2. Macromeria exserta, Don in Edinb. N. Phil. Journ. 1832, p. 239; Gen. Syst. iv. p. 326; DC. Prodr. x. p. 68; Bot. Eeg. 1847, t. 26. South Mexico, between Tuzpan and Anganguio {Hartweg, 371), San Felipe {Andrieux, 210), Oaxaca {Ghiesbreght), Sierra San Pedro Nolasco &c. {Jurgensen, 667). Hb. Kew. 3. Macromeria longiflora, Don in Edinb. N. Phil. Journ. 1832, p. 239 ; Gen. Syst. iv. p. 326 ; DC. Prodr. x. p. 68. Macromeria Mspida, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 33) . South Mexico, Morelia, 8000 feet {Galeotti, 1917; Hartweg, 372). Hb. Kew. 4. Macromeria viridiflora, DC. Prodr. x. p. 68 ; Caiques des Dess. Fl. Mex. 904. Mexico. 16. ONOSMODIUM. Onosmodium, Michx. Fl. Bor.-Am. i. p. 133 ; Benth. et Hook. Gen. Plant, ii. p. 859. About six herbaceous species, inhabiting North America. 1. Onosmodium strigOSUm, Don, Gen. Syst. iv. p. 317 ; DC. Prodr. x. p. 69. Onosma trinervia, Lehm. Asperif. ii. p. 378, t. 9. Onosma strigosa, H. B. K. Nov. Gen. et Sp. iii. p. 93. South Mexico, near Pazcuaro, 6000 to 7000 feet {Humboldt & Bonpland), Morelia, 8000 feet {Galeotti, 7202). Hb. Kew. 2. Onosmodium, sp. % South Mexico, Oaxaca {Ghiesbreght). Hb. Kew. 17. LITHOSPEEMUM. LUhospermum, Linn. Gen. Plant, n. 181 ; Benth. et Hook. Gen. Plant, ii. p. 860. Herbs, half-shrubs, or low shrubs. About forty species, generally dispersed in the extratropical regions of the northern hemisphere ; ' and a few are indigenous in South- west America and in South Africa ; and one of the northern species is now a common introduced weed in many places in the southern hemisphere. BOEAQINILE. 381 1. Lithospermum angUStifolium, Michx. Fl. Bor.-Am. i. p. 130; A. Gr. Synop. Fl. N. Am. ii. p. 205. Lithospermum longiflarum, Spreng. Syst. i. p. 554; Hook. Fl. Bor.-Am. t. 165. Lithospermum mandanense, Spreng. loc. cit. ; Hook. loc. cit. t. 166. Pentalophus longiflorus et mandanensis, A. DC. Prodr. x. pp. 86 et 87. Illinois to Wisconsin and Dakota, southward to Texas and westward to Utah and Aeizona.— North Mexico, Ojo de Vaca, Chihuahua {Thurher). 2. Lithospermum Canescens, Lehm. Asperif. ii. p. 305 ; DC. Prodr. X. p. 78 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 139 ; A. Gr. Synop. Fl. N. Am. ii. p. 204. Canada and Saskatchewan southward to New Mexico and Arizona. — North Mexico, San Luis, Chihuahua (Scott). 3. Lithospermum discolor, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 21) ; DC. Prodr. x. p. 79. South Mexico, Cordillera of Oaxaca, 6000 to 7000 feet (Galeotti, 1261), Tepic (Barclay/). Hb. Kew. 4. Lithospermum distichum, Ort. Dec. p.' 8 ,- DC. Prodr. X. p. 77 ; Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 21). South Mexico, peak of Orizaba, 11,000 to 12,000 feet (Galeotti, 1270 ; Linden, 268). — Cuba. Hb. Kew. 5. Lithospermum linifolium, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 22) ; DC. Prodr. x. p. 84. South Mexico, Tehuacan, 5000 feet (Galeotti, 1284). Hb. Kew. 6. Lithospermum matamorense, DC. Prodr. x. p. 76 ; A. Gr. Synop. Fl. N. Am. ii. p. 203. Texas. — North Mexico, around Matomoros (Berlandier, 2311), near Monterey (Eaton & Edwards). Hb. Kew. 7. Lithospermum Spathulatum, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 21); DC. Prodr. X. p. 78. South Mexico, Cordillera of Oaxaca, at 9000 feet (Galeotti, 1259), San Felipe (Andrieux, 209), Sierra San Pedro Nolasco &c. (Jurgensen, 814, 822), Chiapas (Ghies- hreght). Hb. Kew. 8. Lithospermum Strictum, Lehm. Asperif. p. 303; DC. Prodr. x. p. 78; Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 22). South Mexico, Nevada de Toluca, 9500 feet (Galeotti, 1277, 1278), Pedregal (Bourgeau, 129 bis), Eeal del Monte to Zimapan (Coulter, 1048). Hb. Kew. 382 CONYOLVTILACE^. Order XCIV. CONVOLVULACE.E. Convolvuhcets, Benth. et Hook. Gen. Plant, ii. p. 865. Herbs or shrubs, often twining, rarely arboreous. About 800 species, referred to thirty-two genera. The Order is represented in nearly all countries and regions, but most numerously in warm countries. 1. MAEIPA. , Maripa, Aubl. PI. Guian. i. p. 230 ; Benth. et Hook. Gen. Plant, ii. p. 869. Tall climbing, or rarely erect shrubs. About ten species, restricted to Tropical America. 1. Maripa densiflora, Benth. in Hook. Lond. Journ. Bot. v. p. 351. Panama, Bujio station {8. Hayes, 140).— Guiana ; Bbazil. Hb. Kew. 2. Maripa nicaraguensis, Hemsley, n, sp. Erecta ?j f oliis basi leviter cordatis, iloribus amplis in paniculas parvas densas terminales dispositis, ovario glaberrimo. Frutex erectus ?, ramulis crassiusculis^ cito glabrescentibus, internodiis brevibus. Folia petiolata, coriacea, glabra^ late ovata, 3-4 poll, louga, basi leviter cordata, apice abrupte acuminata, integerrima, venis lateralibus primariis utrinque 8-10 subtus prominulis ; petiolus gracilius- culus, circiter semipollicaris. Flores rosei ?, 1^-2 poll, longi^ in paniculas parvas densas terminales dispositi, panicarum ramulis pedicellisque primum ferrugineo-puberulis ; bractese minutse, squamseformes ; calycis segmenta subsequalia, 2 exteriora ovata, fere glabra, 3 interiora suborbicularia, dorso medio puberula, margine plus minus ciliolata ; corolla infundibularis, infra medium valde constricta, brevissime 5-lobata, margine undulata, extus supra medium minute strigilloso-puberula, infra medium parce minute lepidota; stamina inclusa, filamentis basi dilatatis barbatis ; ovarium glaberrimum, stylo stamina sequante. Fructus deest. Nicaragua, Chontales {Tate, 418). Hb. Kew. 3. Maripa panamensis, Hemsley, n. sp. M. seandentis afBnis, differt paniculis latioribus, floribus grandioribus lilacinis, calycibas pulve- rulentis nee liirsutis, etc. Frutese alte scandens, ramis crassiusculis, glabris. Folia petiolata, coriacea, glaberrima, nitida, ovata vel elliptica, vel superiora oblonga, maxima visa 7-8 poll, longa, basi leviter cuneata vel interdum fere rotundata, apice acuminata, obtusiuscula, venis lateralibus primariis utrinque 8-10 subtus prominulis; petiolus crassiusculus, usque ad poUicaris. Flores pallide lilacini {Hayesio), 15-18 lineas lougi,in paniculas amplas laxas terminales dispositi, pedicellis cymosis, pulverulentis ; bracteae obsoletse; calycis segmenta subsequalia, suborbicularia, pulverulenta, minute ciliolata j corolla campanulato-infundibularis, deorsum gradatim attenuata, obsolete 5-lobata, margine undulata, extus supra medium densissime sericeo-villosa, infra medium glabra ; stamina inclusa, filamentis basi dilatatis barbatis ; ovarium parcissime hirsutum, stylo stamina sequante. Fructus a nobis ignotus. Panama, Chagres {Fendler, 255). Hb. Kew. CONVOLVULACE^. 383 2. IPOMCEA. Ipomcea, Linn. Gen. Plant, n. 216^ ad species plures Convolvuli extensa; Benth. et Hook. Gen. Plant, ii. p. 870. Herbs or shrubs or very rarely arboreous. Between 300 and 400 species, chiefly inhabiting the warmer regions of both hemispheres, rarer in temperate regions, both north and south ; quite absent from Europe, and only one in Asiatic Eussia. 1. Ipomcea acuminata, Eoem. et Schult. Syst. iv. p. 228 ; Meissn. in Fl. Bras, vii. p. 226, t. 78. Ipomcea mutahilis, Ker, Bot. Reg. t. 39. Pharbitis acuminata, Choisy in DC. Prodr. ix. p. 312. Guatemala (Friederichsthal). — West Iijdies to Beazil. Hb. Kew. 2. Ipomcea affinis, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 263 ; Walp. Rep. vi. p. 535. South Mexico, Sola, south of Oaxaca, and in the valley of the Eio Grande de Mextitlan, 4500 to 5000 feet (Galeotti, 1377, 1385). Hb. Kew. 3. Ipomcea alatipes, Hook. Bot. Mag. t. 5330. Ipomcea pterodes , Seem. Bot. Voy. ' Herald/ p. 171, non Choisy. Panama (Seemann, 176). — Venezuela. Hb. Kew. 4. Ipomcea ampliata, Choisy in DC. Prodr. ix. p. 361. South Mexico, Campeachy. 5. Ipomcea apiculata, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 262 ; Walp. Eep. vi. p. 534. South Mexico, dunes of Vera Cruz (Galeotti, 1381). 6. Ipomcea arborescens, Don, Gen. Syst. iv. p. 267; DC. Prodr. ix. p. 358. Convolvulus arborescens, Willd. Enum. PI. i. p. 204 ; H. B. K. Nov. Gen. et Sp. iii. p. 94. South Mexico, between Acaguisotla and Chilpancingo, at 3000 ieet ^Humboldt & Bonpland). Probably a variety of I. murucoides. 7. Ipomcea aristulata, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 263; Walp. Eep. vi. p. 535. South Mexico, near Morelia, Michoacan, 5500 feet {Galeotti, 1383). 8. Ipomcea asarifolla, Ecem. et Schult. Syst. iv. p. 251 ; Meissn. in Fl. Bras, vii. p. 256 ; Griseb. Fl. Brit. W. Ind. p. 471. Ipomcea urbica, Choisy in DC. Prodr. ix. p. 349. Panama {Seemann). — West Indies to Bbazil and Pbeu; also Western Tropical Africa. Hb. Kew. 384 CONVOLVULACE^. 9. Ipomoea batatas, Lam. Diet. vi. p. 14 (excl. syn. Feuillej); Descourt. Fl. Ant. Yiii. p. 70, t. 645 ; Meissn. in Fl. Bras. vii. p. 282 ; Griseb. FL Brit. W. Ind. p. 468. Convolvulus esculenius, Salisb. Prodr. p. 123. Batatas edulis, Choisy in DC. Prodr. ix. p. 338. The sweet potato is almost universally cultivated in hot countries ; and it is also common in a wild state ; but the origin of it is uncertain. It is supposed, however, that the Tropical- American I. fastigiata may be .the parent. 10. Ipomcea bombycina, Benth. et Hook. Gen. Plant, ii. p, 873. Batatas bombycina, Choisy in DC. Prodr. ix. p. 340. Bombycospermwm mexicanum, Preslj Reliq. Hsenk. ii. t. 71. Mexico, on the western side [HcBnlce). This may be a young plant of /. carnosa. 11. Ipomoea bona-nOX, Linn. Sp. Pi. p. 228 ; Cav. Ic. PI. t. 300 ; Bot. Mag. t. 752 ; Meissn. in Fl. Bras. vii. p. 215 ; A. Gr. Synop. Fl. N. Am. ii. p. 209. Calonyction speciosum, Choisy in DC. Prodr. ix. p. 345, excl. yS, muricatum. Ipomcea petiolaris, Don, Gen. Syst. iv. p. 275. Floeida (indigenous]). — Mexico, at the foot of San Felipe (Andrieux, 213), Orizaba {Botteri, 559), valleys of Mexico and Cordova {Bourgeau, 1302, 1732) ; Panama, Isle of Taboga {Sinclair). — Widely diffused in the Teopics. Hb. Kew. 12. Ipomoea brachypoda, Benth. Bot. Voy. ' Sulphur,' p. 135. South Mexico, Acapulco {Sinclair), valley of Cordova {Bourgeau, 1737); Panama {Seemann, 488, 489 ; Sinclair). Hb. Kew. 13. Ipomoea bracteata, Cav. Ic. Pi. v. p. 51, t. 447. Ipomoea spicata, H. B. K. Nov. Gen. et Sp. iii. p. 112. Exogonium spicatum, Choisy in DC. Prodr. ix. p. 347. Exogonium bracteatum, Don, Gen. Syst. iv. p. 264. Exogonium olivce, Barcena, Viaje a la Caverna de Cacahuamilpa, p. 28, cum ic. color. South Mexico, Cuernavaca {BilimeJc, 88 ; Bourgeau, 1246), Mazatlan {Coulter, 1338), without localities {Sinclair, Beechey, and others). Hb. Kew. 14. Ipomcea brevipes, M05. et Sesse in DC. Prodr. ix. p. 349. Mexico {Mogino). 15. Ipomoea capillacea, Don, Gen. Syst. iv. p. 267. Ipomcea muricata, Cav. Ic. PI. v. p. 52, t. 478, non Jacq. Hort. Schcenb. iii. t. 323. Ipomcea armata, Rcem. et Schult, Syst. iv. p. 214. Leptocallis quinata, Don, Gen. Syst. iv. p. 260. Convolvulus capillaceus, H. B. K. Nov. Gen. et Sp. iii. p. 97. Quamoclit pedata, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 271 ; Walp. Rep. vi. p. 529?' Aeizona ; New Mexico. — Noeth Mexico, Sonora {Thurler), region of San Luis Potosi, 6000 to 7000 feet {Parry & Palmer, 626) ; South Mexico, Aguas Calientes {Hartweg), CONVOLVULACE^. 385 Cordillera of Vera Cruz, 3500 feet (Galeotti, 1353), plain of Oaxaca, at 5000 feet {Galeotti, 1368), Zimapan {Coulter, 1036), Vera Cruz to Orizaba {Miiller, 1605), Santa Fe {Bourgeau, 363), Tacubaya {Schaffner) ; Guatemala, Camino del Zapote {Bernoulli, 331). — Colombia; Venezuela. Hb. Kew. In this case we have not adopted the oldest specific name under the genus, because Ecemer and Schultes's name is quite inappropriate, and may be designated a nomen falsum. 16. IpomCBa carnosa, K. Br. Prodr. Fl. Nov. Holl. p. 485 ; Benth. Fl. Aust. iv. p. 420. Ipomma acetosafolia, Roem. et Schult. Syst. iv. p. 246 ; Descourt. Fl. Antill. ii. t. 145 ; Meissn. in Fl. Bras. vii. p. 255 ; A. Gr. Synop. Fl. N. Am. ii. p. 211. Batatas littoralis et acetoscBfolia, Choisy in DC. Prodr. ix. pp. 337 et 338, excl. synon. /. longifolia, Benth. Convolvulus stoloniferus, Cyr. PI. Bar. p. 14, t. 5. South Mexico, Vera Cruz to Orizaba {Muller, 185) ; Nicaragua, Greytown {Tate) ; Panama, Chagres {Fendler, 240).^ — Widely diffused on Teopical and Subtkopical Shores. Hb. Kew. 17. Ipomoea cathartica, Poir. Diet. Suppl. iv. p. 633; Meissn. in Fl. Bras. vii. p. 225 ; Griseb. Fl. Brit. W. Ind. p. 473 ; A. Gr. Synop. Fl. N. Am. ii. p. 210. Convolvulus pudibundus, Lindl. Bot. Reg. t. 999. Ipomoea pudibunda, Don, Gen. Syst. iv. p. 276. Florida (perhaps introduced). — Mexico (ex Grisehach). — Bahamas; Jamaica; St. Vincent; Brazil, 18. Ipomoea chenopodifolia, Hemsley. Calonyction chenopodifolium, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 269; Walp. Rep. vi. p. 531. South Mexico, oak-woods of Juquila, Oaxaca, at 7000 feet {Galeotti, 1375). 19. Ipomoea Cissoides, Griseb. Fl. Brit. W. Ind. p. 473 ; Meissn. in Fl. Bras. vii. p. 229. Batatas cissoides, Choisy in DC. Prodr. ix. p. 339. South Mexico, Tepic {Barclay). — West Indies to Brazil. Hb. Kew. 20. Ipomoea COCCinea, Linn.; Bot. Mag. t. 221 ; Andr. Bot. Kep. t. 499 ; A. Gr. Synop. Fl. N. Am. ii. p. 209. Ipomoea luteola, Jacq. le. PI. Rar. t. 35. Ipomoea dubia, Roem. et Schult. Syst. iv. p. 216. Quamoclit coccinea, Choisy in DO. Prodr. ix. p. 335. New Mexico; Arizona. — North Mexico, Sonora {Thurher) ; South Mexico, valley of Cordova {Bourgeau, 1727). — Tropical America, Asia, and Africa. Hb. Kew, BIOL, centr.-amee., Bot, Vol. II., February 1882. 3 d 386 CONVOLVULACELE. 21. Ipomcea COmmutata, Ecem. et Schult. Syst. iv. p. 228 ; A. Gr. Synop. Fl. N. Am. ii. p. 213. South Caeolina to Texas. — Noeth Mexico, Chihuahua {Potts). Hb. Kew. 22. Ipomcea COrralinensis, Choisy in DC. Prodr. ix. p. 361. Convolvulus sulphureus, Llav. et Lex. Ipomcea sulphurea, Tian, Gen. Syst. iv. p. 268^ non alior. South Mexico, San Jose del Corral {La Llave). 23. Ipomoea COStellata, Torr. Bot. U.S. & Mex. Bound. Surv. p. 149 ; A. Gr. Synop. Fl. N. Am. ii. p. 214. New Mexico ; Arizona. — Mexico (ex A. Gray). 24. Ipomcea dealbata, Hemsley. Pharbitis dealbata, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 272 ; Walp. Eep. vi. p. 530. South Mexico, Cordillera of Vera Cruz, 3500 feet {Oaleotti, 1352), region of Orizaba {Botteri, 556 ; JBourgeau, 2814), valley of Cordova {Bourgeau, 2212). Hb. Kew. 25. Ipomcea delphinifolia, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 265 ; Walp. Eep. vi. p. 535. South Mexico, Cordillera of Vera Cruz, 5000 feet {Galeotti, 1366), Zacoalco {Bour- geau, 726). Hb. Kew. 26. Ipomcea deppeana, Don, Gen. Syst. iv. p. 276 ; DC. Prodr. ix. p. 390. Mexico. 27. Ipomcea digitata, Linn. Sp. PI. p. 228 ; Meissn. in Fl. Bras. vii. p. 278 ; Griseb. Fl. Brit. W. Ind. p. 469. Ipomma mauritiana, Jacq. Hort. SchcEnb. t. 200. Ipomoea paniculata, E,. Br. j Bot. Reg. t. 62. Batatas paniculata, Choisy in DC. Prodr. ix. p. 339. Ipomcea insignis, Andr. Bot. Rep. t. 636 ; Bot. Reg. t. 75 ; Bot. Mag. t. 1790. Panama (ex Grisebach). — Generally dispersed in the Teopics, chiefly on the sea-shore. Hb. Kew. 28. Ipomoea dubia, Hemsley. Calonyction dubium, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 268 ; Walp. Rep. vi. p. 531. South Mexico, forests of Misteca Alta and Yavesia, Oaxaca, at 7000 feet {Galeotti, 1362). 29. Ipomoea elongata, Choisy in DC. Prodr. ix. p. 355. South Mexico, Oaxaca {Andrieux, 212).' Hb. Kew. 30. Ipomcea emetica, Choisy in DC. Prodr. ix. p. 376. Mexico {Mopino & Sesse). CONVOLVULACE^. 387 31. Ipomoea fastigiata, Sweet,- Griseb. Fl. Brit. W. Ind. p. 468; Meissn. in Fl. Bras. vii. p. 267. Mexico (ex Orisebach). — West Indies to Brazil. 32. Ipomcea fistulosa, Mart.; DC. Prodr. ix. p. 349; Meissn. in Fl. Bras. vii. p. 239, t. 81. Guatemala (Friedrichsthal) ; Panama, near Anton {Seemann, 177). — Southward to Peru and Brazil. Hb. Kew. 33. Ipomcea funis, Cham, et Schl. in Linnsea, v. p. 118. South Mexico, near Jalapa and San Andres (Schiede <& Deppe). Choisy (DC. Prodr. ix. p. 336} doubtfully refers this to Quamoclit vitifolia (Ipomoea peduncularis) ; but the authors contrast its flowers with those of /. coccinea, a very different species. It may be the same as /. llaveana. 34. Ipomoea glabra, Choisy in DC. Prodr. ix. p. 362 ; Meissn. in Fl. Bras. vii. p. 287, t. 104. Nicaragua, Chontales {Tate). — Venezuela to Peru, and Trinidad and Guiana to Brazil. Hb. Kew. [Pharhitis grandiflora, Beurling in Kong. Vet. Haudl. 1854, p. 139, from Portobello, Panama, is probably a species of Ipomoea.] 35. Ipomcea hartwegi, Benth. Pi. Hartw. p. 15. North Mexico, Zacatecas [Coulter, 1022) ; South Mexico, Aguas Calientes [Hartweg). Hb. Kew. 36. Ipomcea hederacea, Jacq. Ic. Pi. Ear. t. 36 ; Bot. Eeg. t. 85 ; Meissn. in Fl. Bras. vii. p. 228, sed non Convolvulus hederaceus, Linn. Sp. PL ed. 2, p. 219, saltern quoad figg. Hort. Elth.; A. Gr. Synop. Fl. N. Am. ii. p. 210. Pennsylvania to Florida and Louisiana. — Mexico; Central America. — Tropical America and the West Indies ; and now widely dispersed in other countries. Hb. Kew. This is generally united with /. nil, which Dr. Gray regards as a distinct Old- World species. 37. Ipomoea hederifolia, Linn. Sp. PL p. 229; Meissn. in Fl. Bras. vii. p. 218, t. 76. fig. 1. Quamoclit russellimflora, Mart, et Gal. ia Bull. Acad. Brux. xii. 2, p. .271 ; Walp. Eep. vi. p. 529 ? Ipomcea coccinea, Linn., var. hederifolia, A. Gr. Synop. Fl. N. Am. ii. p. 209. Ipomcea sanguinea, Vahl ; Bot. Reg. t. 9 ; Bot. Mag. t. 1769. Ipomcea hastigera, H. B. K. Nov. Gen. et Sp. iii. p. 111. Quamoclit hastigera, Don, Gen. Syst. iv. p. 259. Quamoclit hederifolia, Choisy in DC. Prodr. ix. p. 336, excl. syn. Ipomcea peduncularis, BertoL Ipomoea humboldtiana, Roem. et Schult. Syst. iv. p. 789. Texas to Arizona. — North Mexico, region of San Luis Potosi [Parry & Palmer, 2,d2 388 CONVOLVIJLACE^. 625) ; South Mexico, Mirador {Idnden, 303 ; Galeotti, 1354), Oaxaca {Ghiesbreght) ; Guatemala (Friedrichsthal) ; Panama {Seemann, 486). — And nearly all over Tropical Ameeica. Hb. Kew. 38. Ipomoea heterophylla, Ort. Dec. p. 9 ; Jacq. Fragm. t. 42. fig. 4. Pharbitis heterophylla, Choisy in DC. Prodr. ix. p. 344. Batatas heterophylla et mlldenowii, Don, Gen. Syst. iv. p. 261. ' Ipomoea willdenowii, Roem. et Schult, Syst. iv. p. 211. Mexico {Coulter, 1041). Hb. Kew. 39. Ipomoea hirta, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 264 ; Walp. Eep. vi. p. 534. South Mexico, Sola, south of Oaxaca, at 5000 feet {Galeotti, 1374), Orizaba {Botteri, 560), Pedregal {Bourgeau, 795). Hb. Kew. 40. Ipomoea hirtiflora, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 267; Walp. Rep. vi. p. 533. South Mexico, Chinantia, 2000 feet {Galeotti, 1398). 41. Ipomoea jalapa, Pursh, Fl. Am. Sept. i. p. 146; Bot. Eeg. tt. 342 et 621; A. Gr. Synop. Fl. N. Am. ii. p. 211. Ipomoea purshii, Don, Gen. Syst., ex A. Gr. Convolvulus jalapa, Linn.; Bot. Mag. t. 1572. Batatas jalapa, Choisy in DC. Prodr. ix. p. 338. South Carolina to Florida. — Mexico, Zimapan {Coulter), Cordova {FincJc). — West Indies. Hb. Kew. 42. Ipomoea jamaicensis, Don, Gen. Syst. iv. p. 278 ; DC. Prodr. ix. p. 384 ; Griseb. Fl. Brit. W. Ind. p. 473 ; Meissn. in Fl. Bras. vii. p. 225. Pharbitis tomentosa, Choisy in DC. Prodr. ix. p. 342. Mexico (ex Meissner) ; Panama (ex Grisebach). — Jamaica ; Brazil. 43. Ipomoea karwinskiana, Eegel, Ind. Sem. Hort. Petrop. 1857, p. 46. Mexico {Karwinski). 44. Ipomoea latifolia, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 266 ; Walp. Eep. vi. p. 5.34. South Mexico, near Cordova, at 2000 feet {Galeotti, 1401). 45. Ipomoea learii, Paxt. Mag. Bot. vi. p. 267, cum ic. col. ; Meissn. in Fl. Bras, vii. p. 224. Pharbitis leant, Lindl. Bot. Reg. 1841, t. 56 ; Bot. Mag. t. 3928. Mexico (ex Meissner). — Brazil. Hb. Kew. 46. Ipomoea leptotoma, Torr. Bot. U.S. & Mex. Bound. Surv. p. 150; A. Gr. Synop. Fl. N. Am. ii. p. 214. Arizona. — North Mexico, Sonora {Thurher). CONVOLVTJLACE^. 389 47. Ipomcea? (Pharbitis) lilacina, Schi. in Linn^a, xx. p. si. Mexico {JEhrenherg). 48. Ipomcea? (Pharbitis) lindenii, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 272; Walp. Eep. vi. p. 530. South Mexico, Tabasco 1 {Linden, 296). Hb. Kew. 49. Ipomcea lindenii, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 264 ; Walp. Kep. vi. p. 535. South Mexico, Cordillera of Vera Cruz, 3500 feet {Galeotti, 1360), Mirador {Linden, 301). Hb. Kew. 50. Ipomcea lindheimeri, A. Gr. Synop. Fl. N. Am. ii. p. 210. Ipomcsa heterophylla, Torr. Bot. U.S. & Mex. Bound. Surv. p. 149, non Orteg. Texas; New Mexico. — North Mexico, Soledad, twenty-five miles south-west of Monclova {Palmer, 906). Hb. Kew. 51. Ipomcea llaveana, Meissn. in Fl. Bras. vii. p. 219. Marenoa grandiflora, Llav. et Lex. Nov. Gen. i. p. 17. Quamoclit grandiflora, Don, Gen. Syst. iv. p. 259. Calboa globosa, Lindl. in Journ. Hort. Soc. v. p. 83, cum ic. xylogr., nee Morenoa globosa, Llav. et Lex. South Mexico, Cordillera of Oaxaca, at 2500 feet {Galeotti, 1358), region of Orizaba {Bourgeau, 2985), without locality {Parkinson). Hb. Kew. Lindley confused this with J. peduncularis ; and Meissner was unable to distinguish it from that species ; but it is perfectly distinct. See observations under /. peduncularis. 52. Ipomcea longepedunculata, Hemsley. Pharbitis longepedunculata, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 271. South Mexico, near Ixmiquilpan, 6000 to 7000 feet {Galeotti, 1387). 53. Ipomcea longicuspis, Meissn. in Fl. Bras. vii. p. 227. Pharbitis speciosa, Choisy in DC. Prodr. ix. p. 343. Pharbitis cuspidata, Don, Gen. Syst. iv. p. 263. Mexico (ex Choisy). — West Indies to Pbeu and Brazil. 54. Ipomcea longifolia, Benth. Pi. Hartw. p. 16 ; A. Gr. Synop. Fl. N. Am. ii. p. 211 ; Bot. Eeg. 1840, t. 21. Ipomcea shumardi, Torr. in Marcy's Rep. p. 191. Arizona. — North Mexico, Zacatecas {Coulter, 1021), Sonora {Thurber); South Mexico, Aguas Calientes {Hartweg). Hb. Kew. 55. Ipomcea (§ Quamoclit) lutea, Hemsley, Diag. Pi. Nov. pars altera, p. 34. (Tab. LX.) Glabra^ foliis longissime petiolatis late cordatis acuminatis apiculatis margine undulatis remote et 390 CONYOLVULACE^. obscure denticulatis, pedunculis quam folia longioribus 3-9-floris, sepalis late rotundatis emarginatis dorso longe cornutis^ corolla lutea curvata tubo fauce constricto, limbo angusto. Herba volubilis^ glabra (beterophylla ?), ramis gracilibus. Folia glabra vel interdum leviter puberula, longe petiolata, late cordata^ acuminata^ apiculata^ margine undulata, remote at obsolete denti- culata, circiter 3 poll, diametro ; petiolus circiter 6 poll, longus. Pedunculi 3-9-flori, f oliis longiores. Flores lutei, pedicellati^ pedicellis nudis ; sepala late rotuadata^ emarginataj dorso longe cornuta ; corolla leviter curvata, 1^-2 poll, longa, fauce tubi leviter constricta ; limbus angustus, 5-dentatus, recurvus; stamina stylusque longe exserta. Capsula matura a nobis non visa. Guatemala, without locality {Salvin & Godman). Hb. Kew. Allied to I. hederifolia, but differing in its yellow flowers, undivided leaves, &c. EXPLANATION OP TAB. LX. Fig. \, a flower laid open ; 2, a sepal : enlarged. 56. Ipomoea maireti, Choisy in DC. Prodr. ix. p. 374. South Mexico, Mirador [Linden, 1115), Sierra San Pedro Nolasco {Jurgensen, 551). Hb. Kew. 57. Ipomoea martinicensis, Mey. Prim. Fl. Esseq. p. 98 ; Griseb. Fl. Brit. W. Ind. p. 471. Aniseia martinicensis, Choisy in DC. Prodr. ix. p. 430. Convolvulus martinicensis, Jacq. Amer. t. 17. Guatemala (Friedrichsthal) ; Panama, Chagres (Fendler, 237). — West Iitoies and Guiana to Brazil. Hb. Kew. 58. Ipomoea mestitlanica, Choisy in DC. Prodr. ix. p. 389. Ipomcea batatoides, Benth. PI. Hartw. p. 46 ; Bot. Reg. 1841, t. 36, non Choisy. South Mexico, Mestitlan {Hartweg). Hb. Kew. 59. Ipomoea mexicana, A. Gr. Synop. Fl. N. Am. ii. p. 210. Convolvulus hederaceus, Linn. Sp. PI. p. 219, pro parte. Ipomoea nil, var. diversifolia, Choisy in DC. Prodr. ix. p. 343. Pharbitis diversifolia, Lindl. Bot. Reg. 1. 1988. New Mexico ; Arizona. — North Mexico (ex A. Gray). 60. Ipomoea microsepala, Benth. Bot. Voy. ' Sulphur,' p. 136. South Mexico, Vera Cruz (Eahn), Acapulco (Sinclair). Hb. Kew. 61. Ipomoea morelii, Duchass. et Walp. in Linnsea, xxiii. p. 752 ; Walp. Ann. iii. p. 109. Panama. 62. Ipomoea murucoides, Ecem. et Schult. Syst. iv. p. 246 ; DC. Prodr. ix. p. 358. (Tab. LXI.) Convolvulus macranthus, H. B. K. Nov. Gen. et Sp. iii. p. 95. Ipomoea macrantha, Don, Gen. Syst. iv. p. 267. North Mexico, Sierra Madre (Seemann, 2088), Zacatecas (Coulter, 1023); South CONVOLVULACE^, 391 Mexico, Guadalupe {Bilimek, 273; Bourgeau, 53), Sierra San Pedro Nolasco &c. [Jurgensen, 291); Guatemala, Volcan de Fuego, at 5000 feet (Godman & Salvin). Hb. Kew. EXPLANATION OP TAB. LXI. Fig. 1, a pistil^ enlarged; 2, a leaf, natural size, from Seemann^s Sierra-Madre specimen. 63. Ipomcea? nutans, Choisy in DC. Prodr. ix. p. 368; Caiques des Dess. El. Mex. 860. Mexico (Mogino & SessS). 64. IpomOBa? (Argyreia?) Oblonga, Benth. Bot. Voy. 'Sulphur,' p. 133. South Mexico, Tepic (Sinclair). Hb. Kew. 65. Ipomcea pandurata, Mey. Prim. Fl. Esseq. p. 100, quoad nomen tantum ; Ker, Bot. Eeg. t. 588 ; A. Gr. Synop. Fl. N. Am. ii. p. 211. Convolvulus panduratus, Linn. ; Bot. Mag. 1. 1939. Convolvulus candicans, Solander in Bot. Mag. 1. 1603. Canada to Florida and Texas. — Mexico ■? There are several Mexican specimens in the Kew herbarium referred to this species, though perhaps erroneously. 66. Ipomcea pauciflora, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 266; Walp. Eep. vi. p. 532. South Mexico, Chapulco and neighbourhood of Oaxaca, at 5000 feet (Galeotti, 1403). Hb. Kew. 67. Ipomcea pedatisecta, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 265 ; Walp. Eep. vi. p. 535. South Mexico, coast of the Pacific [Galeotti, 1370). Hb. Kew. 68. Ipomcea pedicellaris, Benth. Bot. Voy. ' Sulphur,' p. 135. South Mexico, Acapulco {Sinclair); Guatemala (Friedrichsthal) ; Honduras, Gulf of Fonseca (Sinclair). Hb. Kew. 69. Ipomcea peduncnlaris, Bertol. Fl. Guat. p. 8, t. 2. Ipomcea globosa, Meissn. in Fl. Bras. vii. p. 319. Morenoa globosa, Llav. et Lex. Nov. Gen. i. p. 5, non Lindl. in Journ. Hort. Soc. v. p. 83, cum icone. Calboa vitifolia, Cav. Ic. PI. t. 476. Macrostema vitifolia, Pers. Ench. i. p. 185. Convolvulus neei, Spreng. Syst. i. p. 593. QuamocUt globosa et vitifolia, Don, Gen. Syst. iv. p. 259. Ipomcea hartwegi, Meissn. in Fl. Bras. vii. p. 220, non Benth. South Mexico, San Bias to Tepic (Coulter, 1040), Teapa (Linden, 208), without locality (Hahn) ; Guatemala, Barranca, near the Pacific (Hartweg), Duefias, 5000 feet 392 CONVOLVULACEiE, (Godman & Salvin), without locality {Skinner); Panama, Boquete, Veraguas [Seemann, 1164). Hb. Kew. Meissner (Fl. Bras. vii. p. 219) was not at all clear as to the limits of this species and I. llaveana, and suggested that they might be the same, besides making a third (J. hartwegii) of the true /. peduncularis. He was perhaps misled by Lindley's figure in Joum. Hort. Soc. v. p. 83, which represents /. llaveana. At all events the two species are very distinct. /. peduncularis has smaller flowers than the other, the tube of the corolla being relatively short and straight, and the lobes of the limbs of the corolla relatively long and narrow. The stamens, too, are much more exserted than those of I. llaveana. 70. Ipomcea pentaphylla, Jacq. Collect, ii. p. 297, et Ic. PI. Ear. ii. t. 319 ; Griseb. Fl. Brit. W. Ind. p. 467. Batatas pentaphylla, Choisy in DC. Prodr. ix. p. 339. Generally dispersed in the Tkopics. Hb. Kew. 71. Ipomcea perryana, Duchass. et Walp. in Linnsea, xxiii. p. 751 ; Walp. Ann. iii. p. 107. Panama. 72. Ipomcea pes-Caprae, Sweet, Hort. Suburb. Londin. (1818) p. 35 ; Eoth, Nov. PI. Sp. (1821) p. 100; Choisy in DC. Prodr. ix. p. 349, excl. syn. I. carnosa, E. Br.; A. Gr. Synop. Fl. N. Am. ii. p. 211. Convolvulus pes-caprae, Linn. Sp. PI. p. 226. Ipomcea maritima, R. Br. Prodr. Fl. Nov. Holl. p. 486 ; Bot. Reg. t. 319. Ipomcea biloba, Forsk. Fl. ^gypt. p. 44. Generally dispersed on the sea-shores of the Teopics. Hb. Kew. 73. Ipomcea portobellensis, Beurling in Kong. Vet. Handl. 1854, p. 139. Panama, Portobello {Billberg). 1L Ipomcea? (Calonyction proximum, Mart, et Gall, in Bull. Acad. Brux. xii. 2, p. 268 ; Walp. Eep. vi. p. 531). South Mexico, Yavezia, Oaxaca (Galeotti, 1378). 75. Ipomcea pterodes, Choisy in DC. Prodr. ix. p. 361 ; Griseb. Fl. Brit. W. Ind. p. 467. Panama (ex Grisehach). — Venezuela ; Guiana ; Trinidad. 76. Ipomcea pubescens, Lam. ill. n. 2123; Meissn. in Fl. Bras. vii. p. 224. Pharbitis pubescens, Choisy in DC. Prodr. ix. p. 344. Mexico (EarwinsM). — Peru; Brazil's 77. Ipomcea puncticulata, Benth. Bot. Voy. ' Sulphur,' p. 136. Mexico (Sinclair). CONVOLVULACE^. 393 78. Ipomcea purga, Hayne, Arzn. Gew. xii. tt. 33 et 34 ; DC. Prodr. ix. p. 374 ; Meissn. in Fl. Bras. vii. p. 221. Ipomcea schiedeana, Zucc. in Flora, 1831, p. 801, non Ham. Exogonium purga, Benth. PI. Hartw. p. 46; Bot. Reg. 1847, t.49j Bentl. & Trim. Med. Bot. 1. 186. Exogonium dumosum, Benth. loo. cit. Convolvulus purga, Wenderoth in Pharm. Centralb. i. p. 457. Ipomoea jalapa, Schiede et Deppe in Don, Gen. Syst. iv. p. 271, non Pursh. South Mexico, Orizaba {Botteri, 561), Cordillera of Vera Cruz (Galeotti, 1355), valley of Cordova {Bourgeau, 1730), San Comelio and Zacualtipan {Hartweg). Hb. Kew. 79. Ipomcea purpurea, Lam. ill. n. 2129 ; Meissn. in Fl. Bras. vii. p. 223 ; A. Gr. Synop. Fl. N. Am. ii. p. 210. Convolvulus purpureus, Linn.; Bot. Mag. tt. 113, 1005, 1682. Pharbitis hispida, Choisy in DC. Prodr. ix. p. 341. Texas to California. — Mexico, Zaqoalco (Bourgeau, 727), Oaxaca (Galeotti, 1377), Orizaba (Botteri, 565), Guadalupe (Bourgeau, 794). — Colombia; Venezuela; West Indies ; and naturalized in many other countries. Hb. Kew. 80. Ipomcea quamoclit, Linn. Sp. Pi. p. 227 ; Bot. Mag. t. 244 ; Meissn. in Fl. Bras. vii. p. 217; A. Gr. Synop. Fl. N. Am. ii. p. 209. Quamoclit vulgaris, Choisy in DC. Prodr. ix. p. 336. Generally dispersed in tropical and subtropical regions, including Mexico and Central America. Hb. Kew. 81. Ipomcea quinquefolia, Griseb. Fl. Brit. W. Ind. p. 468 ; Meissn. in Fl. Bras. vii. p. 289. Batatas guinquefolia, Choisy in DC. Prodr. ix. p. 339. Convolvulus ampelopsifolius, Cham, et Schl. in Linnsea, v. p. 118? Guatemala, San Antonio (Hartweg) ; Nicaragua, Kealejo (Sinclair) ; Panama (Seemann). — Southward to Peru and Bolivia, and in the West Indies. Hb. Kew. 82. Ipomcea rubro-caerulea, Hook. Bot. Mag. t. 3297 ; DC. Prodr. ix. p. 375. Ipomcea hookeri, Don, Gen. Syst. iv. p. 274. South Mexico, Guanajuato (Bichardson), Cuernavaca (Bourgeau, 1405). Hb. Kew. 83. Ipomcea schiedeana, Ham., ex Lindl. Bot. Eeg. 1838, Misc. p. 19; DC. Prodr. ix. p. 375, non Zucc. Mexico, introduced into European gardens (Schiede). 84. Ipomcea serotina, Ecem. et Schult. Syst. iv. p. 215. Quamoclit serotina, Don, Gen. Syst. iv. p. 259. Convolvulus serotinus, DC. Hort. Monsp. p. 97. Pharbitis ? serotina, Choisy in DC. Prodr. ix. p. 341. Mexico (Alaman, Berlandier). 85. Ipomcea serpyllifolia, Don, Gen. Syst. iv. p. 267 ; DC. Prodr. ix. p. 351. Convolvulus serpyllifolius, H. B. K. Nov. Gen. et Sp. iii. p. 95. South Mexico, near Moran and Kegla, at 7500 feet (Humboldt & Bonpland). BIOL, cente.-ambr., Bot. Vol. IL, February 1882. 3 e 394 CONVOLVULACEiE. 86. Ipomcea setifera, Poir. Enc. vi. p. 17 ,• DC. Prodr. ix. p. 359. Calystegia setifera, Meissn. in M. Bras. vii. p. 316. Gx]kTEM.kiik{Friedrichsthal); Nicaragua, Greytown (Ta^^) ; Panama, Chagres (i^entZ^ey, 243). — West Iu-dies ; Guiana to North Beazil. Hb. Kew. 87. Ipomcea sidaefolia, Choisy in DC. Prodr. ix. p. 372 ; Meissn. in Fl. Bras. vii. p. 267 ; Griseb. Fl. Brit. W. Ind. p. 468. South Mexico, valley of Cordova {Bourgeau, 1734), region of Orizaba {Botteri, 557), Sierra San Pedro Nolasco Sec. [Jurgensen, 612); Panama (Seemann). — West Indies and north part of South America. Hb. Kew. 88. Ipomcea Simulans, Hanbury in Journ. Linn. Soc. xi. p. 281, t. 2. South Mexico, Sierra Gorda, Guanajuato {Finch), near Oaxaca, at 8000 feet {Galeotti, 1369). Hb. Kew. 89. Ipomcea Sinuata, Ort. vii. p. 84 ; DC. Prodr. ix. p. 362 ; A. Gr. Synop. Fl. N. Am. ii. p. 212. Convolvulus dissectus, Linn. ; Jacq. Obs. iv. t. 28, et Hort. Vindob. 1. 159. Georgia to Texas. — North Mexico, Monterey {Eaton & Edwards, 55 ; Berlandier) ; South Mexico, Gonacatepec {Andrieux, 215); Guatemala {Friedrichsthal). — West Indies ; Guiana ; Brazil. Hb. Kew. 90. Ipomcea Stans, Cav. Ic. Pi. iii. p. 26, t. 250 ; DC. Prodr. ix. p. 355. Convolvulus stans, H. B. K. Nov. Gen. et Sp. iii. p. 96. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 627) ; South Mexico, Lagos {Hartweg), near Guadalupe {Bourgeau, 496), Zimapan {Coulter, 1038), Oaxaca {Ghiesbreght). Hb. Kew. 91. Ipomcea Stipulacea, Jacq. Hort. Schcenb. ii. p. 39, t. 129; Meissn. in Fl, Bras. vii. p. 288. 'Mexico {Schiede) . — Tropical South America ; Polynesia; India. 92. Ipomcea suaveolens, Hemsley. Convolvulus suaveolens. Mart, et Gal. in Bull. Acad. Brux. xii. 3, p. 261 j -Walp. Rep. vi. p. 541. South Mexico, Oaxaca, 4500 feet {Galeotti, 1376). Hb. Kew. 93. Ipomcea Suffulta, Don, Gen. Syst. iv. p. 276 ; DC. Prodr. ix. p. 378. Convolvulus suffultus, H. B. K. Nov. Gen. et Sp. iii. p. 102, t. 211. South Mexico, Volcan de Jorullo {Humboldt & Bonpland). 94. Ipomcea SUperba, Don, Gen. Syst. iv. p. 275 ; DC. Prodr. ix. p. 372. Convolvulus superbus, H. B. K. Nov. Gen. et Sp. iii. p. 103. South Mexico, Volcan de Jorullo {Humboldt & Bonpland). 95. Ipomcea ternifolia, Cav. Ic. Pi. v. p. 52, t. 478. fig. l ; DC. Prodr. ix. p. 353. Leptocallis ternata, Don, Gen. Syst. iv. p. 260. South Mexico, Acapulco. CONVOLVULACE^. 395 96. Ipomoea thurberi, A. Gr. Synop. FL N. Am. ii. p. 212. Arizona.— NoETH Mexico, Santa Cruz, Sonora [Thurler). 97. Ipomcea trifida, Don, Gen. Syst. iv. p. 280 ; DC. Prodr. ix. p. 383. Convolvulus trifidus, H. B. K. Nov. Gen. et Sp. iii. p. 107. NicAEAGUA, Eealejo {Sinclair). — Peru. Hb. Kew. 98. Ipomoea triloba, Linn. Sp. FI. p. 22.9 ; DC. Prodr. ix. p. 383 ; A. Gr. Synop. Fl. N. Am. ii. p. 213 ; Meissn. in Fl. Bras. vii. p. 277. Ipomma eustachiana, Jacq. Obs. t. 36. Quamodit triloba, Don, Gen. Syst. iv. p. 259. Florida, " perhaps introduced," A. Gray.— Sovm Mexico, Acapulco {Sinclair), near Vera Cruz {Schiede). Hb. Kew. 99. Ipomoea tuberosa, Linn. Sp. PL p. 227; Griseb. Fl. Brit. W. Ind. p. 467. Operculina tuberosa, Meissn. in Fl. Bras. vii. p. 213. South Mexico, Sierra San Pedro Nolasco {Jurgensen, 862) ; Panama, Chagres {Fendler, 245). — West Indies ; Tropical South America ; Tropical Asia and Africa. Hb. Kew. 100. Ipomoea? (Quamoclit tubulosa, Mart, at Gal. in Bull. Acad. Brux. xii. 2, p. 270 ; Walp. Eep. vi. p. 529). South Mexico, Uruapan, Michoacan, at 4000 feet {Galeotti, 1393). 101. Ipomoea tyrianthina, Lindl. Bot. Keg. 1838, Misc. n. 162 ; DC. Prodr. ix. p. 375. Pharbitis tyrianthina. Hook. Bot. Mag. t. 4024. Mexico, cultivated in European gardens. Hb. Kew. 102. Ipomoea umbellata, Mey. Prim. Fl. Esseq. p. 99, non Linn. ; Meissn. in Fl. Bras. vii. p. 263. Convolvulus densiflorus, Hook, et Am. Bot. Beech. Voy. p. 303. South Mexico, Vera Cruz to Orizaba {MUller), San Bias to Tepic {Coulter, 1026) ; Guatemala {Friedrichsthal) ; Nicaragua, Eealejo {Sinclair) ; Panama, Chagres {Fendler, 241). — Common in tropical South America and the West Indies. Hb. Kew. 103. Ipomoea variabilis, Choisy in DC. Prodr. ix. p. 383. Convolvulus variabilis, Cham, et Schl. in Linnsea, v. p. 116. South Mexico, Hacienda de la Laguna {Schiede & Beppe), Cordillera of Vera Cruz, 3500 feet {Galeotti, 1351). Hb. Kew. 104. Ipomoea ? (Calonyction venustmn, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 269 ; Walp. Eep. vi. p. 531). South Mexico, Tabasco 1 {Linden, 206). 105. Ipomoea versicolor, Meissn. in Fl. Bras. vii. p. 220. Mina lobata, Llav. et Lex. Nov. Veg. i. p. 3 ; Bot. Reg. 1842, t. 24. Quamodit mina, Don, Gen. Syst. iv. p. 259. ^^ 3e2 396 CONVOLVULACE^. South Mexico, Orizaba, cultivated {Botteri, 954), without locality (ParMnson). Hb. Kew. 106. Ipomcea? (Batatas wallii, Morren in Ann. Bot. de Gand, ii. p. 285, cum ic. ; Walp. Eep. vi. p. 530). Guatemala. 107. Ipomcea wrightii, A. Gr. Synop. Fl. N. Am. ii. p. 213. Texas. — Noeth Mexico ?, Yaqui Eiver (Palmer). [^Calystegia soldanella, E, Br., and C. senium, E. Br., are two very widely dispersed members of this order that may be expected to occur in Mexico.] 3. JACQUEMONTIA. Jacquemontia, Choisy, Conv. Or. p. 94^ et in DC. Prodr. ix. p. 396. About thirty-six herbaceous and half-shrubby species, one common in Tropical Africa, and the rest restricted to Tropical and Subtropical America. 1. Jacquemontia hirsuta, Choisy, Conv. Ear. p. 141, et in DC. Prodr. ix. p. 397 ; Meissn. in Fl. Bras. vii. p. 298. Jacquemontia azurea, Choisy, Conv. Ear. p. 140, et in DC. Prodr. ix. p. 397. Convolvulus apocynoides, Schl. et Cham, in Linnsea, v. p. 117. Convolvulus sphcerostigma, Cav. Ic. PL v. p. 54, t. 481. South Mexico, Hacienda de la Laguna {Schiede & Peppe), Mirador [Linden, 1117) ; Paitama, Empire station {S. Hayes, 433), near the city of Panama {Seemann, 487). — To Peru, Guiana, and Bkazil. Hb. Kew. 2. Jacquemontia lactescens, Seem. Bot. Voy. ' Herald,' p. 171. Panama, near the city of Panama [Seemann, 490), Empire station [S. Hayes, 512), without locality [Cuming, 1158). Hb. Kew. 3. Jacquemontia nummularia, Choisy, Conv. Ear. p. 139, et in DC. Prodr. ix. p. 397. Central America [Barclay). — Peru. Hb. Kew. 4. Jacquemontia parviflora, Choisy, Conv. Ear. p. 143, et in DC. Prodr. ix. p. 398 ; Meissn. in Fl. Bras. vii. p. 297. ■y. oaxacana, Meissn. loc. cit. Convolvulus cteruleus, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 259 ; Walp. Rep. vi. p. 540. South Mexico, fields near Zacuapan and Mirador [GaleoUi, 1359). This species also occurs in Ecuador and Brazil under different forms. 5. Jacquemontia pycnocephala, Benth. Bot. Voy. 'Sulphur,' p. 137; Walp. Eep. vi. p. 536. South Mexico, Acapulco [Sinclair). Hb. Kew. COFVOLVULACRa:. 397 6. Jacquemontia violacea, Choisy, Conv. Ear. p. 139, et in DC. Prodr. ix. p. 397 ; Meissn, in Fl. Bras. vii. p. 296 (varietates). Convolvulus polyanthus, Cham, et Schl. in Linnsea, v. p. 117. Convolvulus pentanthos, Jac. Ic. Rar. ii. t. 316 j Bot. Mag. t. 2151; Bot. Reg. t. 439. Floeida.— South Mexico, Cordillera of Vera Cruz, 3500 feet {Oaleotti, 1350); Guatemala {Friedrichsthal). — Southward to Peru and Brazil, and in the West Indies. Hb. Kew. 4. CONVOLVULUS. Convolvulus, Linn. Gen. Plant, n. 315 ; Benth. et Hook. Gen. Plant, ii. p. 874. Herbs or shrubs. Nearly 150 species, generally dispersed in temperate and sub- tropical regions, rarer within the tropics. [C. arvensis, Linn., a European species, is naturalized in various countries, including Mexico.] 1. Convolvulus attemiatus, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 261 ; Walp. Eep. -vi. p. 541. South Mexico, ravines of Talea, north-east of Oaxaca, at 3500 feet (Galeotti, 1399). 2. Convolvulus Cladotrichus, Mart, in Linnsea, xxiv. p. 173 ; Walp. Eep. vi. p. 744. Mexico, Miquiquana {Karwinksi). 3. Convolvulus incanus, Vahl, Symb. iii. p. 23 ; Meissn. in Fl. Bras. vii. p. 311 ; A. Gr. Synop. Fl. N. Am. ii. p. 216. Convolvulus bonariensis et C. dissectus, Cav. Ic. PI. v. t. 480. Convolvulus equitans, Benth. PI. Hartw. p. 16. Convolvulus glaucifolius, Choisy in DC. ix. p. 413, non Spreng., ex A. Gr. Arkansas and Colorado to Texas and Arizona. — North Mexico, Monterey {Eaton & Edwards), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 629); South Mexico, valley of Mexico {Pourgeau, 133), Leon (Harfweg). — ^And in extra- tropical South America, according to A. Gray. Hb. Kew. 4. Convolvulus lapathifolius, Schl. in Linnsea, xix. p. 736. Mexico {Leibold). 5. Convolvulus luteus, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 260 ; Walp. Eep. vi. p. 540. South Mexico, dunes of Vera Cruz {Oaleotti, 1379). 6. Convolvulus micranthus, Ecem. et Schult. Syst. iv. p. 276 ; DC. Prodr. ix. p. 414. Convolvulus poly carpus, H. B. K. Nov. Gen. et Sp. iii. p. 98. Mexico, near Eegla and Omitlan, at 6600 feet {Humboldt & Ponpland).—W^s,T Indies; Brazil"? 398 CONYOLVULACE^. 7. Convolvulus molUssimuS, Bertol. Misc. Bot. fasc. xx. p, 11, t. 3. Guatemala, Volcan de Agua (Velasquez). 8. Convolvulus minutiflorus, Mart, et Gal. {munitiflorus) in Bull. Acad. Brux. xii. 2, p. 262 ; Walp. Eep. vi. p. 541. South Mexico, Sola, at 5000 feet [Galeotti, 1372). 9. Convolvulus nodiflorus, Desr. Enc. iii. p. 557; DC. Prodr. ix. p. 4U; Meissn. in Fl. Bras. vii. p. 310. Mmxicq [KarwinsJci); Guatemala (Friedrichsthal, Skinner). — Venezuela; Ecuadoe. Hb. Kew. (3. deglabratus, Choisy in DC. Prodr. ix. p. 414. Mexico, Tampico [Berlandier). Hb. Kew. 10. Convolvulus palustris, Cav. Ic. PL vi. p. 80, t. 600. fig. 2 ; DC. Prodr. ix. p. 404. South Mexico, near Acapulco. 11. Convolvulus ? tenuifoHus, Mart, et Gall, in Bull. Acad. Brux. xii. 2, p. 260 ; Walp. Kep. vi. p. 540. South Mexico, Sola, soutb of Oaxaca, 5000 feet {Galeotti, 1373). 5. EVOLVULUS. Evolvulus, Linn. Gen. Plant, n. 385 ; Benth. et Hook. Gen. Plant, ii. p. 875. Herbs or shrubs. About seventy species, generally dispersed in warm regions, some of the species having a very wide range. 1. Evolvulus acapulcensis, Willd.; Kcem. et Schult. Syst. vi. p. 199; DC. Prodr. ix. p. 449. South Mexico, around Acapulco {Humboldt). 2. Evolvulus albiflorUS, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 259 ; Walp. Eep. vi. p. 543. South Mexico, valley of Mextitlan, north of the city of Mexico, and in the neigh- bourhood of Zimapan, 4000 to 5000 feet {Galeotti, 1386, 1388). 3. Evolvulus alsinoides, Linn. Sp. PL p. 392; DC. Prodr. ix. p. 447; A. Gr. Synop. Fl. N. Am. ii. p. 218. Evolvulus linifolius, Linn. Sp. PI. loc. cit. ; DC. Prodr. ix. p. 449. Evolvulus linoides, Moric. PI. Nouv. d'Am. t. 83. Evolvulus microphyllus et E. pilosissimus, Mart, et Gal. in Bull. Acad. Brux. xii. 2, p. 257; "Walp. Rep. vi. p. 542. Common in nearly all teopical and subtropical regions. Most authors distinguish linifolius ixom alsinoides ; but we cannot draw the line between them, as the forms are innumerable. CONVOLVULACE^, 399 4. Evolvulus argenteus, Pursh, Fl. Am. Sept. i. p. 187, non R. Br. ; A. Gr. Synop.Fl. N. Am. ii. p. 219. Nebraska to Texas and Arizona.— Noeth Mexico, Chihuahua {Gregg). Hb. Kew. 5. Evolvulus argyreus, Choisy, Conv. Ear. p. 153, et in DC. Prodr. ix. p. 447? Mexico {Beechey). Hb. Kew. Perhaps a distinct species. The type is from Ecuador. 6. Evolvulus arizonicus, A. Gr. Synop. Fl. N. Am. ii. p. 218. Evolvulus holosericeus, var. obtusatus, Torr. in Bot. U.S. & Mex. Bound. Surv. p. 150, pro parte, nee Choisy, et excl. syn. New Mexico; Arizona.— North Mexico, Monterey (^(^waris), Cerralbo {Gregg), Chihuahua {Potts). Hb. Kew. 7. Evolvulus discolor, Benth. PI. Hartw. p. 6 ; A. Gr. Synop. Fl. N. Am. ii. p. 219. Evolvulus holosericeus, /S. obtusatus, Choisy in DC. Prodr. ix. p. 444. South Mexico, Aguas Calientes {Hartweg). Hb. Kew. 8. Evolvulus holosericeus, H. B. K. Nov. Gen. et Sp. iii. p. 116 ; Choisy in DC. Prodr. ix. p. 444, excl. /3. obtusatus; Meissn. in Fl. Bras. vii. p. 352. Mexico {Schiede). — Colombia to Bolivia and Brazil. 9. Evolvulus mucronatus, Swartz ; Griseb. Fl. Brit. W. Ind. p. 475 ; A. Gr. Synop. Fl. N. Am. ii. p. 218. Evolvulus glabriusculus , Choisy in DC. Prodr. ix. p. 448. Florida. — Mexico, valley of Cordova {Bourgeau, 2286), Acapulco {Sinclair). — Southward to Peru and Brazil and in the West Indies. Hb. Kew. 10. Evolvulus nummularius, Linn. ; Griseb. Fl. Brit. W. Ind. p. 475 ; IVIeissn. in Fl. Bras. vii. p. 349. Evolvulus veroniccefolius, H. B. K. Nov. Gen. et Sp. iii. p. 117, t. 215. South Mexico, Yucatan and Tabasco {Johnson) ; Guatemala [Friedrichsthal) ; Panama (*S'. Hayes, 648 ; Seemann, 577). — Southward to Peru and Brazil and in the West Indies. Hb. Kew. 11. Evolvulus sericeas, Swartz; Griseb. Fl. Brit. W. Ind. p. 475; A. Gr. Synop. ii. p. 218. Florida to Louisiana, Texas and Arizona. — North Mexico, Chihuahua {Potts), Monterey {Eaton & Edwards), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 628^). — Tropical South America and the West Indies. Hb. Kew. 12. Evolvulus villoSUS, Euiz et Pav. Fl. Peruv. iii. p. 30, t. 253. fig. b ; jMeissn. in Fl. Bras. vii. p. 344. South Mexico, without locality {Karwinski ; Schiede & Beppe) ; Guatemala, Llano de 400 CONVOLVULACE^. San Juan de Dios {Bernoulli, 181). — To Pbeu and Beazil and in the West Indies. Hb. Kew. 6. BREWERIA. Breweria, R. Br. Prodr. Fl. Nov. HoU. p. 487; Benth. et Hook. Gen. Plant, ii. p. 876. A genus of about twenty-five herbaceous and shrubby species, inhabiting the warmer regions of both hemispheres, and extending into North America and Australia. 1. Breweria mexicana, Hemsley, n. sp. Erecta, foliis lanceolato-oblongisj floribus paucis aggregatis longiuscule gra'ciliterque pedicellatisj sepalis insequalibus, filamentis barbatis, ovario villoso, styli ramis gracillimis inaequilongis. Herba vel frutex erectus^ undique plus minusve fulvo-pubescens, ramulis graciliusculis, obscure angulatis. Folia petiolata, crassiusculaj moUiaj lanceolato-oblonga, 2—3^ poll, longa, acuta, basi obtusa vel rotundata; petiolus gracilis, 3-4 lineas longus. Flores parvi (8-9 lineas longi), pauci, fasciculati vel subcorymbosi, pedicellis fere filiformibus, usque ad 8 lineas longis ; sepala valde insequalia, 3 exteriora majora, ovata, obtusa, usque ad 6 lineas longa, demum glabre- scentia, sicca venosaque, 3 interiora subscariosa, alterum saepissime orbiculari-caudatum, alterum orbiculare; corolla extus parce hirsuta; stamina inclusa, medio coroUse inserta, filamentis infra medium dilatatis, barbatis, antberis latis ; ovarium villosum, 2-loculare, 4-ovu- latumj stylus filiformis, insequaliter bifidus, ramulis gracillimis, stigmatibus capitatis. Fructus deest. South Mexico, Sierra San Pedro Nolasco &c. {Jurgensen, 623). Hb. Kew. 2. Breweria ovalifolia, A. Gr. Synop. Fl. N. Am. ii. p. 217. Evolvulus? ovalifolius, Torr. Bot. U.S. & Mex. Bound. Surv. p. 150. NoETH Mexico, on the Eio Grande, below San Carlos {Parry). 3. Breweria, sp. 1 NoETH Mexico, between San Luis Potosi and Tampico {Palmer, 1035). 7. DICHONDEA. Bichondra, Porst. Char. Gener. p. 39, t. 20 ; Benth. et Hook. Gen. Plant, ii. p. 879. Four or five species of small prostrate herbs, generally dispersed in warm countries. 1. Dichondra argentea, Humb. et Bonpl., ex Willd. Enum. PI. Hort. Berol. p. 297, et Hort. Berol. t. 81 ; Meissn. in Fl. Bras. vii. p. 359 ; A. Gr. Synop. Fl. N. Am. ii. p. 208. Texas to Aeizona. — Noeth Mexico, Chihuahua {Thurler), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 624); South Mexico, valley of Mexico {Bourgeau, 134 : Schaffner, 2 ; BilimeJc, 248), Eeal del Monte {Coulter, 1013).— Western South Ambeica. Hb. Kew. 2. Dichondra repens, Forst. Char. Gener. p. 40, t. 20 ; DC. Prodr. ix. p. 451 ; Sm. Ic. ined. t. 8 ; A. Gr. Synop. Fl. N. Am. ii. p. 208. Bichondra macrocalyx, Meissn. in Fl. Bras. vii. p. 357. Dichondra sericea, Swartz, Ic. Ind. Occ. 1. 10; Griseb. Fl. Brit. W. Ind. p. 476. CONVOLVULACEiE. 401 This plant is very widely diffused in Temperate and Tropical America, Tropical Asia, South Afbica, Australia and New Zealand, and Pacific Islands. Hb. Kew. 8. CRESSA. Cressa, Linn. Gen. Plant, n. 313; Benth. et Hook. Gen. Plant, ii. p. 881. One half- shrubby species. 1. Cressa Cretica, Linn. Sp. Pi. p. 325 ; DC. Prodr. ix. p. 440 ; Lam. 111. 1. 183 ; Sibth. Fl. Grgec. t. 256 ; A. Gr. Synop. Fl. N. Am. ii. p. 219. Another plant having a very wide range of distribution, chiefly in sandy, maritime, and saline districts of the warmer regions of both hemispheres, including the South of Europe. Hb. Kew. 9. CUSCUTA. Cuscuta, Linn. Gen. Plant, n. 170; Benth. et Hook. Gen. Plant, ii. p. 881. A genus of herbaceous, leafless, climbing parasites, inhabiting most temperate and warm regions. About eighty species are known. 1. Cuscuta americana, Linn. Sp. Pi. p. 180, pro parte; Choisy, Cusc. p. 186, t. 4. fig. 4 ; Engelm. in Trans. St. Louis Acad. i. p. 482 ; A. Gr. Synop. Fl. N. Am. ii. p. 223. Cuscuta congesta et C. glolulosa, Benth. Bot. Voy. ' Sulphur/ p. 138. North Mexico, Mazatlan (Gregg); South Mexico, Acapulco [Sinclair); Guatemala, Mazatenango [Bernoulli, 59). — Colombia; Venezuela; Guiana; Brazil; West Indies. Hb. Kew. 2. Cuscuta applauata, Engelm. in Trans. St. Louis Acad. i. p. 479, et in A. Gr. Synop. Fl. N. Am. ii. p. 223. Arizona. — North Mexico, south of the Gila ( Wright). 3. Cuscuta arvensis, Beyrich ; Engelm. in Trans. St. Louis Acad. i. p. 494, et in A. Gr. Synop. Fl. N. Am. ii. p. 220. New York to Texas, Illinois and Missouri, California and Oregon.— Mexico, Parras [Gregg), San Luis Potosi [Berlandier). —^ovm America. 4. Cuscuta COrymbosa, Ruiz et Pavon ; Engelm. in Trans. St. Louis Acad. i. p. 483. Cuscuta inclusd, Choisy, Cusc. t. 2. fig. 3, et in DC. Prodr. ix. p. 455. Cuscuta laxiflora, Benth. Bot. Voy. ' Sulphur/ p. 138. Cuscuta stylosa, Choisy in DC. Prodr. ix. p. 459. South Mexico, Toluca [Berlandier; Andrieux, 214), Comitan (i«We«, 291), Orizaba [Botteri, 949), Acapulco (5iiwrfs).— Throughout northern South America. Hb. Kew. BIOL. CENTR.-AMER., Bot. Vol. II., February 1882. 3 f 402 CONVOLVULACiLE. 5. CuSCUta decora, Choisy; Engelm. in Trans. St. Louis Acad. i. p. 501, et in A. Gr. Synop. Fl. N. Am. ii. p. 221. Cuscuta pulcherrima, Scheele in LinnEea, xxi. p. 750. Cuscuta indecora, Choisy, Cusc. p. 183, t. 3. fig. 3, et in DC. Prodr. ix. p. 457. Illinois and Texas to Aeizona and California. — North Mexico, Sonora (ffn^A^); South Mexico, Los Banos {Bourgeau, 972). — Southward to Chili and Brazil and in the West Indies. Hb. Kew. 6. Cuscuta gracillima, Engelm. in Trans. St. Louis Acad. i. p. 488. Cuscuta fcetida, Hook, et Am. Bot. Beech. Voy. p. 304, non H, B. K. South Mexico, Santiago Estata, Oaxaca {Liehmann), Tepic {Beechey). Hb. Kew. 7. Cuscuta gronovii, Willd. ; Eoem. et Schult. Syst. vi. p. 205 ; Engelm. in Trans. St. Louis Acad. i. p. 507, et in A. Gr. Synop. Fl. N. Am. ii. p. 221. Cuscuta vulgivaga, Engelm. in Am. Journ. Sc. xliii. p. 338, t. 6. figg. 12-16. Canada to Iowa, and south to Florida and Texas. — Mexico, Cordova {Finck)l Hb. Kew. 8. Cuscuta jalapensis, Schl. in Linnsea, viii. p. 515 ; Engelm. in Trans. St. Louis Acad. i. p. 478. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 631) ; South Mexico, Jalapa [Linden, 308 ; Schiede), near the city of Mexico (Graham), Oaxaca [Galeotti, 4413). Hb. Kew. 9. Cuscuta mitraBformis, Engelm. in Hemsl. Diag. PI. Nov. pars tertia, p. 54. Caulibus crassis, floribus grandiusculis (3 lineas longis latisque) breviter pedicellatis vel subsessilibus glomeratis, calycis lobis orbicularibus insequalibus 2 exterioribus carinatis vel interdum fere alatis quam corolla campanulata pauUo longioribus, coroUse lobis late ovatis rotundatis demum reflexis vel patulis, filamentis subulatis, antheris oblongis sequilongis quam corolla brevioribus, squamis latissimis rotundatis fimbriatis quam coroUse tubus longioribus incurvis gynsecium tegentibus, stylis late conicis quam ovarium brevioribus, capsula maxime acuta exserta stylis acutis induratis coronata. North Mexico, between San Luis Potosi and Tampico {Palmer). Hb. Kew. 10. Cuscuta salina, Engelm. i^ Watson's Bot. Calif, i. p. 536, et in A. Gr. Synop. Fl. N. Am. ii. p. 220. California to Utah and Arizona. — North Mexico, Gila valley {Eothrock). Not recorded from within the present boundary of North Mexico. 11. Cuscuta Squamata, Engelm. in Trans. St. Louis Acad. i. p. 510, et in A. Gr. Synop. Fl. N. Am. ii. p. 222. New Mexico ; Texas.— North Mexico ?, valley of the Rio Grande, from El Paso down to Presidio del Norte (ex Engelmann). CONVOLVTJLACEiE. 403 12. Cuscnta tinctoria, Mart.; Engelm. in Trans. St. Louis Acad. i. p. 480. North Mexico, San Luis Potosi {Gregg); South Mexico, Oaxaca {Karwinski), Tlalpuxahua {Graham). Hb. Kew. [Cuscuta trichostyla, Engelm. in Trans. St. Louis Acad. i. p. 495, " Panama, Tweedie" should doubtless be Parana, Tweedie.] 13. Cuscuta umbellata, H. B. K. Nov. Gen. et Sp. iii. p. 121 ; Engelm. in Trans. St. Louis Acad. i. p. 487, et in A. Gr. Synop. Fl. N. Am. ii. p. 223. Colorado to Texas and ARizoifA.— North Mexico, Chihuabua {PoUs), between Saltillo and Camargo {Gregg) ; South Mexico, between Queretaro and Salamanca {Humboldt & Bonpland). — West Indies. Hb. Kew. Order XGV. SOLANACE.E. SolanacecB, Benth. et Hook. Gen. Plant, ii. p. 882. Herbs or shrubs, rarely arboreous, generally dispersed in warm and temperate regions. The Order contains sixty-six genera, embracing about 1250 species, according to Bentham and Hooker's calculation, and upwards of 1800 species according to Dunal and Miers. 1. LYCOPERSICUM. hycopersicum, Mill. Diet., ex Benth. et Hook. Gen. Plant, ii. p. 888. Three or four herbaceous species indigenous in Tropical America, commonly culti- vated and now naturalized in many other parts of the world. 1. LyCOpersiCUm esculentum, Mill. Diet. n. 2 ; Dunal in DC. Prodr. xiii. 1, p. 26 ; A. Gr. Synop. Fl. N. Am. ii. p. 226. Common in Mexico and Central America, as well as in other parts of Tropical America and the West Indies ; but it is difB.cult to determine where it is really indigenous and where it is only naturalized. Hb. Kew. 2. SOLANUM. Solanum, Linn. Gen. Plant, n. 251 ; Benth. et Hook. Gen. Plant, ii. p. 889. Herbs, shrubs, or small trees, chiefly inhabiting tropical and subtropical regions, and especially numerous in America; a few occur in temperate regions, both north and south. Upwards of 900 species have been described ; but a thorough revision would doubtless result in a considerable reduction of the number. The unnamed species oi- Solanum in Kew herbarium from Mexico and Central America are numerous, and include doubtless some undescribed ones, as well as most of those enumerated below. 3/2 404 SOLANACB^. 1. Solanum aculeatissimum, Jacq. Coll. i. p. 100, et Ic Ear. t. 41 ; DC. Prodr. xiii. 1, p. 244 ; A. Gr. Synop. Fl. N. Am. ii. p. 230 ; Sendt. in Fl. Bras. x. p. 59 ; Griseb. Fl. Brit. W. Ind. p. 442. Solanum myriacanthum, Dun. Sol. p. 218, t. 19. Cabolina to Florida and Texas. — Mexico, near Jalapa (ScMede & Beppe). — Widely dispersed in Tropical America and the West Indies ; also in the Old World ] Hb. Kew. 2. Solanum aculeolatum, Mart, et Gal. in Bull. Acad. Brux. xii. 2 (reprint, p. 15); DC. Prodr. xiii. 1, p. 317; Linnsea, xix. p. 301. South Mexico, Oaxaca {GaleoUi, 1170; Leihold). 3. Solanum aligerum, Schl. in Linnsea, xix. p. 301 ; DC. Prodr. xiii. 1, p. 98. South Mexico, Anganguio (Schiede). 4. Solanum amazonium, Ker, Bot. Eeg. t. 71 ; DC. Prodr. xiii. 1, p. 335. Solanum obtusifolium, Schl. in Linnsea, v. p. 113, et xix. pp. 283 et 285, nee Dun. Solanum vera-crucis, Steud. Nomencl. Bot. Nycterium amazonium, Sims, Bot. Mag. t. 1801. South Mexico, near Vera Cruz and between Santa Fe and Plan del Eio [Schiede & Beppe; GaleotU, 1160 ; Linden, 2^%). Hb. Kew. 5. Solanum amictum, Moric; DC. Prodr. xiii. 1, p. 263. South Mexico, Cordillera of Guichilaca (Berlandier), Mirador {Linden, 237j. Hb. Kew. 6. Solanum anacanthum, Dun. in DO. Prodr. xiii. 1, p. 183. South Mexico, around the city of Mexico. 7. Solanum andrieuxii, Dun. in DC. Prodr. xiii. 1, p. 165. North Mexico %, region of San Luis Potosi, 6000 to 8000 feet {Parry & Pulmer, 662), without locality {Andrieux, 195). Hb. Kew. 8. Solanum angurium, Dun. in DC. Prodr. xiii. 1, p. 375. Solanum angustifolium, Mill. Diet. n. 15, nee Lam. South Mexico, Vera Cruz {Houston). 9. Solanum anoplocladum, Dun. in DC. Prodr. xiii. 1, p. 346. Mexico. 10. Solanum appendiculatum, Dun. in DC. Prodr. xiiL 1, p. 39 ; H. B. K. Nov. Gen. et Sp. iii. p. 19 ; Linnsea, xix. p. 274. South Mexico, near la Puenta de la Madre de Dios, at 6000 feet {Humboldt & Bon- pland), region of Orizaba {Bourgeau), Chiapas {Ghiesireffht).— Colombia; Venezuela Hb. Kew. SOLANACE^. 405 11. Solanum asperum, Vahl, Ed. ii. p. 17; DC. Prodr. xiii. 1, p. 107; Griseb. Fl. Brit. W. Ind. p. 438 ; Dun. Solan, t. 7. Nicaragua, Chontales {Seemann,T9; Tate, 185); Costa Rica {Endres)'i — West Indies; Guiana ; Brazil. Hb. Kew. 12. Solanum auriculatum, Ait. Hort. Kew. i. p. 246 ; DC. Prodr. xiii. 1, p. 115 ; Sendt. in Fl. Bras. x. p. 40. Mexico, Mazatlan (Seemann, 1505) ; Guatemala, Volcan de Fuego, 5000 feet {Salvin). — ^Tropical South America, and now widely dispersed in the tropics of the Old World. Hb. Kew. 13. Solanum axilliflorum, Dun. in DC. Prodr. xiii. 1, p. 371. Solanum scandens, Mill. Diet. n. 19. South Mexico, Vera Cruz {Houston). 14. Solanum bahamense, Linn.; DC. Prodr. xiii. 1, p. 185; Dill. Hort. Elth. t. 271 ; Griseb. Fl. Brit. W. Ind. p. 440. Mexico. — West Indies. 15. Solanum beSSeri, Weinm. in DC. Prodr. xiii. 1, p. 48?; Mart, et Gal. in Bull. Acad. Brux. xii. 2 (reprint, p. 10). South Mexico, eastern Cordillera of Oaxaca, at 5000 to 7000 feet (Galeotti, 1152, 1229). 16. Solanum brachystacbyS, Dun. in DC. Prodr. xiii. 1, p. 128. Solanum venosum, Sendt. in Fl. Bras. x. p. 27, in nota. Solanum lucidum, Mart, et Gal. in Bull. Acad. Brux. xii. 2 (reprint, p. 9). South Mexico, Chalco [Andrieux, 186), Cordillera of Oaxaca, 2500 feet {Galeotti, 1164). Hb. Kew. 17. Solanum bulbo-castanum, Dun. in DC. Prodr. xiii. 1, p. 43. Mexico {Mogino & SessS). 18. Solanum Caavurana, Veil. Fl. Flum. ii. 1. 112; DC. Prodr. xiii. 1, p. 147; Fl. Bras. x. p. 20. South Mexico, region of Orizaba {Bourgeau, 2405), Jalapa {Coulter, 1238 ; Linden, 234; Galeotti, 1155).— Brazil. Hb. Kew. Some or all of the Mexican specimens here referred to this species may belong to 8. diphyllum. 19. Solanum CallicarpSBfolium, Kth. et Bouche; DC. Prodr. xiii. 1, p. 107; Griseb. Fl. Brit. W. Ind. p. 438. South Mexico, region of Orizaba {Bourgeau, 2409), Mirador {Linden, 238) ; Nica- ragua, Chontales {Tate); Panama {Seemann, 166).— West Indies; Guiana. Hb. Kew. 406 SOLANACRS. 20. Solanum calycinuin, M05. et Sesse in DC. Prodr. xiii. 1, p. 354. Mexico (Mogino & Sesse). 21. Solanum campechiense, Linn.; DC. Prodr. xiii. 1, p. 312. South Mexico, Campeachy {Houston). This is reduced to S. fuscatum by Grisebach, PL Brit. W. Ind. p. 442. 22. Solanum Campylocladmn, Dun. in DC. Prodr. xiii. 1, p. 173. Mexico. — Colombia. 23. Solanum candidum, Lindl. Bot. Reg. 1839, Misc. p. 73 ; DC. Prodr. xiii. 1, p. 247. Mexico, cultivated in England by Mr. Barker. 24. Solanum cardiophyllum, Lindl. in Journ. Hort. Soc. iii. pp. 70 et 71, cum ic. xylogr.; DC. Prodr. xiii. 1, p. 678. Mexico, at an elevation of 8000 to 9000 feet {Wide). 25. Solanum cervantesii, Lag. Nov. Gen. et Sp. p. 10; DC. Prodr. xiii. 1, p. 103. Solanum pubigerum, Dun. Sol. p. 160, t. 6. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 638) ; South Mexico, Eeal del Monte {Eartweg), Desierto Viejo {JBourgeau, 1256), Vera Cruz to Orizaba {Muller, 1675), around Toluca {Andrieux, 184), Chiapas {Ghieshreght). Hb. Kew. 26. Solanum chenopodioides, Lam.; DC. Prodr. xiii. 1, p. 55; Sendt. in Fl. Bras. X. p. 16. Mexico 1 — Southward to Chili. Hb. Kew. 27. Solanum Chloropetalon, Schl. in Linnaea, xix. pp. 291-295 ; DC. Prodr. xiii. 1, p. 247. South Mexico, near Jalapa {Schiede & Beppe). 28. Solanum chrysacanthum, Dun. in DC. Prodr. xiii. 1, p. 330. South Mexico, Yotla {Andrieux, 191). Hb. Kew. 29. Solanum Chrysotrichum, Schl. in Linnsea, xix. p. 304 ; DC. Prodr. xiii. 1, p. 276. South Mexico, near Las Trojes {Schiede). 30. Solanum ciliolatum, Mart, et Gal, in Bull. Acad. Brux. xii. 2 (reprint, p. 12) ; DC. Prodr. xiii. 1, p. 164. South Mexico, Sierra de Capulalpan and Llano Verde, eastern Cordillera of Oaxaca, 6000 to 7500 feet {Galeotti, 1230). SOLAKACE.^. 407 31. Solanum Clathratmn, Sendt. in Fl. Bras. X. p. 35; DC. Prodr. xiii. 1, p. 120. South Mexico, Cordillera of Mexico {Oaleotti). — Brazil. 32. Solanum COrnutum, Lam.; DC. Prodr. xiii. 1, p. 328; Ann. Mus. Par. iii. t. 9 ; Jacq. Eclog. t. 104. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 635) ; South Mexico, Zimapan {Coulter, 1250), around Vera Cruz and Mexico {Berlandier). Hb. Kew. 33. Solanum COrtex-virenS, Dun. in DC. Prodr. xiii. 1, p. 372. South Mexico, Campeachy. 34. Solanum deMlei, Dun. in DC. Prodr. xiii. 1, p. 81. Mexico. 35. Solanum demissum, Lindl. in Journ. Hort. Soc. Lond. iii. pp. 69 et 70, cum ic. xylogr. ; DC. Prodr. xiii. 1, p. 678. Mexico, at 8000 to 9000 feet {VMe). 36. Solanum densiflorum, Mart, et Gal. in Bull. Acad. Brux. xii. 2 (reprint, p. 13) ; DC. Prodr. xiii. 1, p. 113. South Mexico, Zimapan, at 5000 feet {Galeotti, 1222). 37. Solanum diphyllum, Linn. Sp. Pi. p. 264 ; DC. Prodr. xiii. 1, p. 144. Mexico, Tampico {Berlandier). Only cultivated specimens in Kew herbarium. 38. Solanum divaricatum, Mart, et Gal. in Bull. Acad. Brux. xii. 2 (reprint, p. 8) ; DC. Prodr. xiii. 1, p. 73. South Mexico, Cordillera of Oaxaca, at 7000 feet {Galeotti, 1163), 39. Solanum diversifolium, Schl. in Lirmsea, xix. p. 297; DC. Prodr. xiii. 1, p. 262. South Mexico, Mirador {Linden, 247), San Bias to Topic {Coulter, 1245), near Papantla {Schiede). Hb. Kew. 40. Solanum elSBagnifolium, Cav. Ic. Pi. iii. p. 22, t. 243 ; DC. Prodr. xiii. 1, p. 290 (varietates) ; A. Gr. Synop. El. N. Am. ii. p. 230. Solanum leprosum, Ort. Dec. ix. p. 115 ; Dun. Sol. t. 12.. Solanum hindsianum, Benth. Bot. Voy. ' Sulphur/ p. 39. Solanum texense, Engelm. & Gray, PI. Lindh. i. p. 45. Solanum roemerianum, Scheele in Linnsea, xxi. p. 767. Kansas to Texas, Arizona, and Lower California.— North Mexico, Monterey {Eaton & Edwards), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 636), Zacatecas {Coulter, 1246, 1247, 1248) ; South Mexico, Vera Cruz to Orizaba {Miiller, 182), Leon {Hartweg).—CmiA ; Buenos Aykes. Hb. Kew. 408 SOLAJ!JACB^. 41. Solannm ensifolium, Dun, in DC. Prodr. xiii. 1, p. 186. Mexico. 42. Solanum fendleri, Van Heurck's et Miill. in Heurck Obs. Bot. fasc. ii. p. 130, Panama, near Chagres {Fendler, 254). 43. Solanum flavescens, /3. albescens, Dun. in DC. xiii. 1, p. 254. South Mexico, Oaxaca {Andrieux, 192). Hb. Kew, 44. Solanum fcetidnm, Euiz et Pav. Fl. Peruv. ii. p. 39 ; DC. Prodr. xiii. 1, p, 147. Nicaragua, Chontales {Tate, 262), without locality {L6vy). — Southward to Peru, and eastward to Guiana. Hb. Kew. 45. Solanum fontanesianum, Dun. in DC. Prodr. xiii, 1, p. 329 ; Bot. Eeg. 1. 177. Mexico % 46. Solanum galeottii, Dun. in DC. Prodr. xiii. 1, p. 82. Solanum appendiculatum, H. B. K.? Mart, et Gal. in Bull. Acad. Brux. xii. 2 (reprint, p. 7). South Mexico, Ario, Michoacan, 4000 feet (Galeotti, 1184). Hb. Kew. 47. Solanum geminiflorum, Mart, et Gal. in Bull. Acad. Brux. xii. 2 (reprint, p. 14) ; DC. Prodr. xiii. 1, p. 157. South Mexico, Chinantla, Cordillera of Oaxaca, at 5000 feet (Galeotti, 1242). 48. Solanum glabrum, Dun. in DC. Prodr. xiii. 1, p. 102, Solanum bombense, Jacq.; H. B. K. Nov. Gen. et Sp. iii. p. 29. South Mexico, near Moran, Eegla, and Omitlan [Humboldt & Bonpland). 49. Solanum glaucescens, Zucc. Abhandl, Miinch. Akad. Wissensch. 1837, p. 325; Sendt. in Fl. Bras. x. p. 109, t. 14; DC. Prodr. xiii. 1, p. 233. Mexico [KarwinsTci). — Brazil. There is some doubt respecting this species being a native of Mexico. 50. Solanum glutinosum, Dun. in DC. Prodr. xiii. 1, p. 342 ; Sendt, in Fl. Bras. X. p. 79. Solanum nicotian, didynama, inclusa, prope basin corollas inserta; antberae pilosulse, loculis oblongis divergeiitibus ; filamenta filiformia. Staminodium capitatum. Discus anniilariSj integer. Ovarium subsessile; ovula in quaque placenta plnriseriata. Capsula cylindracea, circiter tripedalis, longitudinaliter 16-costataj loculicide dehiscens, valvis coria- ceisj septo crasso tereti. Semina plano-compressa, utrinque longissime alata, alis byalinis, tenuissimis. 1. Godmania macrocarpa, Hemsley, loc. cit. (Tab. LXV.) Arbor patula, 15-20-pedalis, ramulis, foliis floribusque puberulis. Folia opposita, longe petiolata, digitatim 7-foliolataj foliola petiolulata, obovato-oblonga, 4-6-pollicaria, acuminata, obtusa, basi cuneata, ssepius utrinque praecipue secus medium glandulosa, glabrescentia, petiolulis infrapollicaribus, petiolo 6-pollicari. Flores semipollicares, albidi, intus roseo guttati, et antice barbati, dense corymbosi, corymbis axillaribus. Capsula circiter tripedalis ; semina cum appendicibus alatis, 4-6-poUicaria. — Cybistax macrocarpa, Benth. inBenth. et Hook. Gen. PI. ii. p. 1043. Panama, in woods near the city of Panama {S. Hayes, 61). Hb. Kew. Fendler's ' Plantfe Venezuelse,' n. 29, belongs to this genus, and possibly to G. macro- carpa. EXPLANATION OF TAB. LXV. Kg. 1, small gland from undersurface of leaf, magnified about 300; 2, vertical section of gland from upper surface of leaf, magnified about 200; 3, gland from upper surface of leaf, magnified about 200; 4, a flower, twice natural size; 5, a corolla laid open, enlarged; 6, calyx and pistil, enlarged ; 7, pistil, enlarged ; 8, seed-vessel, natural size ; 9, cross section of the same showing terete septum; 10, a seed, natural size; 11, an embryo, enlarged; 12, a cross section of the same. 10. TECOMA. Tecoma, Juss. Gen. Plant, p. 139, excl. T. pentaphylla, Benth. et Hook. Gen. Plant, ii. p. 1044. Erect or climbing shrubs, rarely almost arboreous. About twenty-four species widely dispersed in subtropical regions both north and south, rarer within the tropics. 1. Tecoma mollis, H. B. K. Nov. Gen. et Sp. iii. p. 144 ; DC. Prodr. ix. p. 224. Bignonia tecomoides, DC. Prodr. ix. p. 166. Tecoma sorbifolia, H. B. K. Nov. Gen. et Sp. iii. p. 144. Tecoma stans y. velutina, DC. Prodr. ix. p. 224. Stenolobium molle, Seem. Journ. Bot. i. p. 90. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 696} ; South Mexico, around Guanajuato, at about 6450 feet (Humboldt & Bonpland), Chalco {Andrieux, 224), mountains west of Oaxaca, 7000 feet (Galeotfi, 1021), Guadalupe (Bourgeau, 36); Guatemala, Volcan de Fuego, 5000 feet (Salvin).— Colombia; Peru; Chili. Hb. Kew. BI&NONIACE^. 497 2. TeCOma Stans, Juss. Gen. Plant, p. 139; DC. Prodr. ix. p. 224, excl. y. velutina; Bot. Mag. t. 3191 ; A. Gr. Synop. Fl. N. Am. ii. p. 319. Bignonia stans, Linn. Sp. PI. p. 871. Stenolobium stans, Seem. Journ. Bot. i. p. 88 ; Bureau, Monogr. t. 13. Texas to Arizona.— Noeth Mexico, Sierra Madre (Seemann, 2116), Sonera (Wright), Coahuila (Palmer, 1003) ; South Mexico, region of Orizaba (Bourgeau, 2480 ; Miiller, 1109, 1110), Zimapan (Coulter, 1009); Costa Rica (JEndres); Panama (Seemann, 558). — Colombia to Peru, and in the West Indies. Hb. Kew. 3. Tecoma viminalis, Hemsley. Bignonia viminalis, H. B. K. Nov. Gen. et Sp. iii. p. 132; DC. Prodr. ix. p. 144. Astianthus longifolius, D. Don in Edinb. Phil. Journ. ix. p. 262; DO. Prodr. ix. p. 177; Seem, in Bonplandia, 1862, t. 13, et in Ann. Nat. Hist. ser. 3, x. p. 31. South Mexico, Gonacatepec (Andrieux, 219), Vera Cruz, at 1000 feet (Galeotti, 1017); G\skTE.UK-Lk (Skinner). Hb. Kew. 11. TOUEEETIA. Tourretia, Juss. Gen. Plant, p. 139 ; Benth. et Hook. Gen. Plant, ii. p. 1049. A monotypical herbaceous or half-shrubby climber. 1. Tourretia lappacea, WUld. Sp. Pi. p. 263 ; DC. Prodr. ix. p. 236 ; Bot. Mag. t. 3749 ; Bureau, Monogr. 31. Mexico?; Guatemala, Santa Maria (Hartweg), Volcan de Fuego, 5000 feet (Salvin). — ^Colombia to Peru. Hb. Kew. 12. JACARANDA. Jacaranda, Juss. Gen. Plant, p. 138 ; Benth. et Hook. Gen. Plant, p. 1050. Trees. About thirty species, restricted to Tropical America. 1. Jacaranda COpaia, Don in Edinb. Phil. Journ. 1823, p. 264; DC. Prodr. ix. p. 229. Bignonia copaia, Aubl. PI. Guian. ii. p. 650, tt. 262 et 265. Panama, slopes of hills, Paraiso (S. Hayes, 627). — Guiana. Hb. Kew. 2. Jacaranda filicifolia, Don in Edinb. Phil. Journ. 1823, p. 266 ; DC. Prodr. ix. p. 229. Panama, David, Veraguas (Seemann, 1127), near Paraiso (S. Hayes). — Guiana. Hb. Kew. 13. PARMENTIERA. Parmentiera, DC. Prodr. ix. p. 244; Benth. et Hook. Gen. Plant, ii. p. 1051. A Mexican and Central- American genus of trees ; the number of species variously estimated. BIOL, centr.-amee., Bot. Vol. II., Ajpril 1882. 3 s 498 BIGNONIACE^. 1. Parmentiera alata, Miers in Trans. Linn. Soc. xxvi. p. 166, Crescentia alata, H. B. K. Nov. Gen. et Sp. iii. p. 158 ; DC. Prodr. ix. p. 347; Hook. Kew Journ. Bot. vi. p. 275 ; Trans. Linn. Soc. xxiii. p. 21 ; Parad. Vindob. ii. t. 87. Crescentia trifolia, Blanco, Fl. Pilip. p. 489. South Mexico, common on the western coast from Mazatlan to Acapulco (Rum- holdt & JBonpland ; Gregg; Seemann); Centeal Ameeica, without locality (Wendland) ; Panama, Veraguas, cultivated (Seemann). Hb. Kew. Introduced in the Philippine Islands and elsewhere. 2. Parmentiera cereifera, Seem. Bot. Yoy. 'Herald,' p. 182, t. 32 ; Trans. Linn. Soc. xxiii. p. 17. Panama, near the villages of Cruces, Gorgona, and San Juan (Seemann). Hb. Kew. 3. Parmentiera edulis, DC. Prodr. ix. p. 244, et Caiques des Dess. Fl. Mex. 830 ; Trans. Linn. Soc. xxiii. p. 18. Parmentiera aculeata, Seem. Bot. Voy. ' Herald/ p. 183. Crescentia aculeata, H. B. K. Nov. Gen. et Sp. iii. p. 158. Crescentia edulis, Desv. Journ. Bot. iv. p. 112; DC. Prodr. ix. p. 246. Crescentia muscecarpa, Zaldivar ; Heller, Beisen in Mexico, p. 414. Parmentiera foliolosa et P. lanceolata, Miers in Trans. Linn. Soc. xxvi. pp. 166 et 167. South Mexico, Zimapan (Coulter), Gonacatepec (Andrieux, 225), Campeachy (Hum- boldt & Bonpland). Hb. Kew. 14. CEESCENTIA. Crescentia, Linn. Gen. Plant, n. 762 ; Benth. et Hook. Gen. Plant, ii. p. 1053 ; Miers in Trans. Linn. Soc. xxvi. pp. 159-180, tt. 7-9. An exclusively Tropical- American genus of trees. Miers defines fifteen species from very scanty material. 1. Crescentia CUCUrbitina, Linn. Mant. p. 250 ; DC. Prodr. ix. p. 246 ; Seem, in Trans. Linn. Soc, xxiii. p. 19. Crescentia latifolia. Lam. Diet. i. p. 558. Crescentia obovata, Benth. Bot. Voy, ' Sulphur,' p. 130, t. 46. Crescentia lethifera et C. toxicaria, Tussac, PI. des Antill. iv. p. 50, t. 17. Crescentia ovata, Burm. PL Ind. p. 132. Panama, Chagres (Fendler, 210), without locality (Seemann).— BAnim ; West Indies. Hb. Kew. 2. Crescentia CUJete, Linn. Sp. Pi. p. 872; DC. Prodr. ix. p. 246; Seem, in Trans. Linn. Soc. xxiii. p. 20; Bot. Mag. t. 3430; Veil. Fl. Flum. vi. t. 103; Tussac Fl. des Antill. ii. p. 80, t. 19. Crescentia cuneifolia, Gardn. in Hook. Journ. Bot. ii. p. 422. Crescentia acuminata, H. B. K. Nov. Gen. et Sp. iii. p. 157, BIGNONIACEiE. 499 Guatemala (Friedrichsthal) ; Panama (Seemann).— Colombia to Peeu and Brazil, and in the West Indies, Hb. Kew. Generally cultivated in warm countries. 3. Crescentia macrophylla, Seem, in Hook. Kew Journ. Bot. vi. p. 274, et in Trans. Linn. Soc. xxiii. p. 20 ; Bot. Mag. t. 4822, South Mexico, Teapa, Tabasco {Linden, 1608), Hb. Kew. Order CI. PEDALINEiE, Pedalinece, Benth. et Hook. Gen. Plant, ii. p. 1054. Herbs, Twelve genera, comprising about fifty species, generally difi'used in warm countries, though very rare in Asia and Australia, Their greatest concentration is in Africa, 1, MAETYNIA. Martynia, Linn. Gen. Plant, n, 753; Benth, et Hook, Gen. Plant, ii. p. 1055. About ten species, inhabiting America from the Southern States of North America southward to Monte Video, 1, Martynia altheSBfolia, Benth. Bot, Voy. 'Sulphur,' p, 37; A. Gr. Synop. Fl, N, Am. ii. p. 321. Martynia arenaria, Engelm. PI. Wisliz. p. 100; Torr. Bot. U.S. & Mex. Bound. Surv. p. 110. Proboscidea altheafolia, Done, in Ann. So. Nat. serie 5, iii. p. 334. TEXA.S to Arizona and Lower California. — North Mexico, along the Eio Grande {Bigelow ; Parry), Sonora (Thurber). 2, Martynia botterii, Hemsley. Proboscidea botterii, Dene, in Ann. Sc. Nat. serie 5, iii. p. 327. South Mexico, Orizaba {Botteri, 797), Hb, Kew. 3. Martynia diandra, Glox, Obs. p. 14, t. 1 ; DC. Prodr. ix, p. 253 ; Jacq. Hort, Schcenb, t, 289 ; Andr, Bot, Kep, t. 575 ; Bot. Eeg. t. 2001, Martynia angulosa, Lam. 111. t. 237. fig. 1; Ehret, Ic. t. i. fig. 1; Eeliq. Houst. t. 10; Martyn, Hist, PI. Ear. p. 42, cum ic. color. South Mexico, Vera Cruz {Houston), Yucatan and Tabasco {Johnson, 77). Hb, Kew, 4. Martynia fragrans, Lindl. Bot. Eeg, 1841, t. 6; A. Gr. Synop. Fl. N, Am ii, p, 321 ; Bot. Mag. t, 4292, Martynia violacea, Engelm. PI. Wisliz. p. 101. Proboscidea fragrans et P- violacea, Dene, in Ann. Sc. Nat, serie 5, iii. pp. 325 et 326. Texas ; New Mexico. — North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 697), Chihuahua {Thurber), Encinillas {Wislizenus) ; South Mexico, Vera Cruz {Linden, 217), Hb, Kew, 3s2 500 PEDALINEiE. 5. Martynia proboSCidea, Glox. Obs. p. 14 ; DC. Prodr. ix. p. 253 ; a. Gr. Synop. Fl. N. Am. ii. p. 321 ; Bot. Mag. t. 1056 ; Mill. Ic. t. 286. Martynia annua, Linn. Sp. PI. p. 853, excl. syn. et patr. Proboscidea jussicei, Schmidel, Icon. p. 49, tt. 12 et 13; Dene, in Ann. Sc. Nat. serie 5, iii. p. 324. New Mexico. — Mexico. 6. Martynia triloba, Ch. et Schl. in Linnsea, V. p. 121 ; DC. Prodr. ix. p. 253. Proboscidea triloba, Dene, in Ann. Sc. Nat. serie 5, iii. p. 326. South Mexico, near Vera Cruz (Schiede). [Sesamum indicum, Linn., an Asiatic member of the Order, often cultivated for the oil yielded by its seeds, is naturalized in some parts of Mexico.] Order CII. ACANTHACEtE. AcanthaceisB, Benth. et Hook. Gen. Plant, ii. p. 1060. Herbs, half-shrubs, rarely shrubs or trees. About 125 genera and 1500 species, generally diffused in warm countries, rare in temperate and absent from cold regions. 1. MENDONCIA. Mendoncia, Veil, in Vand. PL Lusit. et Bras. p. 43, t. 3. fig. 22; Benth. et Hook. Gen. Plant, ii. p. 1072. About twenty shrubby and half-shrubby species, inhabiting Tropical America from Nicaragua to Brazil. 1. Mendoncia COStaricana, CErst. in Vidensk. Meddel. 1854, p. 113 ; Walp. Ann. iii. p. 209. Costa Kica, Aguacate and Cartago ((Ersted). 2. Mendoncia, sp. (M. costaHcanaV). Nicaragua, Chontales {Tate, 435) ; Panama, Mamei station {S. Hayes, 169). Hb. Kew. We have seen no authenticated specimen of M. costaricana ; and CErsted's description was drawn up from imperfect specimens ; so that we are unable to determine whether this is a different species. {Thwnbergia alata, Bojer ; Hook. Exot. Fl. 1. 177, an African plant, is now naturalized in Mexico and Central America.] 2. ELYTEAEIA. Elytraria, Vahl, Enum. i. p. 106; Benth. et Hook. Gen. Plant, ii. p. 1073. About four herbaceous species, divided into fourteen by some authors. They are all Tropical-American, and one that is rare in America is widely dispersed in Tropical Asia and Africa. ACANTHACE^. 501 1. Elytraria tridentata, Vahl, Enum. i. p. 106 ; DC. Prodr. xi. p. 64 ; Griseb. Fl. Brit. W. Ind. p. 451 ; A. Gr. Synop. Fl. N. Am. ii. p. 324. Elytraria frondosa, E. ramosa et E.fasciculata, H. B. K. Nov. Gen. et Sp. ii. pp. 234 et 235. Elytraria bromoides et E. microstachya, CErst. in Vidensk. Meddel. 1854, pp. 114 et 115, t. 3. figg. 1-6. Elytraria pachystachya, CErst. loc. cit. p. 116, t. 3. figg. 9-16? Elytraria caulescens, Ledeb. Ind. Sem. Hort. Dorp. 1820 ; DC. Prodr. xi. p. 63. Verbena squamosa, Jacq. Hort. Schoenb. 1. p. 3, t. 5, fide Nees. Elytraria apargimfolia, Nees in DC. Prodr. xi. p. 65. Arizona ; New Mexico. — Mexico and Central America, common. — Southward to Buenos Atres, and in Trinidad and Cuba. Hb. Kew. 3. NELSONIA. Nelsonia, R. Br. Prodr. Fl. Nov. HoU. p. 480; Bentb. et Hook. Gen. Plant, ii. p. 1073. One herbaceous species: — 1. Nelsonia campestris, K. Br. Prodr. Fl. Nov. Holl. p. 481 ; Benth. Fl. Austr. iv. p. 543 ; Endl. Iconogr. t. 79. Nelsonia rotundifolia, E,, Br. loc. cit. Nelsonia tomentosa, Dietr., N. canescens, Nees, N. pohlii, Nees, et N. nummularimfolia, R. et S. in DC. Prodr. pp. 65-67, cum synonymis omnibus, fide Bentbam loc. supr. cit. Nelsonia villosa, CErst. in Vidensk. Meddel. 1854, p. 118, t. 4. figg. 3-6. Almost everywhere in the Tropics, including Central America. Hb. Kew. 4. HYGEOPHILA. HygropUla, R. Br. Prodr. Fl. Nov. Holl. p. 479; Benth. et Hook. Gen. Plant, ii. p. 1075. Herbs or half-shrubs. About fifteen species, widely dispersed in the tropics. Bentham and Hooker regard some or all of the following forms as varieties of H. salicifolia, Nees, a species that is common in Tropical Asia and Australia ; but we are not clear which; therefore we leave them under the names given. by Nees in DeCandolle's ' Prodromus.' 1. Hygrophila COStata, Nees in DC. Prodr. xi. p. 88 ; Seem. Bot. Voy. ' Herald,' p. 178. South Mexico, Orizaba (Botteri, 628) ; Guatemala, Mazatenango {Bernoulli) ; Nica- ragua, Chontales {Tate, 213) ; Panama, Chagres {Fendler, 198, 202), banks of rivers (Seemann, 411). — Southward to Brazil. Hb. Kew. 2. Hygrophila laCUStris, Nees in DC. Prodr. xi. p. 86 ; A. Gr. Synop. Fl. N. Am. ii. p. 324. Ruellia lacustris, Ch. et Scbl. in Linnsea, v. p. 96. Florida; LouiSLyifA; Texas.— Mexico, Jalapa (xycAietZe c& Z>^^|>e). 502 ACANTHACE^. 3. HygrophUa longifolia, Nees in DC. Prodr. xi. p. 86, South Mexico, Vera Cruz to Orizaba {Miiller, 948), Consoquitla, Vera Cruz {Linden, 126).— Brazil. Hb. Kew. i. Hygrophila rivularis, Nees in DC. Prodr. xi. p. 87. Ruellia rivularis, Schl. in Linnseaj vii. p. 396. South Mexico, Cuesta Grande de Chiconquiaco (Schiede & Deppe). — Colombia. Hb. Kew. 5. CALOPHANES. Calophanes, D. Don in Sweet's Brit. Fl. Gard. ser. 2, t. 181 ; Benth. et Hook. Gen. Plant, ii. p. 1077. Herbs or half-sbrubs. About thirty species, inhabiting Tropical and North America, Tropical and South Africa, and Tropical Asia. Several of the following may have to be reduced. 1. Calophanes angustifolia, Hemsley, n. sp, C. ovatiB affinisj difFert foliis subsessilibus lineari-lanceolatisj floribus majoribus etc. Frutex vel herba Hgnescens, stricta, plus minusve villoso-hirsuta, ramis obscure tetragonis rectis. Folia rigidiuscula, scabrida, subsessilia, lineari-lanceolata, li-25 poll, longa, 3-5 lineas lata, Integra, subacuta, discoloria, venis utrinque 4 vel 5 conspicuis apicem versus excurrentibus. Flores axillares, subsessiles^ pauci, aggregati, dense cymosi, cymis bracteatis brevissime pedunculatis ; bractese angustse, calycem sequantes; calyx scabridus, lobis longe setaceo- subulatis tubum corollse fere aequantibus ; corolla distincte bilabiata, puberula, circiter 1 poll, longa^ tubo latiusculo incurvo, limbi lobis rotundatis ; antherarum loculi basi breviter mucro- nati ; ovarium glabrum, loculis 2-ovulatis. Capsulam maturam non vidi. South Mexico, Oaxaca {Ghiesbreght). Hb. Kew. 2. Calophanes bilabiatus, Seem, in Bot. Voy. ' Herald,' p. 324, t. 65. North Mexico, Cerro de Pinal {Seemcmn, 1513); South Mexico, Cuernavaca {Bourgeau, 1262). Hb. Kew. 3. Calophanes capitatus, CErst. in Vidensk. Meddel. 1854, p. 131; Walp. Ann. V. p. 647. South Mexico, Oaxaca [Liebmann). 4. Calophanes decmnbens, A. Gr. Synop. Fl. N. Am. ii. p. 325. Calophanes oblongifolia, Torr. Bot. U.S. & Mex. Bound. Surv. p. 122, non Don. Texas to Arizona.— North Mexico, ^onox^ {Wright, Thurler), Sierra Madre {Palmer, 2033), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 699), Bolanos {Coulter, 1178), near San Luis Potosi {Schaffner). Hb. Kew. 5. Calophanes hirsutissima, Nees in DC. Prodr. xi. p. 109. South Mexico, Hacienda de Guadalupe {Ehrenberg). ACANTHACEiE. 503 6. Calophanes jasmimim-mexicanum, Nees in DC. Prodr. xi. p. 110. South Mexico, Zimapan {Coulter, 1210), Aguas Calientes {Hartweg, 1017), near the city of Mexico [Alaman, Mairet). Hb. Kew. 7. Calophanes linearis, A. Gr. Synop. Fl. N. Am. ii. p. 324. Dipteracanthus {Calophanes) linearis, Torr. & Gray, PI. Lindl. 1. p. 50. Ruellia {Calophanes) ovata, Benth. PI. Hartw. p. 89, quoad plantam Texaaam, nou Ruellia ovata, Cav. Calophanes oblongifolia, var. texensis, Torr. Bot. U.S. & Mex. Bound. Surv. p. 133. Texas ; New Mexico. — North Mexico (ex A. Gray). 8. Calophanes microphyUa, Nees in DC. Prodr. xi. p. 113. Ruellia microphyUa, Cav. Ic. PI. vi. p. 63, t. 586. fig. 3. Mexico % 9. Calophanes ovata, Benth. Pi. Hartw. p. 89 ; DC. Prodr. xi. p. 108. Ruellia ovata, Cav. Ic. PI. iii. p. 38, t. 354. South Mexico, Oaxaca {OhiesbregU), Vera Cruz to Orizaba {MuUer, 1098); Guate- mala, Zumpango {Hartweg, 605), without locality {Skinner). Hb. Kew. 10. Calophanes quadrangnlaris, (Erst, in Vidensk. Meddel. 1854, p. 120 ; Walp. Ann. v. p. 647. South Mexico, Consoquitla {Liehmann). 11. Calophanes quitensis, Nees in DC. Prodr. xi. p. 110. Ruellia quitensis, H. B. K. Nor. Gen. et Sp. ii. p. 340. South Mexico, Cordillera of Vera Cruz, at 3000 feet {Galeotti, 934). — Ecuador. Hb. Kew. 12. Calophanes Schiedeana, Nees in DC. Prodr. xi. p. 111. Ruellia quitensis'^, Ch. et Schl. in Linnaea, v. p. 96. South Mexico, Jalapa {Schiede & Bepj/e), Eegia {Mrenberg). 6. KUELLIA. Ruellia, Linn. Gen. Plant, n. 784 j Benth. et Hook. Gen. PI. ii. p. 1077. Herbs and shrubs. About 150 species, for the greater part indigenous in Tropical America a few inhabiting extratropical North and South America, Tropical and South Africa, Tropical and Subtropical Asia and Australia. 1. Euellia? acMmeniflomm, Hemsley. Arrhostoxylon achimeniflorum, (Erst, in Vidensk. Meddel. 1854, p. 131 j Walp. Ann. v. p. 651. Costa Eica, Aguacate, 1600 feet {(Ersted). 2. Ruellia albicanlis, Bertero ; Spreng. Syst. ii. p. 822. Dipteracanthus hoenkei, Nees in DO. Prodr. xi. p. 141, pro parte. 504 ACANTHACE^. Guatemala (Friedrichsthal) ; Nicaragua, Granada &c. {(Ersted) ; Panama {Cuming). — North part of South America. Hb. Kew. [Dipteracanthus angustus, Griseb. in Bonplandia, 1858, p. 10, from Panama, is most likely a Ruellia.] 3. Euellia (Ophthalmacanthus) bourgaei, Hemsley, Diag. Pi. Nov. pars altera, p. 35. (Tab. LXVI.) Frutex vel herba robusta, glanduloso-hirsuta^ viscosa, radice crassa^ tuberosaj caules vel rami crassiusculi, tetragoni, nodis tumidis. Folia petiolata, mollia, late ovata^ absque petiolo usque ad 7 poll, longa et 6 poll, lata, acuminata, acuta, basi rotundata vel breviter cuneata, crenato-dentata, venis primariis lateralibus conspicuis ; petiolus 1-2^ poU. longus. Flores speciosi, 3-4 poll, lougi, longiuscule pedunculati, in axillis bractearum et foliorum superiorum solitarii, basi 2-bracteolati ; pedunculi 1^-2^ poll, longi, crassiusculi, arcuatim adsceudentes ; bracteolse lineari-oblongse, circiter 1 poll, longse; calyx 1— 1| poll, longus, S-partitus, segmentis lineari-oblongis, obtusiusculis, erectis, persistentibus ; corolla basi cylindrico-tubulosa, infra medium subito oblique ventricoso-inflata, limbi lobis latis, rotundatis, patentibus ; stamina exserta; discus carnosus, pulvinatus; ovarium glabrum, loculis 8-10-ovulatis. Capsulam maturam non vidi. South Mexico, mountains near Guadalupe, valley of Mexico (JBourgeau, 885 ; Halm). Hb. Kew. A very fine species, allied to R. pulcherrima. 4. Ruellia campestris, Hemsley. Gymnacanthus campestris, (Erst, in Vidensk. Meddel. 1854^ p. 126 ; Walp. Ann. v. p. 639. Costa Riga, Guanacaste {(Ersted). Hb. Kew'? [Ruellia concavifolia, Ortega, R. ocymoides, Cav. Ic. PI. t. 416, is recorded as a Mexican plant ; but Nees, in DC. Prodr. xi. p. 127, reduces it to Dipteracanthus patulus, an Asiatic plant.J 5. RueUia dipteracanthus, Hemsley. Cryphiacanfhus dipteracanthus, Nees in DC. Prodr. xi. p. 199. South Mexico, Cordillera of Vera Cruz, at 2000 feet {Galeotti, 933). Hb. Kew. 6. Ruellia gemmipara, Nees in DC. Prodr. xi. p. 220. Ophthalmacanthus gemmiparus, Nees, loc. cit. Mexico {Hoenke). 7. Ruellia densiflora, Hemsley, n. sp. Foliis amplis, floribus brevissime pedicellatis in apicibus ramulorum congestis, calyce brevi 5-partito, corolla fere recta tubuloso-infundibulari, tubo infra medium gracili dein subito ampliato. Frutex 7, ramis crassiusculis, subtetragonis, canaliculatis, minute lepidotis. Folia tenuia, longe petiolata, oblongo-lanceolata vel ovato-lanceolata, cum petiolo usque ad 10 poll, longa et 34 poll, lata, utrinque attenuata, apice obtusa, subtus minute lepidota simul in venis primariis puberula, supra sub epidermide minute et densissime lineolata, venis primariis transversis conspicuis. Flores brevissime pedicellati (pedicellis vix lineam longis), ad apices ramulorum brevium axillarium et terminalium arete congesti (rhacbi incrassata 4-8 lineas longa pleio- ACANTHACE^. 505 sticha); calyx lepidotus, latiusculus, fere ad basin 5-partitus, segmentis linearibus, acutis, 2-3 lineas longis ; corolla extus puberula, simul primum minutissiine lepidota, tubuloso- infundibularisj fere recta, 2^3 poll, longa, tubo sursum usque ad medium gracili (I2-2 lineas diametro), dein subito ampliato (usque ad 9 lineas diametro), limbi lobis 5, subsequalibus, latis, rotundatis ; stamina 4 inclusa ; discus crassus, pulvinatus ; ovarium minute puberulum, loculis pauci (4?)-ovulatis ; stylus undique pilosulus. Capsulam non vidi. — Dipteracanthns tubiflorus, Seem. Bot. Voy. ' Herald/ p. 178, nee Nees. Panama, San Lorenzo, Veraguas (Seemann, 1162). Hb. Kew. Dr. Seemann referred his specimens to JDipteracanthus tubiflorus, Nees {Buellia tuliflora, H. B. K.), which is described as having solitary, axillary flowers ; and at the same time suggested that D. leucantJius, Nees, was the same species. We have the type of the latter before us ; and it ofiers most striking differences in its large calyx and corolla. 8. Ruellia geminiflora, H. B. K. Nov. Gen. et Sp. ii. p. 240 ; Griseb. Fl. Brit. W. Ind. p. 451. Dipteracanthns geminiflorus, Nees in Mart. Fl. Bras. fasc. vii. p. 40, et DC. Prodr. xi. p. 136. Gymnacanthus geminiflorus, CErst. in Vidensk. Meddel. 1854, p. 127. Mexico {EoenJce). — Southward to Peru and Brazil ; Cuba and Trinidad. 9. Ruellia hirsuto-glandulosa, Hemsley. Dipteracanthns hirsuto-glancdulosus, (Erst, in Vidensk. Meddel. 1854, p. 123; Walp. Ann. v. p. 648. South Mexico, Hacienda de Buena Vista, Vera Cruz, and Tehuacan (Liebmann). Probably the same as B. rosea. 10. Ruellia hookeriana, Hemsley. Dipteracanthns hookerianns, Nees in DC. Prodr. xi. p. 130. South Mexico, Sierra San Pedro Nolasco &c. [Jurgensen, 598). Hb. Kew. 11. Ruellia humifiisa, Hemsley. Dipteracanthns hnmifusns, CErst. in Vidensk. Meddel. 1854, p. 125 ; Walp. Ann. v. p. 648. South Mexico, Vera Cruz {Liebmann). [Dipteracanthus humilis, Seem. Bot. Voy. ' Herald,' p. 178, is different from the Brazilian plant.] 12. RueUia? hygrophiloides, Hemsley. Dipteracanthns hygrophiloides, Nees in DC. Prodr. xi. p. 131. Mexico {Ecenke). 13. RuelHa jUSSieUOideS, Hemsley. Arrhostoseylonjussieuoides, Nees in DC. Prodr. xi. p. 212. South Mexico, Colipa, Vera Cruz {Liebmann), Sierra San Pedro Nolasco &c. {Jurgensen, 942). Hb. Kew. 14. Ruellia lactea, Cav. Ic. Pi. iii. p. 28, t. 255. Cryphiacanthns lactens et C. macrosiphon, Nees in DC. Prodr. xi. p. 198. North Mexico, reg-ion of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 703); BIOL. CENTR.-AMEE., Bot., Vol. II., April 1882. 3 1 506 ACANTHACE^. South Mexico, around Oaxaca {Andrieux, 132), valley of Mexico {Bourgeau, 355), between Acatlan and Chila, Puebla {Andrieux, 134), Zimapan {Coulter, 1184, 1185). Hb. Kew. jS. acaulis, Nees in DC. Prodr. xi. p. 198. South Mexico, barren plains of Oaxaca, 5000 feet {Galeotti, 913), without locality {Christy). Hb. Kew. Perhaps a distinct species. 15. Ruellia? lanato-viscosa, Hemsley. Bipteracanthus lanato-viscosus, Nees in DC. Prodr. xi. p. 130. South Mexico, Puebla {Hhrenherg). 16. Ruellia longepetiolata, Hemsley. Dipter acanthus longepetiolatus, (Erst, in Vidensk. Meddel. 1854, p. 124; Walp. Ann. v. p. 648. South Mexico, Papantla {Liehmann). Hb. Kew. 17. Ruellia macrophylla, Vahl, Symb. ii. p. 72, t, 39. Stemonacanthus macrophyllus, Nees in DC. Prodr. xi. p. 305 ; Bot. Mag. t. 4448. South Mexico, Oaxaca ( GhieslregM) % — Colombia ; Venezuela ; Guiana ; West Indies. Hb. Kew. [Bipteracanthus macrophyllus, CErst. in Vidensk. Meddel. 1854, p. 125; Walp. Ann. V. p. 648, a Mexican plant, is diflFerent from the last ; but we have seen no authenticated specimen.] 18. RueUia? OValifolia, Hemsley. Cryphiacanthus ovalifolius, CErst. in Vidensk. Meddel. 1854, p. 129 ; Walp. Ann. v. p. 651. South Mexico, Oaxaca {Liehmann). 19. Ruellia paniculata, Linn. Sp. Pi. p. 885. Bipteracanthus paniculatus, Nees in DC. Prodr. xi. p. 142; Griseb. Fl. Brit. W. Ind. p. 451. South Mexico, between Laguna Verde and Actopan {Schiede) ; Nicaragua, Segovia {QUrsted), Acota {Tate, 293, 299). — Colombia to Noeth Brazil and in the West Indies. Hb. Kew. \E. parviflora, Hort., Justicia parviflora, Ort. Dec. i. p. 1, Bipteracanthus parvi- jiorus, Nees in DC. Prodr. xi. p. 123, seems to be Hendgraphis elegans, Nees, an Asiatic plant, and not Mexican.] 20. Ruellia parva, Hemsley. Ophthalmacanthus parvus, Nees in DC. Prodr. xi. p. 220. South Mexico, Teocomulco {KarwinsM), Zimapan {Coulter, 1179)? Hb. Kew. 21. RueUia pilosa, Pav., ex Nees. Bipteracanthus pilosus, Nees in DC. Prodr. xi. p. 127; Benth. PI. Hartw. p. 293. South Mexico, Leon {Hartweg). Hb. Kew. ACANTHACE^. 507 22. Ruellia pulcherrima, T. Anderson, MSS. in hb. Kew. Ophthalmacanthus speciosus, Nees in DC. Prodr. xi. p. 220. South Mexico, Tehuacan, Puebla, 5500 feet (Galeotti, 1042), Zimapan (Coulter, 1187), valley of Mexico {Bourgeau, 703). Hb. Kew. 23. Ruellia rosea, Hemsley. Ophthalmacanthus roseus, Nees in DC. Prodr. xi. p. 220. South Mexico, cactiferous mountains near Tehuacan, 5000 feet [Galeotti, 915), Zimapan {Coulter, 1186). Hb. Kew. 24. Ruellia ruMcaulis, Cav. Ic. Pi. v. p. 10, t. 417. Ruellia fcetida, Willd. Enum. PI. Hort. Berol. ii. p. 656; H. B. K. Nov. Gen. et Sp. ii. p. 240. Dipteracanthus rubicaulis, Nees in DC. Prodr. xi. p. 116. South Mexico, Acapulco (Humboldt & Bonplarid ; Sinclair), San Augustin (Liebmann). Hb. Kew. 25. Ruellia schlechtendaliana, Hemsley. Dipteracanthus schlechtendalianus, Nees in DC. Prodr. xi. p. 133. Gymnacanthus schlechtendalianus, CErst. in Vidensk. Meddel. 1854, p. 126 ; Walp. Ann. v. p. 639. Dipteracanthus procumbens, Nees, loc. cit. ? South Mexico, Hacienda de la Laguna (Schiede). Bourgeau's 2663 from Orizaba, and a specimen in Kew herbarium, from Pavon's herbarium, Isibelledjlmiuellia pilosa, de Mexico," may belong to this species. 26. Ruellia^emonacanthoides, Hemsley. Arrhostoxylum stemonacanthoides, CErst. in Vidensk. Meddel. 1854, p. 130; Walp. Ann. v. p. 651. Costa Eica, Aguacate and Jaris, 1600 to 3000 feet [(Ersted). 27. RueUia subcapitata, Hemsley. Dipteracanthus subcapitatus, Nees in DC. Prodr. xi. p. 723. NiCAKAGU.4, Kealejo (Sinclair). Hb. Kew. 28. Ruellia tuberosa, Linn. Sp. Pi. ii. p. 635 ; Descourt. Fl. Antill. ii. t. 113 ; Griseb. Fl. Brit. W. Ind. p. 452 ; A. Gr. Synop. Fl, N. Am. ii. p. 325. Cryphiacanthus barbadensis, Nees in DC. Prodr. xi. p. 197. Cryphiacanthus viscosus, CErst. in Vidensk. Meddel. 1854, p. 128 ? Ruellia clandestina, Linn. ; Dill. Hort. Elth. p. 328, t. 248. Texas. — Mexico, Mirador (Linden, 197 bis), Vera Cruz (Hahn, Bourgeau, Gouin). — Colombia to Peku and Guiajj^a and in the West In^dies. Hb. Kew. 29. Ruellia tubiflora, H. B. K. Nov. Gen. et Sp. ii. p. 241. Dipteracanthus tubiflorus, Nees in DC. Prodr. xi. p. 128 ; Seem. Bot. Voy. ' Herald/ p. 178. Panama, San Lorenzo, Veraguas (Seemann, 1162). — Colombia. Hb. Kew. This is probably Dipteracanthus leucanthus, Nees, and not B. tubifiorus. Cryphia- canthus tubiflorus, (Erst, in Vidensk. Meddel. 1854, p. 129, is unknown to us. It is a Mexican plant. 3^2 508 ACANTHACIL^. 30. Euellia tweediana, Griseb. Symb. ad Fl. Arg. p. 259 ? Cryphiacanthus angustifolius, Nees in DC. Prodr. xi. p. 199, saltern pro parte. South Mexico, Jalapa (Galeotfi). Hb. Kew. The Argentine plant may be a different species. 7. BLECHUM. Blechum, P. Br. Hist. Jam. p. 261 ; Benth. et Hook. Gen. Plant, ii. p. 1082. Herbs. According to Bentham and Hooker there are only four species, all indigenous in Tropical America, and one of them, £. brownei, occurring in the Philippine Islands and elsewhere, though probably introduced. We can only enumerate the published names. 1. Blechum angUStifolium, R. Br. Prodr. Fl. Nov. HoU. p. 478 ; DC. Prodr. xi. p. 467 ; Griseb. Fl. Brit. W. Ind. p. 453. Ruellia angustifolia, Sw. Fl. Ind. Oec. ii. p. 1070. Panama, banks of rivers (Seemann, 410). — Antilles. Hb. Kew. 2. Blechum brownei, Juss. in Ann. Mus. Par. ix. p. 270 ; DC. Prodr. xi. p. 466 ; (Erst, in Vidensk. Meddel. 1854, p. 168. Mexico ; Guatemala ; Hondukas ; Panama. — Southward to Ecuador and in the West Indies. Hb. Kew. 3. Blechum COStaricense, CErst. in Vidensk. Meddel. 1854, p. 168 ; Walp. Ann. V. p. 665. Costa Rica, Aguacate {(Ersted). 4. Blechum grandiflorum, CErst. in Vidensk. Meddel. 1854, p. 168 ; Walp. Ann. V. p. 665. Nicaragua, mountains of Pantasmo, Segovia ((Ersted). 5. Blechum haenkei, Nees in DC. Prodr. xi. p. 467. Mexico (Hcenke). 6. Blechum laxiflorum, Juss. in Ann. Mus. Par. ix. p. 270 ; DC. Prodr. xi. p. 467. Panama, Chagres (Fendler, 200). — Jamaica. Hb. Kew. 7. Blechum linnaei, Nees in DC. Prodr. xi. p. 465 ; CErst. in Vidensk. Meddel. 1854, p. 167. Mexico; Nicaragua; Panama. Hb. Kew. 8. Blechum mexicanum, CErst. in Vidensk. Meddel. 1854, p. 169 ; Walp. Ann. v. p. 665. South Mexico, Vera Cruz (Liebmann). ACANTHACiLa;. 5O9 8. SCLEEOCALYX. Sclerocalyx, Nees in Benth. Bot. Voy. 'Sulphur/ p. 145 j Benth. et Hook. Gen. Plant, ii. p. 1083. One shrubby species. 1. SclerOCalyx mexicana, Nees in Benth. Bot. Voy. ' Sulphur,' p. 145 ; DC. Prodr. xi. p. 219. South Mexico, Acapulco {Hinds), Oaxaca (Ghiesbreght). Hb. Kew. 9. TEICHANTHERA. Trichanthera, Kunth in H. B. K. Nov. Gen. et Sp. ii. p. 243 ; Benth. et Hook. Gen. Plant, ii. p. 1084. One arboreous species. 1. Trichanthera gigantea, Kunth ; DC. Prodr. xi. p. 218. Ruellia gigantea, Humb. & Bonpl. PI. iEquin. p. 75, t. 102. PAifAMA, near Cruces (Seemann, 399), Empire station (^S'. Hayes, 505). — Colombia to Peeu and Guiana. Hb. Kejv^. 10. BKAVAISIA. Bravaisia, DC. Eev. Bign. p. 16 ; Prodr. ix. p. 239 ; Benth. et Hook. Gen. Plant, ii. p. 1084. Onychacanthus, Nees in DC. Prodr. xi. p. 217. One arboreous species. 1. Bravaisia floribunda, DC. Prodr. ix. p. 240. Onychacanthus cumingii et O. berlandierianus, Nees in DC. Prodr. xi. p. 217. Onychacanthus speciosus, (Erst, in Vidensk. Meddel. 1854, p. 131 ; Walp. Ann. v. p. 652. South Mexico, Sierra San Pedro Nolasco &c. (Jurgensen, 96), Tampico {Serlandier), Tlacatalpan {Hahn) ; Guatemala {SJcinner) ; Nicaragua {Tate) ; Costa Eica, near Puntarenas {(Ersted). — Colombia to Peeu and in Teinidad. Hb. Kew. 11. ANDEOCENTEUM. Androcentrum, Lemaire in Fl. des Serres, 1847, Juin, Misc. n. 12 j Benth. et Hook. Gen. Plant, ii. p. 1084. An obscure plant. 1. Audroceutrnm mnltiflonim, Lemaire in Fl. des Serres, 1847, Juin, Misc. n. 12. Mexico {Qaleotti). 12. BAELEEIA. Barleria, Lion. Gen. Plant, n. 785 j Benth. et Hook. Gen. Plant, ii. p. 1091. About sixty herbaceous and shrubby species, the greater number inhabiting Asia and 510 ACANTHACE^. Tropical and South Africa ; the American species are almost confined to Mexico and the country southward to Colombia. 1. Barleria discolor, Nees in Benth. Bot, Voy. ' Sulphur,' p. 146, et DC. Prodr. xi. p. 224. Barleriopsis discolor, (Erst, in Vidensk. Meddel. 1854^ p. 134. South Mexico, Consoquitla {lAelmann), Cuernavaca {BilimeJc, 339); Costa Eica, Nicoya {Sinclair). Hb. Kew. 2. Barleria micans, Nees in Benth. Bot. Voy. ' Sulphur,' p. 146, et DC. Prodr. xi. p. 223. Barleriopsis micans, CErst. in Vidensk. Meddel. 1854^ p. 134. Barleriopsis glandulosa, OErst. loc. cit. ? South Mexico, Mirador {Linden, 188), Zacuapan and Oaxaca {Liebmann), Cuernavaca {Bourgeau, 1395) ; Guatemala {Skinner) ; Costa Eica, Cartago &c. {(Ersted) ; Panama, Empire station {S. Hayes, 605), near Cruces {Seemann, 415). — Colombia. Hb. Kew. 13. BEEGINIA. Berginia, Harv. ; Benth, et Hook. Gen. Plant, ii. p. 1096. A diminutive shrubby monotype. 1. Berginia virgata, Harv. ; Benth. et Hook. Gen. Plant, ii. p. 1097 ; A. Gr. Synop. Fl. N. Am. ii. p. 327. Arizona or North Mexico {Coulter, 603). Hb. Kew. 14. STENANDEIUM. Stenandrium, Nees in Lindl. Introd. Nat. Syst. ed. 2, p. 444 ; Benth. et Hook. Gen. Plant, ii. p. 1095. About eighteen herbaceous species, ranging from Mexico to Chili and Buenos Ayres. 1. Stenandrium chamseranthemoideum, (Erst, in Vidensk. Meddel. 1854, p. 139 ; Walp. Ann. v. p. 655. South Mexico, near Colipa and Hacienda de Santa Barbara, Vera Cruz {Liebmann). 2. Stenandrium dulce, Nees in DC. Prodr. xi. p. 282 ; A. Gr. Synop. Fl. N. Am. ii. p. 327. Ruellia dulcis, Cav. Ic. PI. vi. p. 62, t. 585. fig. 2. Crossandral fascicularis, Benth. PI. Hartw. p. 22. Florida {y&r.floridanum, A. Gr.j. — North Mexico, Lerios, east of Saltillo, at 10,000 feet {Palmer, 2030), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 703, in part) ; South Mexico, Lagos {Eartweg). — Colombia to Chili. Hb. Kew. ACAJSTTHACEiE, 511 15. STEOBILACANTHUS. Strobilacanthm, Griseb. in Bonplandia, vi. p. 10 ; Benth. et Hook. Gen. Plant, ii. p. 1096. A shrubby monotype. 1. Strobilacanthus lepidospermus, Griseb. in Bonplandia, vi. (1858) p. 10. Panama {Buchassaing). 16. EEANTHEMUM. Eranthemum, Linn. Gen. Plant, n. 23; Benth. et Hook. Gen. Plant, ii. p. 1097. Shrubs and undershrubs. About thirty species, inhabiting Tropical and South Africa, Tropical Asia, Australia, Pacific Islands, and Tropical America. 1. Eranthemum alatum, Nees in DC. Prodr. xi. p. 450. South Mexico, Tlacolula {Ehrenberg). 2. Eranthemum COrdatum, Nees in DC. Prodr. xi. p. 450. Panama, San Lorenzo, Veraguas {Seemarm, 1161). — Colombia. Hb. Kew. 3. Eranthemum CUSpidatum, Nees in Benth. Pi. Hartw. p. 148, et DC. Prodr. xi. p. 451. Thyrsacanthus lindenianus, Nees in DC. Prodr. xi. p. 326, fide Benth. et Hook. Gen. Plant, ii. p. 1119. South Mexico, Mirador {Idebmami) ; Costa Pica {(Ersted). — Venezuela ; Colombia ; Peru. Hb. Kew. 4. Eranthemum (Siphoneranthemum) fasciculatum, CErst. in Vidensk. Meddel. 1854, p. 166 ; Walp. Ann. v. p. 664. South Mexico, Mirador (Idebmann). 5. Eranthemum hispidulum, Nees in DC. Prodr. xi. p. 450. South Mexico, woods near Vera Cruz (Galeotti, 929). Hb. Kew. 6. Eranthemum prSBCOX, Benth. Pi. Hartw. p. 291. South Mexico, Santa Eosa, near Guanajuato (Rartweg). 7. Eranthemum, sp. 1 South Mexico, valley of Cordova {Bourgeau, 2112). Hb. Kew. 17. LEPIDAGATHIS. Lepidagathis, Willd. Sp. PI. iii. p. 400 j Benth. et Hook. Gen. Plant, ii. p. 1101. Herbs or shrubs. About fifty species, the greater number inhabiting India, the Malayan Peninsula, and Tropical Africa ; two only in America. 512 ACANTHACE^. I. Lepidagathis alopecuroidea, K. Br., ex Griseb. Fl. Brit. W. Ind. p. 453. Teliostachya alopecuroidea, Nees in PI. Bras. fasc. vii. p. 73 ; DC. Prodr. xi. p. 363. Nicaragua, Chontales {Tate); Panama, Empire station {S. Hayes, 508), Chagres [Fendler, 225). — And generally diffused in Teopical Ameeica and the West Indies. Hb. Kew. 18. APHELANDRA. Aphelandra, E. Br. Prodr. Fl. N. HoU. p. 475 ; Benth. et Hook. Gen. Plant, ii. p. 1103. An exclusively American genus of shrubs and herbs, numbering about fifty species, which are diffused from Mexico to Argentina. 1. Aphelandra acutifolia, Nees in DC. Prodr. xi. p. 299. South Mexico, Sierra San Pedro Nolasco &c. (Jurgensen, 648) ; Costa Rica (Endres). — Colombia to Peeu and Guiana. Hb. Kew. 2. Aphelandra aurantiaca, Lindl. Bot. Eeg. xxxi. t. 12 ; Bot. Mag. 4224 ; DC. Prodr. xi. p. 298. Hemisandra aurantiaca, Schiedw. in Bull. Acad. Brux. 1843, i. p. 33. South Mexico, Comaltepec (Liebmann), forests of Teapa, Tabasco (Linden, 177). Hb. Kew. 3. Aphelandra deppeana, Ch. et Schl. in Linnsea, v. p. 96 ; DC. Prodr. xi. p. 298. South Mexico, Hacienda de la Laguna {Schiede & Beppe), Consoquitla, near Mirador (Liebmann) 1 Hb. Kew. 4. Aphelandra hgenkeana, Nees in DC. Prodr. xi. p. 298. South Mexico, Mirador (Linden, 189), Cordillera of Vera Cruz, 2800 feet (Galeotti, 909), Comaltepec (Liebmann) ; Centeal Ameeica, without locality (Barclay). — Colombia. Hb. Kew. 5. Aphelandra hydromestus, Hemsley. Lagochilium hydromestus, Nees in DC. Prodr. xi. p. 391. Hydromestus maculatus, Schiedw. in Otto and Dietr. Allg. Gartenz. 1843, p. 385; Bot. Mag. t. 4556. StrobilorhacMs glabra, Kl. in Link, Kl. & Otto, Ic. PI. Rar. p. 117, t. 48. Mexico. 6. Aphelandra pectinata, Willd., ex Nees in DC. Prodr. xi. p. 297. South Mexico, Zacuapan (Liebmann), Acapulco (Hinds), Chiapas (Ghiesbreght) ; Guatemala (Friedrichsthal) ; Nicaeagua, near Granada ((Ersted) ; Costa Eica, Nicoya (Sinclair); Panama, Paraiso (S. Hayes, 538), Isle of Taboga (Sinclair), Santiago (Seemann, 237). — Colombia to Guiana and Peeu, and in the West Indies. Hb. Kew. ACANTHACE^. 513 7. Aphelandra pulcherrima, H. B. K. Nov. Gen. et Sp. ii. p. 236 ; DC. Prodr. xi. p. 295. South Mexico, Acapulco (HoenJce). — Colombia. 8. Aphelandra SChiedeana, Ch. et Schl. in Linnsea, v. p. 95 ; DC. Prodr. xi. p. 297. Lagochilium schiedeanum, Nees in Fl. Bras. fasc. vii. p. 87. South Mexico, Hacienda de la Laguna and Barranca de Tioselo (Schiede & Beppe), Orizaba {Botteri, 800; Bourgeau, 3099; Bilimek, 341). Hb. Kew. 9. Aphelandra Sinclairiana, Nees in Benth. Bot. Voy. ' Sulphur,' p. 146, t. 47; DC. Prodr. xi. p. 296. Panama, Chagres {Fendler, 209), San Juan {Seemann, 408). — Daeien. Hb. Kew. 10. Aphelandra (§ Platychila) tridentata, Hemsley, n. sp. Plus minus villoso-hirsuta, bracteis angustis quam flores triente brevioribus, corollse labiis subaequi- longis, postico integro, antico brevissime tridentato. Frutex vel herba undique plus minus hirsuta, ramis junioribus dense yillosis. Folia tenuia, longi- uscule petiolata, ovato-oblonga^ utrinque longe attenuata, acuta, cum petiolo usque ad 6 poll. longa, utrinque sparse pilosa, venis primariis transversis conspicuis. Flores circiter 20 lineas longi, in spicas breves simplices dispositi ; bracteae villosse, anguste oblongse, acute acuminatse, ssepius utrinque S-S-dentatae, 15-18 lineas longse ; bracteolss angustissimae, calycem aequantes ; calycis puberuli segmenta aequalia, acutissima, striolata ; corolla villosula, recta, alte 2-labiata ; labium posticum pauUo brevius, integrum; labium anticum latius, brevissime 3-dentatum; stamina vix exserta; antherae 1-loculares, basi mucronulatae ; filamenta plana, puberula; discus parvus ; ovarium glabrum, loculis 2-ovulati8 ; stylus puberulus. Capsulam non vidi. Costa Eica (Endres, 236, in part). Hb. Kew. This is very distinct from any other that we have examined, in the lower lip of the corolla being very shortly three-toothed. 11. Aphelandra verticillata, Nees in DC. Prodr. xi. p. 281, sub Crossandra hcenkeana. Mexico {Hcenke). 19. HOLOGUAPHIS. HolograpMs, Nees in DC. Prodr. xi. p. 738; Bentb. et Hook. Gen. Plant, ii. p. 1104. A shrubby monotype. 1. Holographis ehrenbergiana, Nees in DC. Prodr. xi. p. 728. South Mexico, Hacienda de Guadela (Ehrenberg), Zimapan (Coulter, 1211). Hb. Kew. 20. HABRACANTHUS. Habr acanthus, Nees in DC. Prodr. xi. p. 312; Bentb. et Hook. Gen. Plant, ii. p. 1106. Three or four shrubby species, inhabiting Mexico, Central America, and Colombia. BIOL, centr.-amer., Bot. Vol. II., April 1882. 3 u 514 ACANTHACE^. 1. Habracanthus Sylvaticus, Nees in DC. Prodr. xi. p. 312. South Mexico, Sierra San Pedro Nolasco {Jurgensen, 902), between San Bartolo and Pueblo Nuevo, Chiapas {Linden, 181); Costa Eica, Turrialva {(Ersted). Hb. Kew. 21. GLOCKERIA. Glockeria, Nees in DC. Prodr. xi. p. 728; Benth. et Hook. Gen. Plant, ii. p. 1106. Galeottia, Nees, loc. cit. p. 311, non A. Rich. Half-shrubs or herbs, restricted to Mexico and Central America. 1. Glockeria glandulosa, CErst. in Vidensk. Meddel. 1854, p. 141 ; Walp. Ann. V. p. 657. NiCAEAGUA, mountains of Pantasmo, Segovia [(Ersted). 2. Glockeria gracilis, Nees in DC. Prodr. xi. p. 728. (Tab. LXVII. figg. 6-14.) Galeottia gracilis, Nees, loc. cit. p. 311. South Mexico, Mirador {Linden, 197 ; Lielmann), Orizaba {Botteri, 1097), Cordillera of Vera Cruz, 2000 feet {Galeotti, 7050), valley of Cordova {Bourgeau, 2000). Hb. Kew. EXPLANATION OF TAB. LXVII. Figg. 6-14. Fig. 6, a flowering branch, natural sizej 7, a flower; 8, corolla, laid open; 9, a stamen; 10, upper portion of style and stigma; 11, a young fruit; 12, a ripe fruit; 13, a cross section through the placentas ; 14, a seed : aU enlarged. 3. Glockeria hsematodes, CErst. in Vidensk. Meddel. 1854, p. 141, t. 5. fig. 21 ; Walp. Ann. v. p. 657. Habracanthus hamatodes, Nees in DC. Prodr. xi. p. 312. Justicia TuBmatodes, Schl. in Linnsea, vii. p. 394. South Mexico, Cuesta Grande de Chiconquiaco {Schiede), Huitamalco {Liebmann). Hb. Kew. 4. Glockeria SeSSilifolia, CErst. in Vidensk. Meddel. 1854, p. 141 ; Walp. Ann. v. p. 657. Costa Eica. Volcan de Barba, 6000 feet {(Ersted). 22. EAZISEA. Razisea, (Erst, in Vidensk. Meddel. 1854, p. 142; Beuth. et Hook. Gen. Plant, ii. p. 1106. An herbaceous monotype. 1. Bazisea Spicata, CErst. in Vidensk. Meddel. 1854, p. 142, t. 5. fig. 22; Walp. Ann. V. p. 640. Costa Eica, Aguacate {(Ersted). ACANTHACE^. 515 23. HANSTEINIA. Hansteinia, (Erst, in Vidensk. Meddel. 1854, p. 142; Benth. et Hook. Gen. Plant, ii. p. 1107. A half-shrubby monotype. 1. Hansteinia gracilis, (Erst, in Vidensk. Meddel. 1854, p. 143, t. 5. figg. 23-26; Walp. Ann. v. p. 640. Costa Rica, mountains of Jaris {(Ersted). Hb. Kew. 24. CHiETOTHYLAX. Chp. 15, 1. 10 ; DC. Prodr. xi. p. 649. Guatemala {Skinner). — ^Venezuela to Peeu, Guiana, Teinidad, and Beazil. Hb. Kew. 2. .aigiphila brachiata, Ch. et Schl. in Linnsea, vi. p. 371 ; DC. Prodr. xi. p. 654 ; Seem. Bot. Voy. ' Herald,' p. 189. JEffiphila deppeana, Steud. Nomencl. Bot. ed. 3. South Mexico, near Estero {Schiede) ; Panama, David, Veraguas {Seemann, 1202). Hb. Kew. 3. .^giphila, sp. South Mexico, Vera Cruz to Orizaba {Muller, 1471). Hb. Kew. 4. .Xgiphila, sp. Costa Eica {Endres, 220), Hb. Kew. 13. PETITIA. Petitia, Jacq. Amer. p. 14, 1. 182; Benth. et Hook. Gen. Plant, ii. p. 1151. Three shrubby or arboreous species, inhabiting the West Indies and Mexico. VEEBENACE^. 539 1. Petitia oleina, Benth. et Hook. Gen. Plant, ii. p. 1152. Scleroon oleinum, Benth. in Bot. Reg. 1843, Misc. p. 65. Mexico. Cultivated in England from seed sent home by Hartweg. Hb, Kew. 14. CORNUTIA. Cornutia, Linn. Gen. Plant, n. 766; Benth. et Hook. Gen. Plant, ii. p. 1153. Tall shrubs. Six species are enumerated ; and they are spread nearly aU over Tropical America. 1. Cornutia grandifolia, Schauer, in DC. Prodr. xi. p. 682. Hosta grandifolia, Ch. et Schl. in Linnsea, v. p. 97. Hosta grandiflora, A. Dietr. Sp. PL i. p. 252. South Mexico, near Jalapa {Schiede & Beppe). 2. Cornutia longifolia, Spreng. Syst. Veg. i. p. 39; DC. Prodr. xi. p. 682, Hosta longifolia, H. B. K. Nov. Gen. et Sp. ii. p. 247. Mexico V 3. Cornutia pyramidata, Linn. Sp. Pi. p. 875; DC. Prodr. xi. p. 681, Hosta latifolia, H. B. K. Nov. Gen. et Sp. ii. p. 248. South Mexico, region of Orizaba {Miiller, 977 ; Bourgeau, 2504), Totutla {Linden, 141), Cordillera of Vera Cruz, at 4000 feet (Galeotti, 757); Guatemala, Volcan de Fuego, 3800 feet (Salvin), near Ingenio de Ayarza (Hartweg), without locality (Skinner); Pai^ama (S. Hayes, 88 ; Seemann, 257). — West Indies. 15. VITEX. Vitex, Linn. Gen. Plant, n. 790; Benth. et Hook. Gen. Plant ii, p. 1154. Trees and shrubs. About sixty species, generally diffused in warm regions, and extending into temperate Asia and the south of Europe. 1. Vitex flavens, H. B. K.l Hook, et Arn. Bot. Beech. Voy. p. 305. Mexico (Beechey). This is not true V. flavens ; but the specimen is too imperfect to determine. 2. Vitex floridula, Duchass. et Walp. in Walp. Ann. iii. p. 240. Panama, without locality (Buchassaing), Paraiso (S. Hayes). Hb. Kew. 3. Vitex gigantea, H.B. K. Nov. Gen. et Sp. ii. p. 245; DC. Prodr. xi, p, 688. Central America (Barclay). — Colombia ; Ecuador. Hb. Kew. 4. Vitex mollis, H. B. K. Nov. Gen. et Sp. ii. p. 245 ; Seem, Bot. Voy. ' Herald,' p. 329, t. 71. Vitex lasiophylla, Benth. Bot. Voy. ' Sulphur/ p. 155. North Mexico, Sierra Madre (Seemann, 2117); South Mexico, Manzanilla Bay 3^2 540 VERBENACEiE. {Barclay), San Bias to Guadalajara {Coulter, 1168), Cuernavaca {BilimeJc, 80, 82), Acapulco {Beechey), Chilpancingo, at about 4250 feet {Humboldt & Bonpland). Hb. Kew. 5. Vitex, sp. "Mexico" {Jurgensen, 68). Hb. Kew. This is a very distinct species ; but we suspect it is from Colombia rather than Mexico. 16. CLERODENDRON. Clerodendron, Linn. Gen. Plant, n. 789; Benth. et Hook. Gen. Plant, ii. p. 1155. A large genus of trees and shrubs, comprising about seventy species, mostly in the Old World, and chiefly concentrated in Asia. 1. Clerodendron acnleata, Griseb. Fl. Brit. W. Ind. p. 500. Volkameria aculeata, Linn. Sp. PI. p. 889; DC. Prodr. xi. p. 656; Jacq. Amer. t. 117. Guatemala, San Jose {S. Hayes, 614). — Cuba to Guiana and Bbazil. Hb. Kew. [^Clerodendron fragrans, Vent. Jard. Malm, t. 70, Bot. Mag. 1. 1834, a Chinese species, is cultivated and naturalized in Mexico and other parts of America.] 2. Clerodendron ligustrinmn, E. Br. in Ait. Hort. Kew. ed. 2, iv. p. 64 ; DC. Prodr. xi. p. 660. Volkameria ligustrina, Jacq. Coll. Suppl. p. 118, t. 5. fig. 1. South Mexico, Tampico {Berlandier), Tlacaltapan {Hahn), Yucatan and Tabasco {Johnson). Hb. Kew. 3. Clerodendron, sp. Panama, Chagres {Fendler, 300). Hb. Kew. 4. Clerodendron, sp. Guatemala, between Esquipulas and Jupilingo {Bernoulli, 748). Hb. Kew. This and the last are distinct species ; but the material is poor. 17. AVICENNIA. Avicennia, Linn. Gen. Plant. App. n. 1237; Benth. et Hook. Gen. Plant, ii. p. 1160. About three or four shrubby species, widely dispersed on tropical sea-shores. 1. Avicennia tomentosa, Jacq. Amer. p. 178, t. 112. fig. 2; DC. Prodr. xi. p. 699. North Mexico, mouth of the Eio Grande {Schott); South Mexico, Campeachy {Humboldt & Bonpland) ; Guatemala {Friedrichsthal).—CohOMSik to Beazil and in the West Indies. Hb. Kew. LABIATE. 541 Order CIV. LABIATiE. LabiatcR, Benth. et Hook. Gen. Plant, ii. p. 1160. This order comprises 136 genera and about 2600 species, spread all over the world, though rare in the very coldest regions; most numerous in the eastern part of the Mediterranean region, A very large proportion of them are herbaceous plants or dwarf shrubs, 1. OCIMUM. Ocimmi, Linn. Gen. Plant, n. 732; Benth. et Hook. Gen. Plant, ii. p. 1171. Herbs, half-shrubs, or dwarf shrubs. About forty species, widely dispersed in warm countries, 1, Ocimum Campechianmn, Mill. Diet, n, 5 ; DC, Prodr. xii. p. 40. South Mexico, Campeachy (ex Miller) ; New Spain (Mogino & Sesse). 2. Ocimum carnOSUm, Link et Otto ; Benth. Lab. p. 11 ; DC. Prodr. xii, p, 38. New Spain {Mogino & Sesse). — Brazil, 8. Ocimum micranthum, Willd. Enum. PL Hort. Berol. p. 630 ; DC. Prodr. xii. p. 40, Flokida, — NicAEAGUA, Granada {(Ersted); Panama, Chdi^xes {Fendler,2Z^), Isle of Taboga (Seemann, 1101). — Tropical South America and the West Indies. Hb. Kew. 4. Ocimum Sellowii, Benth. Lab. p, 6 ; DC. Prodr, xii. p, 37 ; Griseb, Fl, Brit. W, Ind. p. 487. South Mexico, Jalapa, at 4000 feet (Galeotti, 615 ; Schiede & Beppe), region of Orizaba {Botteri, 644 ; MiUler, 1035), valley of Cordova {Bourgeau, 1593). — Brazil. Hb. Kew. 2. CATOPHERIA. Catopheria, Benth. {Orthosiphonis sect. Catoferia, Benth. in DC. Prodr. xii. p. 53), Benth. et Hook. Gen. Plant, ii. p. 1173. Three herbaceous species, inhabiting Mexico, Central America, and Colombia, 1. Catopheria chiapensis, A. Gr,, ex Benth. in Hook. Ic, sub t. 1215, South Mexico, Chiapas [Ghieshreght, 157), Hb. Kew. 2. Catopheria Capitata, Benth. in Benth. et Hook. Gen, PI, ii. p. 1173. Orthosiphon capitatus, Benth. Lab. p. 29; DC. Prodr, xii, p, 53. New Spain {Mogino & SessS). — Ecuador, 542 LABIATE. 3. MAESYPIANTHES. Marsypianthes, Mart, in Benth. Lab. p. 64; Benth. et Hook. Gen. Plant, ii. p. 1178. Two or three herbaceous species, widely dispersed in Tropical America, 1. Ularsypiantlies hyptioides, Mart, in Benth. Lab, p. 64 ,- DC, Prodr, xii, p, 84 ; Hook. Ic. PI. t. 457. Marsypianthes secundiflora, Mart, et Gal. in Bull. Acad. xi. (reprint^ p. 1). South Mexico, Cordillera of Oaxaca and Cordillera of Vera Cruz, at 3000 feet (Galeotti, 626, 659), Mirador {Linden, 127); Guatemala, declivities near the city of Guatemala {Hartweg, 608) ; Costa Rica {Endres, 94) ; Panama, near Old Panama {Seemann, 264). — Generally diffused in Tropical South America and the West Indies. Hb. Kew. 4. HYPTIS. Hyptis, Jacq. Collect, i. p. 101 ; Benth. et Hook. Gen. Plant, ii. p. 1178. About 250 herbaceous and shrubby species, spread over the warmer parts of America ; most numerous in Brazil. Several species are cultivated, and have become naturalized in other parts of the world. It is possible, however, that some of the species are indigenous in Tropical Africa. There is a considerable number of unnamed Mexican specimens in Kew herbarium, representing probably some undescribed species. 1. Hyptis albida, H. B. K. Nov. Gen. et Sp. ii. p. 319 ; DC. Prodr. xii. p. 127. NoETH Mexico, Sierra Madre [Seemann, 2073) ; South Mexico, Guanajuato {Hartweg, 173), San Bias to Tepic {Coulter, 1121), without locality {Parkinson). Hb. Kew. 2. Hyptis atrorubens, Poit. Ann. Mus. Par, vii. p. 466, t. 27. fig, 3 ; DC. Prodr, xii. p. 108. Hyptis procumbens, Ch. et Schl. in Linnsea, v. p. 101. South Mexico, Orizaba {Botteri, 608), Cordillera of Vera Cruz, 3000 feet {Galeotti, 621), valley of Cordova {Bourgeau, 1604). — West Indies ; Guiana ; Beazil ; and in Western Tropical Afeica. Hb. Kew. 3. Hyptis brevipes, Poit. Ann. Mus. Par. vii, p. 465 ; DC. Prodr. xii. p. 107. Mexico {Schiede). — Generally diffused in Tropical South America and the West Indies ; also occurring in Tropical Africa and Asia, Hb. Kew. 4. Hyptis capitata, Jacq. Ic. Ear. i. t. 114 ; DC. Prodr. xii. p. 106 ; Poit. in Ann, Mus, Par. vii. p. 464, t, 27. fig. 1. South Mexico, Orizaba {Salle), Yucatan and Tabasco {Johnson, 53) ; Nicaragua, Chontales {Seemann, 89) ; Panama, Chagres {Fendler, 231), Empire station {S. Hayes, 324), near the city of Panama {Seemann, 255). — Generally dispersed in Tropical South America and the West Indies, also in the Galapagos. Hb, Kew, LABIATiE. 543 5. Hyptis emoryi, Ton. Bot. Ives's Colorad. Exped. p. 20 ; A. Gr. Synop. Fl. N. Am. ii. p. 350. Arizona ; California. — North Mexico (ex A. Gray). 6. Hyptis excelsa, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 4) ; DC, Prodr. xii. p. 111. South Mexico, Cordillera of Vera Cruz, 8000 feet [Galeotti, 624), Mirador [Linden, 125), Orizaba [Botteri, 617), Sierra San Pedro Nolasco &c. (Jurgensen, 723) ; Nica- ragua, Granada (CErsted, 32). Hb. Kew. 7. Hyptis ferruginea, Benth. Lab. p. 113; DC. Prodr. xii. p. 111. New Spain (Mopino & SessS) ; Costa Rica, Volcan de Irazu {(Ersted). Hb. Kew. 8. Hyptis involucrata, Benth. Lab. p. 103 ; DC. Prodr. xii. p. 109. South Mexico, Sultepec (KarwinsM). 9. Hyptis lantanSBfolia, Poit. in Ann. Mus. Par. vii. p. 468, t. 29. fig. 1 ; DC. Prodr. xii. p. 110. South Mexico, without locality [Jurgensen, 725) ; Nicaragua, Chontales [Tate, 420) ; Costa Eica, Cartage [(Ersted) ; Panama [Cuming). — Southward to Peru and Brazil, and in the West Indies. Hb. Kew. 10. Hyptis lilacina, Ch. et Schl. in Linnsea, v. p. 101 ; DC. Prodr. xii. p. 123. South Mexico, near Jalapa [Schiede & Depjpe) ; Guatemala, Zunil [Hartweg, 555), without \oc&\\ij [Skinner ; Bernoulli); Costa Eica [Endres, 2; (Ersted, 23, 25, 52). Hb. Kew. 11. Hyptis macrocephala, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 2) ; DC. Prodr. xii. p. 109. South Mexico, Michoacan [Galeotti, 705). 12. Hyptis mociuiaua, Benth. Lab. p. 129 ; DC. Prodr, xii. p. 128. New Spain [Mogino & SessS) ; Costa Eica [(Ersted). Hb. Kew. 13. Hyptis nicaraguensis, CErst. in Vidensk. Meddel. 1853, p. 34. Nicaragua, Granada [(Ersted). 14. Hyptis Oblongifolia, Benth. in DC. Prodr. xii. p. 125. South Mexico, without locality [Jurgensen). Hb. Kew. 15. Hyptis Odorata, Benth. Lab. p. 81 ; DC. Prodr. xii. p. 89. South Mexico, Orizaba [Botteri, 881).— Colombia; Peru. Hb. Kew. 16. Hyptis parkeri, Benth. Lab. p. 108 ; DC. Prodr. xii. p. 108. Guatemala [Friedrichsthal). — Gul^na; Brazil. Hb. Kew. 544 LABIATE. 17. Hyptis pectinata, Poit. in Ann. Mus. Par. vii. p. 474, t. 30 ; DC. Prodr. xii. p. 127. Nepeta pectinata, Linn. Sp. PI. p. 799. South Mexico, Orizaba {Botteri, 645), Tenancingo, valley of Toluca {Schaffner); NiCAHAGUA, Chen tales {Tate, 174) ; Costa Eica, Cartago {(Ersted) ; Panama, Chagres {Fendler, 222). — Common and generally dispersed in Tropical South America and the West Indies, also in Tropical and South Afeica. Hb. Kew. 18. Hyptis polystachya, H. B. K. Nov. Gen. et Sp. ii. p. 321 ; DC. Prodr. xii. p. 121. South Mexico, Mirador and Zacuapan, 2500 to 3000 feet (Galeotti, 620), San Bias to Tepic (Sinclair) ; Guatemala [Skinner). — Colombia ; Pbeu ; Bolivia. Hb. Kew. 19. Hyptis pubescens, Benth. Lab. p. 129 ; DC. Prodr. xii. p 128. New Spain [Mogino & SessS). 20. Hyptis pulegioides, Pohl in Benth. Lab. p. 128 ; DC. Prodr. xii. p. 127. Costa Rica, Aguacate ((Ersted, 19). — Brazil. Hb. Kew. 21. Hyptis radiata, Willd. Sp. Pi. iii. p. 84 ; Ann. Mus. Par. vii. t. 27. fig. 2 ; DC. Prodr. xii. p. 109 ; A. Gr. Synop. Fl. N. Am. ii. p. 350. North Carolina to Texas. — " Mexico, hb. Pavon." Hb. Kew. 22. Hyptis recurvata, Poit. in Ann. Mus. Par. vii. p. 467, t. 28. fig. 1 ; DC. Prodr. xii. p. 90. South Mexico, valley of Cordova (Bourgeau, 2220), region of Orizaba (Muller, 477 ; Botteri, 61Q) ; Nicaragua, Chontales (Taife, 419). — Colombia; Guiana; Brazil. Hb. Kew. 23. Hyptis rhomboidea, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 4) ; DC. Prodr. xii. p. 110. South Mexico, near Vera Cruz (Galeotti, 679). 24. Hyptis rhytidea, Benth. PI. Hartw. p. 21 ; DC. Prodr. xii. p. 118 ; Seem. Bot. Voy. 'Herald,' p. 327. North Mexico, Cerro de Pinal (Seemann, 1497) ; South Mexico, Aguas Calientes (Hartweg), San Bias to Tepic (Sinclair). Hb. Kew. 25. Hyptis spicata, Poit. Ann. Mus. Par. vii. p. 474, t. 28. fig. 2 ; DC. Prodr. xii. p. 121 ; A. Gr. Synop. Fl. N. Am. ii. p. 350. Hyptis aspera, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 5) . Florida. — North Mexico, Sonora (Thurber); South Mexico, region of Orizaba (Botteri, 650 ; Bourgeau, 3032), valley of Cordova (Bourgeau, 1549, 1590, 1592), San Bias to Tepic (Sinclair), Vera Cruz (Linden, 73, 128 ; Galeotti, 620) ; Nicaragua, LABIATE. 545 neighbourhood of Granada {Levy, 189) ; Costa Etca ((Ersted, 41 ; Endres, 12, 245) ; Panama, Chagres (Fendler, 226). — Tkinidad and southward to Buenos Atebs. Hb. Kew. 26. Hyptis spicigera, Lam. Diet. iii. p. 185; DC. Prodr. xii. p. 87 ; A, Gr. Synop. Fl. N. Am. ii. p. 350 ; Descourt. Ant. viii. t. 581. Flokida ("perhaps introduced," A. Gray). — Panama, Empire station (S. Hayes, 436), — ^Tropical South America and the West Indies ; also Tropical Africa and Asia. Hb. Kew. 27. Hyptis Spinulosa, Benth. Lab. p. 129 ; DC. Prodr, xii, p. 128, non p. 124, New Spain (Mopino & Sesse). 28. Hyptis Stellulata, Benth. Lab. p. 129 ; DC. Prodr. xii. p. 128, South Mexico, region of Orizaba [Muller, 598 ; Bourgeau, 3046 ; Sotteri, 647), Cordillera of Oaxaca, 4000 to 5000 feet (Galeotti, 7137), valley of Mexico (Bourgeau, 1277), Cuernavaca (Berlandier), Aguas Calientes (Rartweg). Hb. Kew. /3. Sinclairi, Benth. in DC. Prodr, xii. p. 128. South Mexico, Acapulco (Sinclair). Hb. Kew. 29. Hyptis SUaveolenS, Poit. in Ann. Mus. Par. vii. p, 472, t. 29, fig, 2 ; DC, Prodr. xii. p. 126. Ballota suaveolens, Linn. ; Jacq. Hort. Vindob. iii. t. 42. Nicaragua, Chontales (Tate, 284), Realejo (Sinclair) ; Panama (S. Hayes, 336 ; Seemann, 250). — Common in Tropical South America and the West Indies, also in India. Hb. Kew. 30. Hyptis tomentOSa, Poit. in Ann. Mus. Par. vii. p. 469; DC. Prodr. xii. p. 131. South Mexico, Oaxaca (Ghiesbreght), between Tehuacan and Oaxaca, at 3000 to 4000 feet (Galeotti, 7155), without locality (Jurgensen, 7). Hb. Kew. 31. Hyptis umbrosa, Salzm. in Benth, Lab. p. 125 ; DC. Prodr. xii. p. 124. Panama, Santiago de Veraguas (Seemann, 252). — Colombia to Peru, Guiana, and Brazil. Hb. Kew. 32. Hyptis urticoides, H. B. K, Nov, Gen. et Sp, ii, p, 320 ; DC, Prodr. xii. p. 123. South Mexico, region of Orizaba (Bourgeau, 3161 ; Botteri, 646), Cordillera of Vera Cruz, at 3000 feet (Galeotti, 625); Guatemala, Volcan de Fuego, at 4950 feet (Salvin). Hb, Kew. 33. Hyptis verticillata, Jacq. Ic. Ear. i. 1. 113 ; DC. Prodr. xii. p. 129 ; Hook. Ic. PI. t. 458. Hyptis parviflora, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 3). BIOL, cente.-amek., Bot, Vol. II., June 1882. 4 a 546 LABIATiE. South Mexico, Vera Cruz {Galeotti, 677), Tabasco {Linden, 141); Nicakagua, Greytown {Tate, 363) ; Panama, around the city of Panama {Seemann, 256 ; S. Hayes, 194). — Colombia; Guiana; Brazil; Jamaica. Hb. Kew. 34. Hyptis viejensis, CErst. in Vidensk. Meddel. 1853, p. 34. Nicaragua, Volcan el Viejo {(Ersted). 35. Hyptis VUlcanica, Seem. Bot. Voy. 'Herald,' p. 188. Panama, Volcan de Chiriqui {Seemann, 1603). Hb. Kew. 5. MENTHA. Mentha, Uanx, Gen. Plant, n. 713 ; Benth. et Hook. Gen. Plant, ii. p. 1182. About twenty-five herbaceous species, inhabiting the temperate regions of both hemispheres, and also represented within the tropics in the Old World. 1. Mentha canadensis, Linn. Sp. PL p. 577 ; DC. Prodr. xii. p. 173 ; A. Gr. Synop. Fl. N. Am. ii. p. 352. Canada southward. — Mexico, Tacubaya {Schaffner). Hb. Kew. [M. arvensis, Linn., and M. rotundifolia, Linn. {M. mexicana. Mart, et Gal.), Euro- pean species, are naturalized in some parts of Mexico.] 6. CUNILA. Cunila, Linn. Gen. Plant, n. 35, pro parte; Benth. et Hook. Gen. Plant, ii. p. 1183. About twelve herbaceous and shrubby species, inhabiting North America, Mexico, and Brazil. 1. Cunila leucantha, Benth. Lab. p. 361; DC. Prodr. xii. p. 181. Mexico. 2. Cunila lythrifolia, Benth. in. Bot. Eeg. XV. sub t. 1289; DC. Prodr. xii. p. 181. South Mexico, valley of Mexico {Bourgeau, 861 ; Schaffner, 408), without locality {Bates), Cordillera of Guichilapa {Berlandier). Hb. Kew. 3. Cunila polyantha, Benth. Lab. p. 362 ; DC. Prodr. xii. p. 181. Mexico {Berlandier ; Schiede & Dep-pe ; Sumichrast) ; Guatemala, Volcan de Fuego, at 6500 feet and at 10,500 feet {Salvin). Hb. Kew. The Guatemalan plant may be specifically different from the Mexican. 4. Cunila Stachyoides, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 6) ; DC. Prodr. xii. p. 181. South Mexico, Orizaba {Galeotti, 711). LABIATE. 547 7. MICROMERIA. Micromeria, Benth. in Bot. Reg. sub t. 1282; Benth. et Hook. Gen. Plant, ii. p. 1188. Undershrubs or herbs. About sixty species, chiefly concentrated in the Mediter- ranean region; one is South- African ; and several occur in North-west America, Mexico, the West Indies, and Andine South America. The genus is apparently not represented in Brazil and the Indo-Australian region. 1. Micromeria brownei, Benth. Lab. p. 372 ; DC. Prodr. xii. p. 223 ; A. Gr. Synop. Fl. N. Am. ii. p. 359 ; Fl. Bras. viii. t. 32. Florida; Texas.— North Mexico, Nuevo Leon (Palmer) ; South Mexico, Vera Cruz to Orizaba (Muller, 104, 1149) ; Guatemala (Bernoulli, 207).— Venezuela ; Ecuador ; Jamaica. Hb. Kew. 2. Micromeria xalapensis, Benth. Lab. p. 372 ; DC. Prodr. xii. p. 223. Thymus xalapensis, H. B. K. Nov. Gen. et Sp. ii. p. 316. North Mexico, Monterey (Eaton & Edwards) ; South Mexico, near Jalapa (Hum- boldt & JBonpland; ScUede & JDeppe; Galeotti, 619), Orizaba (Botteri, 615), valley of Cordova (Bourgeau, 1808) ; Guatemala, Volcan de Fuego, 4600 to 5000 feet (Salvin). Hb. Kew. The specimen from Guatemala looks a little different. 3. Micromeria Stolonifera, Benth. Lab. p. 371 ; DC. Prodr. xii. p. 223. New Spain (Mogino & Sess6). 8. HEDEOMA. Hedeoma, Pers. Syn. ii. p. 131 ; Benth. et Hook. Gen. Plant, ii. p. 1188. About fifteen species of herbs and small shrubs, inhabiting North and South America. 1. Hedeoma costata, Hemsiey, n. sp. Nana, basi suffruticosa, tota plus minus albo-pilosa, foliis parvis rhomboideis vel elliptieis dentatis subtus prominenter costatis, verticillastris paucifloris, calyce prominenter 13-nervi curvato sub- bilabiato, dentibus 2 anticis pauUo longioribus^ coroUae tuljo leviter exserto angusto, stami- nodiis minutis clayatis, stylo insequaliter bilobo. Herba perennis, basi suffruticosa, omnino plus minus albo-pilosa, ramis numerosis, adscendentibus, in specimine unico Ghiesbregbtiano vix 4-polliearibu8, internodiis brevissimis. Folia sub- coriaceaj breviter petiolata, rhomboidea vel elliptica, ad 3 lineas longa, dentata, subtus promi- nenter 7-costata. Mores purpurei vel rosei, 8-9 lineas longi j verticillastri pauciflori, densi ; calyx prominenter 13-nervus, curvatus, subinflatus, supra medium constrictusj subbilabiatus, dentibus acerosis, ciliatis, 2 anticis longioribus ; corollse tubus angustus, breviter exsertus, extus pubernlxis, intus exannulatus, labio postico bifido, antico fere sequaliter trilobato; stamina 2 antica fertilia ; staminodia minuta^ clavata ; stylus insequaliter bifidus, lobo postico brevissimo. Nucula oblongse, Iseves. North Mexico, east of Saltillo, at 10,000 feet (Palmer, 1059) ; South Mexico, Chiapas &c. (GMeshreght, 815). Hb. Kew. 4a2 548 LABIATiE. We have seen only one specimen of this, but it seems a very distinct species, having small strongly ribbed leaves. Since the foregoing was written we have received Palmer's 1059, which appears to be the same species, though it is much less pilose. 2. Hedeoma dentata, Torr. Bot. U.S. & Mex. Bound, Surv. p. 130 ; A. Gr. Synop. Fl. N. Am. ii. p. 363. Aeizoi^ A. — NoETH MEXICO, at Santa Cruz, Sonora, within the old boundary {Thurber). 3. Hedeoma drummondii, Benth. Lab. p. 308 ; DC. Prodr, xii. p. 245 ; A. Gr. Synop. Fl. N. Am. ii. p. 362. CoLOEADO and Nebeaska to Texas and Aeizona. — Noeth Mexico, Monclova, Coahuila {Palmer, 1057), Chihuahua {Wright), Monterey {Berlandier), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 738). Hb. Kew. 4. Hedeoma hySSOpifolia, A. Gr. Proc. Am. Acad. xi. p. 96 ; Synop. Fl. N. Am. ii. p. 363. Aeizojsta. — Noeth Mexico, on Mount Graham, within the old boundary {Rothrock). Hb. Kew. 5. Hedeoma palmeri, Hemsley, n. sp. (Tab. LXIX. B. figg. 6-9.) Hirsuta^ caule procumbente radicante, ramis numerosis erectis vel adscendentibus, foliis orbiculari- oblongis lis Origani vulgaris simillimis, verticillastris usque 20-34-floriSj calyce subsequaliter 5-deiitato leviter curvato, corollas tubo (longiore quam calyx) intus extusque plus minusve hirsuto, labio postico bifido, antico fere sequaliter trifido, staminodiis minutis. Herba perennis, hirsuta, basi suflFrutescens, caale procumbente, radicante, ramis numerosis, erectis vel adscendentibus, usque sesquipedalibus, graciliusculis, in exemplariis nostris purpuieis. Folia petiolata (iis Origani vulgaris simillima) elliptico-oblonga vel orbicularia, cum petiolo 6-12 lineas longa vel inferiora interdum ultra, Integra vel remote denticulata. Flo'res parvi, purpurei ; verticillastri densi^ in axillis foliorum supremorum breviter pedunculati, usque 20-24-flori; bractese lineares, pilosse; calyx albo-pilosus, subsequaliter 5-dentatus, leviter curvatus, 13-nervis; tubus intus. glaber, fauce villosa, post anthesin clausa; dentes subulati, erecti, tubo pauUo bredores ; corollse tubus calyce pauUo longior, intus sparse puberulus, exannulatus, extus hirsutus, labio postico erecto bifido, apice extus barbato, labio antico patente, fere sequaliter trilobo, lobo intermedio longiore ; stamina 2 antica perfecta breviter exserta; antherarum loculi divaricati; staminodia minuta, filiformiaj stylus bifidus, lobis valde insequalibus, postico fere obsoleto. Nuculce oblongse, subtrigonae, Iseves. Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 728). Hb. Kew. EXPLANATION OP TAB. LXIX. B. Fig. 6, a flower ; 7, a corolla, laid open ; 8, upper filament and anther ; 9, pistil and disk : all enlarged. 6. Hedeoma piperita, Benth. Lab. p. 730 ; DC. Prodr. xii. p. 245. New SPAm {Mogino & Sesse); South Mexico, Real del Monte {Coulter, 1082)? Hb. Kew. LABIATE. 549 7. Hedeoma rotundifolia, Hemsiey, n. sp. Cano-pubescenSj ramis vel caulibus erectisj foliis pards petiolatis crassiusculis orbicularibus vel ellipticisj verticillastris usque 30-floris subracemosis, calyce subsequaliter profunde 5-dentato, corollEe pilosulse tubo breviore quam calyx intus antice furfuraceo, labio postico integrOj antico trilobate, lobis lateralibus latioribusj staminodiis mmimis. Herba perennis (?), cano pubescens, ramis vel caulibus erectis, pedalibus. Folia petiolata, crassi- usculaj orbicularia vel elliptica, cum petiolo 4-6 lineas longa^ Integra, margine recurva, subtus preecipue cano vel albido pubescentia vel villosula. Flores parvi ; verticillastri densi^ sub- racemosij usque 30-flori ; bractese lineares^ pilosse ; calyx albo vel cano pilosus, subaequaliter 5-dentatuSj 13-nervis ; tubus intus glaber, fauce villosa post anthesin clausa ; dentes subulati, erecti, tubo paullo breviores ; corollse pilosulse tubus calyce paulo brevior, intus antice fur- furascens, exannulatus, labio postico erecto^ integro, antico trilobato, lobis lateralibus multo latioribusj intermedio basi cuneato^ apice dilatato, emarginato ; stamina 2 antica perfecta breviter exserta ; antherarum loculi connectivo crassiusculo divaricati ; staminodia minima ; stylus inaequaliter bifidus. Nuculce ovato-oblongEBj Iseves. South Mexico, Zimapan {Coulter, 1081). Hb. Kew. This is closely allied to H. palmeri, differing in its thicker foliage, shorter corolla- tube with a broader lower lip and entire upper lip, and in its very minute staminodes. 8. Hedeoma tenella, Hemsiey, n. sp. Ramis procumbentibus gracillimis puberulis, foliis petiolatis ovatis dentatis, verticUlastris paucis in apicibus ramorum, corollse tubo angustissimo longe exserto. Herba, ut videtur, perennis, ramis procumbentibus, filiformibus, leviter puberulis, 6-9 poll, longis. Folia longe graciliterque petiolata, tenuia, glabrescentia, ovata, cum petiolo usque ad 10 lineas longa, Integra vel paucidentata, obtusa vel rotundata, subtus ssepe purpurea. Flores purpurei, elongati, ad 10 lineas longi; verticillastri pauci, pauciflori, in apicibus ramorum congesti; calyx pilosus, subsequaliter 5-dentatus, 13-nervis, dentibus subulatis, fauce villosa; corolla angustissima extus puberula, quam calyx triplo longior, intus exannulata, labio postico emarginato vel bifido, antico subsequaliter trilobato, lobis omnibus latis rotundatis ; stamina perfecta 2, antheris approximatis ; staminodia minima. Nuculce oblongse, Iseves. North Mexico, Guajuco, Nuevo Leon {Palmer, 1060). Hb. Kew. 9. POLIOMINTHA. Poliomintha, A. Gr. in Proc. Am. Acad. viii. pp. 395, 365 ; Benth. et Hook. Gen. Plant, ii. p. 1189. About six half-shrubby species, inhabiting the Texano-Mexican region. 1. Poliomintha glabrescens, A. Gray, MSS. " Fruticulosa, primum tomentuloso-canescens, mox glabrata; foliis crebris parvis (Un. 3-5 longis) oblongo-linearibus obtusissimis eveniis supra viridibus cito glabris utrinque eximie punctatis ; calycis dentibus sublanceoiatis obtusiusculis, tubo plus dimidio brevioribus, semper erectis ; corolla extus villosa, tubo iucluso intus piloso-annulato ; staminodiis exiguis." NoETH Mexico, Soledad, twenty-five miles south-west of Monclova, Coahuila {Palmer, 1056). Hb. Kew. 2, Poliomintha incana, A. Gr. in Proc. Am. Acad. viii. p. 296. Hedeoma incana, Torr. Bot. U.S. & Mex. Bound. Surv. p. 130. Utah to Texas.— North Mexico, Sonora {Parry). 550 LABIATE. 3. Poliomintha longiflora, A. Gr. in Proc Am. Acad. viii. p. 296. NoETH Mexico, without locality {Gregg, 313). Hb. Kew. 4. Poliomintlia marifolia, A. Gr. in Proc. Am. Acad. viii. p. 365. Keiihia marifolia, Schauer iu Linnsea, xx. p. 705. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 ieei{Parry & Palmer, 749) ; South Mexico, Zimapan {Aschenborn, 212 ; Coulter, 1080). Hb. Kew. 5. Poliomintha mollis, A. Gr. in Proc. Am. Acad. viii. p. 365, et Synop. Fl. N. Am. ii. p. 361. Hedeoma mollis, Torr. Bot. U.S. & Mex. Bound. Surv. p. 139. This species has hitherto only been collected on the Texan bank of the Kio Grande. 10. GAEDOQUIA. Gardoquia, Ruiz et Pav. Prodr. Fl. Peruv. et Chil. p. 86, t. 17 j Beuth. et Hook. Gen. Plant, ii. p. 1189. About twenty-eight herbaceous, half-shrubby, and shrubby species, ranging from Mexico to Chili. 1. Gardoquia helleri, Peyr. in Linnsea, XXX. p. 34. South Mexico, Orizaba, Tepetitlan, 8000 to 9000 feet {Heller, 212). 2. Gardoquia mexicana, Benth. PL Hartw. p. 50 ; DC. Prodr. xii. p. 235. South Mexico, between Eegla and the Barranca {Hartweg, 377), Orizaba {JBotteri, 839), Zimapan {Coulter, 1130), Vera Cruz to Orizaba {Muller, 328). Hb. Kew. 3. Gardoquia micromerioides, Hemsley, n. sp. (Tab. LXix. A. figg. 1-5.) SufFruticosa, prseter floras cito glabrescens, foliis parvis subsessilibus lineari-oblongis, floribus axillaribus solitariis longiuscule pedunculatis, calyce elongato fere sequaliter 5-dentato, fauce pills longis albis clausa, dentibus lineari-subulatis pauUo brevioribus quam tubus, corollEe labio antico eequaliter trilobato, lobis rotundatis. Suffrutex ramosus, erectus, 6-15-pollicaris, prseter flores cito glabrescens, ramis gracilibus, nitidis, internodiis ssepissime brevioribus quam folia. Folia subeoriacea, subsessilia, lineari- oblonga vel anguste lanceolata, 3-9 lineas longa, obtusiuscula, integerrima, utrinque promi- nenter glandulosa, venis immersis inconspicuis. Flores axillares, solitarii, 6-9 lineas longi, pedunculati, basi bibracteolati; pedunculi graciles, 3-4 lineas longi, suberecti ; bracteolse anguste lanceolatse, 1-1^ lineam longse ; calyx siccus atro-purpureus, angustus, 3-4 lineas longus, prseter faucem glaber, 1 3-nervis, dentibus subsequalibus, lineari-subulatis, quam tubus pauUo brevi- oribus, fauce pilis longis albis clausa ; corolla fere recta, hirsuta, labio postico bifido, antico sequaliter trilobato, lobis oblongis, rotundatis; stamina 4, longiora labium posticum vix sequantia ; stylus insequaliter bifidus. Nucules maturse non visse. NoETH Mexico, San Luis Potosi {Schaffner, 70 ; Parry & Palmer, 244). Hb. Kew. In habit this closely resembles Hedeoma hyssopifolia, A. Gr., and Micromeria boliviana, Benth. ; and it is almost intermediate in its floral characters between Micromeria and Gardoquia. LABIATE. 551 EXPLANATION OF TAB. LXIX. A. Fig. Ij a flower ; 2, a corolla^ laid open ; 3, back view of a stamen ; 4), front view of a stamen ; 5, a pistil and disk : all enlarged. 11. CALAMINTHA. Calamintha, Mcench. Meth. p. 408; Benth. et Hook. Gen. Plant, ii. p. 1190. Herbs, undershrubs, or shrubs. There are about forty species, widely diffused in the temperate regions of both hemispheres. 1. Calamintha macrostema, Benth. in DC. Prodr. xii. p. 229. NoETH Mexico, Sierra Madre {Seemann, 2094) ; South Mexico, valley of Mexico {Bourgeau, 989 ; Schaffner, 378 ; Bilimek, 326), plateau of Mexico (Ghiesbreght), Toluca {Andrieux, 155), Cordillera of Vera Cruz, 7000 to 8500 feet (Galeotti, 635), Vera Cruz to Orizaba {Muller, 184). Hb. Kew. [Major ana mexicana, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 7), Mr.Bentham suggests (DC. Prodr. xii. p. 196) may be Origanum majorana, escaped from gardens.] 12. LEPECHINIA. Lepechinia, Willd. Hort. Berol. t. 21; Benth. et Hook. Gen. Plant, ii. p. 1192. Mexican herbs. 1. Lepechinia procumbens, Benth. Lab. p. 415 ; DC. Prodr. xii. p. 259. NoKTH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 734) ; South Mexico, near San Miguel del Soldado and La Joya (Schiede), Chiapas (Ghies- breght, 740). Hb. Kew. 2. Lepechinia Spicata, Willd. Hort. Berol. i. p. 21, t. 21 ; DC. Prodr. xii. p. 259 ; Bot. Keg. 1. 1292. Horminum caulescens, Ort. Dec. p. 63. South Mexico, region of Orizaba {Bourgeau, 2836), Tenancingo, valley of Toluca {Schaffner), valley of Mexico {Schaffner, 407). Hb. Kew. 3. Lepechinia, sp. {L. proc^mhentis var. %). Costa Eica, Volcan de Irazu {(Ersted). Hb. Kew. 13. DEKINIA. Dekinia, Mart, et Gal. in BuU. Acad. Brux. xi. 2, p. 195 ; Benth. et Hook. Gen. Plant, ii. p. 1193. A Mexican herbaceous monotype. 1. DeMnia COCCinea, Mart, et Gal. in Bull. Acad. Brux. xi. 2, p. 195 ; DC Prodr. xii. p. 258. South Mexico, meadows of Totozinapa, on the road between Coscomatepec and Vaqueria del Jacal, at 8000 feet {Galeotti, 676). 552 LABIATE. 14. SPHACELE. Sphacele, Benth. in Bot. Keg. sut t. 1289; Bentt. et Hook. Gen. Plant, ii. p. 1193. Shrubs or undershrubs. About twenty species, whereof one inhabits the Sandwich Islands and the rest America, chiefly western, from California to Chili. 1. Sphacele alpina, CErst. in Vidensk. Meddel. 1853, p. 36. Costa Kica, Volcan de Irazu, 9600 to 10,000 feet {(Ersted). 2. Sphacele mexicana, Schauer in Linnsea, XX. p. 707 ; DC. Prodr. xii. p. 257. South Mexico, around Zimapan (Aschenhorn, 256). 15. SALVIA. Salvia, Linn. Gen. Plant, n. 39 ; Benth. et Hook. Gen. Plant, ii. p. 1194. Herbs, undershrubs, and shrubs. About 450 species, very widely dispersed in temperate regions, including the mountains within the tropics. The greatest concen- trations of species are in Mexico and the Mediterranean region. Only one occurs in Australia ; and that is a very common Asiatic species. There is probably a considerable number of undescribed species among the unnamed specimens in Kew herbarium ; but the genus is too large for us to undertake a revision of it. 1. Salvia affinis, Ch. et Schl. in Linnsea, v. p. 99 ; DC. Prodr. xii. p. 341. South Mexico, near Jalapa (ScMede & Beppe), Cordillera of Guichilapa {Berlandier). Hb. Kew. 2. Salvia agglutinans, Lag. Gen. et Sp. Nov. p. 2 ; DC. Prodr. xii. p. 332. New Spain {Mopino, SessS, & Cervantes). 3. Salvia albiflora, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 16) ; DC. Prodr. xii. p. 307. NoKTH Mexico, Sonora [Thurher; Schott); South Mexico, region of Orizaba [Botteri, 640 ; Muller, 1948), neighbourhood of Tabasco [Linden, 126), Cordillera of Vera Cruz, 3000 feet {Oaleotti, 612); Panama, Cruces (Seemann, 514). — Venezuela. Hb. Kew. 4. Salvia alvayaca, CErst, in Vidensk. Meddd. 1853, p. 38. Costa Rica, mountains of Candelaria and Volcan de Irazu, 6000 to 7000 feet {(Ersted). 5. Salvia angUStifolia, Cav. Ic. Pi. iv. p. 9, t. 317 ; DC. Prodr. xii. p. 301 ; A. Gr. Synop. PL N. Am. ii. p. 369; Bot. Eeg. 1. 1554; Sweet's Brit. Fl. Gard. ser. 2, t. 219. Salvia reptans, Jacq. Hort. Schoenb. t. 319. Salvia virgata, Ort. Dec. i. p. 3. Texas. — South Mexico, Tizapan [Bourgeau, 125), Eeal del Monte [Coulter, 1111), Eegla [Galeotti, 695), valley of Mexico [Schaffner, 417), Aguas Calientes [Hartweg, 163). Hb. Kew. LABIATE. 553 6. Salvia amarissima, Ort. Dec. p. 4 ; DC. Prodr. xii. p. 317 ; Bot. Reg. t. 347. Salvia amara, Jacq. Hort. Schcenb. t. 255. Salvia circinata, Cav. Ic. PI. iv. p. 9^ t. 318. Salvia nepetoides, H. B. K. Nov. Gen. et Sp. ii. p. 299^ 1. 150. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry c& Palmer, 752) ; South Mexico, valley of Mexico (Berlandier, 697, 776, 788, 809, 839 ; BilimeJc, 303, 304; Pourgeau, 125), Oaxaca (Gkieshreght), Tlalpujahua (Graham, 88); Guatemala, Volcan de Fuego (Godman & Salvin). Hb. Kew. 7. Salvia aristulata, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 7) ; DC; Prodr. xii. p. 340. South Mexico, Capulalpan and Sierra de Llano Verde, eastern Cordillera of Oaxaca,, 6000 to 7000 feet (GaleofM, 717). 8. Salvia aspera, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 11); DC. Prodr, xii. p. 327. South Mexico, limestone rocks at 5000 feet in the Cordillera of Oaxaca (Galeotti, 642). Hb. Kew. 9. Salvia aSSUrgenS, H. B. K. Nov. Gen. et Sp. ii. p. 293 ; DC. Prodr. xii. p. 304. South Mexico, near Pazcuaro, at about 6800 feet (Humboldt & Bonpland). 10. Salvia axillaris, Mo§. et Sesse in Benth. Lab. p. 270 ; DC. Prodr. xii. p. 313. New Spain (Mogino & Sesse). 11. Salvia azurea, Lam. Diet. vi. p. 625 ; DC. Prodr. xii. p. 302 ; A. Gr, Synop. Fl. N. Am. ii. p. 369 ; Bot. Mag. t. 1728. Salvia acuminata, Vent. Hort. Cels. t. 50. Salvia meodcana, Walt. Carol, p. 65, non Linn. NoETH Caeolina and Coloeado south to Floeida and Texas. — Noeth Mexico '?, along the Rio Grande (Wright). 12. Salvia baUotaeflora, Benth. Lab. p. 270; DC. Prodr. xii. p. 313; A. Gr. Synop. Fl. N. Am. ii. p. 371. Salvia laxa, Benth. loc. cit. Texas. — Noeth Mexico, Chihuahua ( IFn^A^), Parras, Saltillo, and Monclova(Pa^wier); South Mexico, near Tollman (KarwinsM). Hb. Kew. 13. Salvia biserrata, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 6); DC. Prodr. xii. p. 335. South Mexico, peak of Orizaba, 9000 to 10,500 feet (Linden, 120 ; Galeotti, 683, 684). Hb. Kew. 14. Salvia brevicalyx, Benth. in DC. Prodr. xii. p. 309. South Mexico, Jalapa (Linden, 116), Cordillera of Oaxaca, 7000 to 8000 feet BIOL. CENTE.-AMEE., Bot. Vol. XL, June 1882. 4 b 554 LABIATE. (Galeotti, 656), Orizaba (Botteri, 634); Costa Eica, Pacaca &c. {(Ersted); Panama, Boquete {Seemann, 1176). Hb. Kew. 15. Salvia breviflora, Mog. et Sesse in Benth. Lab. p. 274; DC. Prodr. xii. p. 315. New Spain (Mo^no & SessS) ; Mexico (Hcenke). 16. Salvia bupleuroides, Presl in Benth. Lab. p. 271 ; DC. Prodr. xii. p. 300. Mexico {EcenJce). Hb. Kew. 17. Salvia cacaliSBfolia, Benth. in DC. Prodr. xii. p. 348. South Mexico, Chiapas, in pine-forests {Linden, 132 ; GUeshreght, 754), without locality {Bates). Hb. Kew. 18. Salvia candicans, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 1) ; DC. Prodr. xii. p. 315. South Mexico, Tehuacan, Puebla, 3500 to 6000 feet {Galeotti, 641). Hb. Kew. 19. Salvia capitata, Schl. in Linnsea, xxvi. p. 292 ; Walp. Ann. v. p. 680. Mexico. 20. Salvia chamaBdryoides, Cav. Ic Pi. ii. p. 77, 1. 197 ; DC. Prodr. xii. p. 314 ; A. Gr. Synop. Fl. N. Am. ii. p. 371 ; Bot. Mag. t. 808. Salvia chamadrifolia, Andr. Bot. Rep. t. 416. Salvia chamcedrys, Willd. Hort. Berol. t. 29. Texas. — Noeth Mexico, region of San Luis Potosi, 6000 to 7000 feet {Parry & Palmer, 750) ; South Mexico, valley of Mexico {Bourgeau, 855), without locality {Mopino & SessS ; Karwinski ; Bates). Hb. Kew. 21. Salvia Chrysantha, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 12) ; DC. Prodr. xii. p. 326. South Mexico, eastern Cordillera of Oaxaca, 6000 to 7000 feet {Gateotti, 666, 667); Costa Eica, Volcan de Irazu, 9000 feet {(Ersted, 7). Hb. Kew. 22. Salvia Clinopodioides, H. B. K. Nov. Gen. et Sp. ii. p. 294, t. 145 ; DC. Prodr. xii. p. 322. South Mexico, between Pazcuaro and Aguasarco, at about 6000 feet {Humboldt & Bon^pland). 23. Salvia Cinnabarina, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 3) ; DC. Prodr. xii. p. 342. South Mexico, Cerro de San Felipe, near Oaxaca, 6500 to 7500 feet {Galeotti, 655), pine-forests between San Bartolo and Pueblo Nuevo, Chiapas {Linden, 131 ; Ghies- bregJit, 72) ; Guatemala, oak-forests of Volcan de Fuego {Godman & Salvin). Hb. Kew. LABIATE, 555 24. Salvia COCCinea, Linn. Mant. p. 88 ; DC. Prodr. xii. p. 343; A. Gr. Synop. Fl. N. Am. ii. p. 368 ; Griseb. Fl. Brit. W. Ind. p. 490. Salvia glaucescens, PoU, PI. Bras. Ic. ii. t. 192. Salvia rosea, Yah\, Enum. i. p. 244. Salvia pseudococcinea, Jacq. Coll. ii. p. 302, et Ic. PI. Ear. t. 209; Bot. Mag. t. 2864. Salvia galeottii, Martens in Bull. Acad. Brux. xi. (reprint, p. 15). Salvia ciliata, Benth. Lab. p. 286. South Carolikta to Florida (" but probably introduced," A. Gray) ; Texas.— Noeth Mexico, Matamoras {Berlandier), Nuevo Leon (Thurber) ; South Mexico, Cordillera of Oaxaca, 8000 feet {Galeotti, 661), Papantla {Schiede & Beppe), valley of Cordova {Sourgeau, 2306), Vera Cruz {Linden), Jalapa, 4000 feet {Galeotti, 611).— South Ameeica ; West Indies. Hb. Kew. 25. Salvia COmOSa, Peyr. in Linnsea, xxx. p. 32. South Mexico, near San Miguel, Toluca, at 8000 feet {Heller, 287). 26. Salvia COncolor, Lambert in Benth. Lab. p. 297 ; DC. Prodr. xii. p. 336. Mexico {Campbell). 27. Salvia COStaricensis, CErst. in Vidensk. Meddel. 1853, p. 39. Costa Eica, Aguacate, 2000 to 3000 feet {(Ersted). 28. Salvia Crenata, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 14); DC. Prodr. xii. p. 348. South Mexico, oak-forests north of the city of Mexico, at 6500 feet {Galeotti, 704). 29. Salvia CUneifolia, Benth. Lab. p. 270; DC. Prodr. xii. p. 313. South Mexico, Eeal del Monte {Coulter, 1118, 1294), La Parada {Hartweg). Hb. Kew. 30. Salvia CUrviflora, Benth. Lab. p. 284; DC. Prodr. xii. p. 340. South Mexico, Tlalpujahua {Graham, Keerl), Zimapan {Coulter, 1089). Hb. Kew. 31. Salvia Cyanea, Benth. Lab. p. 296; DC. Prodr. xii. p. 336. Salvia cyanifera, Otto in Otto & Dietr. Allg. Gartenz. 1834. South Mexico, valley of Mexico {Bourgeau, 857), Desierto Viejo {BUimek, 307), without locality {Bates ; Tate). Hb. Kew. 32. Salvia elegaus, Vahl, Enum. i. p. 238 (errore S. incarnata) et p. 362 ; DC. Prodr. xii. p. 342. Salvia incarnata, Cav. Ann. Cienc. Nat. ii. p. 112; H. B. K. Nov. Gen. et Sp. ii. 1. 144, non Ettl. Salvia punicea. Mart, et Gal. in Bull. Acad. Brux. xi. (repiint, p. 5). NoETH Mexico, Sierra Madre {Seemann, 2077, 2072) ; South Mexico, Guanajuato {Hartweg), Zimapan {Coulter, 1097), San Nicolas {Bourgeau, 990, 1111), Magdalena {BilimeJc, 323), valley of Mc-'co {Schaffner, 395), peak of Orizaba, at 9000 feet {Galeotti, 122); Guatemala, Volcan de Fuego, at 8300 feet {Salvin). Hb. Kew. 4^2 556 LABIATiE. 33. Salvia elongata, H. B. K. Nov. Gen. et Sp. ii. p. 287, t. 139; DC. Prodr. xii. p. 303. Salvia simplex, Spreng. Syst. i. p. 58. Salvia betonica, Roem. et Schult. Syst. Mant. i. p. 188. South Mexico, western declivity of the mountains between Ario and Aguasarco, at about 5000 feet {Humboldt & Bonpland), Bolanos (Hartweg), without locality (Tate). Hb. Kew. 34. Salvia excelsa, Benth. in Bot. Keg. 1841, Misc. p. 185, et in DC. Prodr. xii. p. 342. Mexico. Hb. Kew. 35. Salvia filipes, Benth. in DC. Prodr. xii. p. 309. Salvia polystachya, var., Benth. PL Hartw. p. 50. South Mexico, Eegla {Hartweg, 375). Hb. Kew. 36. Salvia flexUOSa, Presl in Benth. Lab. p. 248, et in DC. Prodr. xii. p. 299. Mexico. Hb. Kew. The North-Mexican specimens referred by Seemann (Bot. Voy. ' Herald,' p. 327) to this species probably belong to a distinct species. 37. Salvia fruticulosa, Benth= Lab. p. 721, et in DC. Prodr. xii. p. 315. South Mexico, around Oaxaca {Andrieux, 151). Hb. Kew. 38. Salvia fulgens, Cav. Ic. Pi. i. p. 15, t. 23 ; DC. Prodr. xii. p. 333 ; Sweet, Brit. Fl. Gard. ser. 2, t. 59 ; Bot. Eeg. 1. 1356. Salvia cardinalis, H. B. K. Nov. Gen. et Sp. ii. p. 301, t. 153. South Mexico, Tlalpujahua {Graham), San Nicolas {Bourgeau, 853, 1106), Toluca {Andrieux, 144, 145), valley of Mexico {Schaffner, 396), between Toluca and TianguiUo, at about 9400 feet {Humboldt & Bompland) ; Guatemala, Zunil {Hartweg). Hb. Kew. 39. Salvia glabra, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 8) ; DC. Prodr. xii. p. 310. South Mexico, Oaxaca, 6000 to 7000 feet {Galeotti, 714). 40. Salvia glabrata, H. B. K. Nov. Gen. et Sp. ii. p. 299 ; DC. Prodr. xii. p. 336. Mexico {Karwinski). — Venezuela. Hb. Kew. 41. Salvia glechomSBfolia, B. K. Nov. Gen. et Sp. ii. p. 290, 1. 141 ; DC. Prodr. xii. p. 306. South Mexico, between Guanajuato and Santa Eosa, at about 8800 feet {Humboldt & Borvpland). 42. Salvia glumacea, H. B. K. Nov. Gen. et Sp. ii. p. 298, et vii. p. 447 ; DC. Prodr. xii. p. 342. " New Spain," at about 7200 feet {Humboldt & Bonpland). LABIATE. 557 This species is said to be closely allied to S. grahami. Its native country is not known with exactitude ; but H. B. K. include it in their list of Mexican plants. 43. Salvia graciliflora, Mart, et Gal. in BuU. Acad. Brux. xi. (reprint, p. 15) ; DC. Prodr. xii. p. 342. South Mexico, near Zacuapan, at 3000 feet (Galeofti, 630). 44. Salvia gracilis, Benth. Lab. p. 258 ; DC. Prodr. xii. p. 307. " New Spain " (Mogino & Sesse). 45. Salvia grahami, Benth. in Bot. Keg. 1. 1370, et in DC. Prodr. xii. p. 335. NoKTH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, li:l, 748) ; South Mexico, Tlalpujahua {Graham, 98), valley of Mexico {Bourgeau, 489, 856 ; Schaffner, 394), Zimapan {Coulter, 1093, 1094, 1096), near the city of Mexico {Berlandier, 462, 570, 1194). Hb. Kew. 46. Salvia greggii, A. Gr. in Proc. Am. Acad. viii. p. 369 ; Synop. Fl. N. Am. ii. p. 368. Salvia microphylla, Torr. Bot. U.S. & Mex. Bound. Surv. p. 131, non H. B. K. Texas.-— North Mexico, Saltillo {Gregg). 47. Salvia helianthemifolia, Benth. Lab. p. 254, et in DC. Prodr. xii. p. 304. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 729) ; South Mexico, Tlalpujahua {Graham, 90 ; Keerl), Real del Monte {Coulter, 1116). Hb. Kew. 48. Salvia henryi, A. Gr. in Proc. Am. Acad. viii. p. 368 ; Synop. Fl. N. Am. ii. p. 367. Texas ; New Mexico. — Noeth Mexico, on the Mimbres, within the old boundary {Thurber). 49. Salvia herbacea, Benth. Lab. p. 720 ; DC. Prodr. xii. p. 311. Sooth Mexico, Tehuantepec, Oaxaca {Andrieux, 142), San Felipe, near Oaxaca, at 9000 feet {Galeotti, 649). Hb. Kew. 50. Salvia hirSUta, Jacq. Hort. Schcenb. iii. p. 1, t. 252; DC. Prodr. xii. p. 301. Salvia phlomoides, Cav. Ic. PI. t. 330. Salvia bracteata et S. ciliata, Pers. Enum. i. p. 350. Salvia sideritidis, VaU, Enum. i. p. 250. Salvia cryptanthos, Schult. Obs. p. 12. Salvia nepetafolia, Poir. Diet. Suppl. v. p. 48. Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 736) ; South Mexico, without locality {Mogino & Sesse ; Graham), Santa Fe {Bourgeau, 490). Hb. Kew. 558 LABIATE. 51. Salvia hispanica, Linn, Sp. Pi. p. 37 ; DC. Prodr. xii. p. 308 ; Bot. Eeg. t. 359. Salvia tetragona, Mcench. Meth. p. 373. Salvia prismatica, Cav. Descr. p. 14. South Mexico, Cordillera of Vera Cruz, 3000 feet (Galeotti, 627), Santa Fe (Bour- geau, 1109), Orizaba [Botteri, 1098 ; Bourgeau, 3316) ; Costa Eica, Aguacate, San Jose and Pacaca, 2000 to 4000 feet [CErsted). — Ecuadoe ; Jamaica. Hb. Kew. This species has long been naturalized in South-western Europe. 52. Salvia hmnilis, Benth. Lab. p. 247, et in DC. Prodr. xii. p. 298. Mexico (KarwinsM). 53. Salvia hyptoides, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 14) ; DC. Prodr. xii. p. 300. Salvia elscholtzioides, Benth. Bot. Voy. ' Sulphur/ p. 153j t. 50. South Mexico, Orizaba {Botteri, 633), valley of Cordova (Bourgeau, 1587), Cordillera of Vera Cruz, 6000 feet, and Cordillera of Oaxaca, 7000 feet (Galeotti, 629, 664), Tepic (Sinclair); Guatemala, near Cohan, 4400 feet (TurcMeim, 299), Mazatenango &c. (Bernoulli, 149, 1211) ; Honduras, Gulf of Fonseca (Sinclair) ; Nicaragua, Chontales (Tate, 288) ; Costa Eica, Cartago and Volcan el Viejo ((Ersted, 13, 18, 51) ; Panama, Isle of Taboga (Seemann, 1100). — Venezuela. Hb. Kew. 54. Salvia ianthina, Otto et Dietr. in Allg. Gart. Zeit. 1845, ex Fl. des Serres, ix. t. 884. South Mexico, Chiapas (Ohieshreght, 756). Hb. Kew. 55. Salvia incana, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 8) ; DC. Prodr. xii. p. 344. South Mexico, Tehuacan de las Granadas, Puebla, at about 5000 feet (Galeotti, 643). 56. Salvia inconspicua, Benth. Lab. p. 247 ; DC. Prodr. xii. p. 298. Mexico (HcenJce). Hb. Kew. 57. Salvia involucrata, Cav. Ic. PI. ii. p. 114, t. 105 ; DC. Prodr. xii. p. 333 ; Bot. Eeg. 1. 1205 ; Bot. Mag. t. 2872. Salvia Icevigata, H. B, K. Nov. Gen. et Sp. ii. t. 147. North Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 755) ; South Mexico, Tlalpujahua (Keerl), near the city of Mexico (Hmiholdt 8j- Bonpland), Zimapan (Coulter, 1087); Guatemala, San Andres (Hartweg, 556), Duenas (Godman & Salvin), Volcan de Fuego, at 6000 feet (Salvin). Hb. Kew. 58. Salvia karwinskii, Benth. Lab. p. 725 ; DC. Prodr. xii. p. 345. Mexico (KarwinsM). LABIATE. 559 59. Salvia keerlii, Benth. Lab. p. 263 ; DC. Prodr. xii. p. 316. South Mexico, Tlalpujahua (Keerl), Kegla {Eartweg, 374), without locality {Bates). Hb. Kew. 60. Salvia Isevis, Benth. Lab. p. 251 ; DC. Prodr. xii. p. 303. South Mexico, Tlalpujahua {Graham), without locality {Keerl; Mogino S Sesse). Hb. Kew. 61. Salvia lanceolata, Broussonetin App. Elench. PI. Hort. Monsp. 1805, p. 15 ; Jacq. fil. Eclog. i. p. 22, t. 13 ; DC. Prodr. xii. p. 299 ; A. Gr. Synop. Fl. N. Am. ii. p. 369. Salvia reflexa, Hornem. Hort. Hafn. i. p. 34. Salvia lancecefolia, Poir. Diet. Suppl. v. p. 49. Salvia aspidophylla, Roem. et Schult. Syst. Mant. i. p. 206. Salvia trichostemoides, Pursh, Fl. Am. Sept. i. p. 19. Nebeasea to Aeizona, Texas, and Florida. — North Mexico, Chihuahua {Wright), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 744) ; South Mexico, Aguas Calientes {Eartweg, 1618), Guanajuato {Eumholdt & Bonpland). Hb. Kew. 62. Salvia lantansefoHa, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 9) ; DC. Prodr. xii. p. 322. South Mexico, near Tehuacan, 5500 feet {Galeotti, 644). 63. Salvia lasiantha, Benth. Lab. p. 276 ; DC. Prodr. xii. p. 321. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 730); South Mexico, valley of Mexico {Bourgeau, 395), without locality {Parkinson). Hb. Kew. 64. Salvia lasiocephala, Hook, et Am. Bot. Beech. Voy. p. 306 ; DC. Prodr. xii. p. 300. North Mexico, Cerro de Pinal {Seemann, 1496) ; South Mexico, Tepic {Barclay), San Bias to Tepic {Sinclair). Hb. Kew. 65. Salvia lavanduloides, H. B. K. Nov. Gen. et Sp. ii. p. 287 ; DC. Prodr. xii. p. 303. Salvia humboldtiana, Roem. et Scliult. Syst. Mant. i. p. 183. Salvia lavandulmfolia, Spreng. Syst. i. p. 58, non Vahl. North Mexico, Sierra Madre {Seemann, 2081) ; South Mexico, valley of Mexico {Bourgeau, 1110), Bolanos {Eartweg), Cordillera of Oaxaca, 5000 to 7000 feet {Galeotti, 654), Chiapas {Linden, 135), near Pazcuaro, at about 6700 feet {Eumboldt & Bonjaland) ; Guatemala, Volcan de Fuego {Godman & Salvin, 76). Hb. Kew. 66. Salvia leonia, Benth. Lab. p. 303 ; DC. Prodr. xii. p. 349. Leonia salvifolia, Llav. et Lex. Nov. Veg. Descr. fasc. ii. p. 6. Mexico, Santa Kosa {La Llave & Lexarza). 560 LABIATE. 67. Salvia leptophylla, Benth. Lab. p. 249 J DC. Prodr. xii. p. 299. Mexico (Mogino & SessS ; Karwinski). 68. Salvia leptOStachyS, Benth. Lab. p. 258 ; DC. Prodr. xii. p. 308. " New Spain " {Mogino & SessS). 69. Salvia leucantha, Cav. Ic. Pi. i. p. 16, t. 24 ; DC. Prodr. xii. p. 321 ; Bot. Mag. t. 4318. South Mexico, without locality (Tate; Graham; Bates), margin of a garden (Bour- geau, 394), Orizaba, cultivated (Botteri). Hb. Kew. 70. Salvia Undenii, Benth. in DC. Prodr. xii. p. 333. South Mexico, Chiapas (Linden, 128; Ghiesbreght, 122, 755), Sierra San Pedro Nolasco &c. (Jurgensen, 910). Hb. Kew. 71. Salvia lineata, Benth. Lab. p. 724 ; DC. Prodr. xii. p. 334. Mexico (Karwinski). 72. Salvia linifolia, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 10) ; DC. Prodr. xii. p. 302. South Mexico, Morelia, Michoacan, at 8000 feet (Galeotti, 694). 73. Salvia littSB, Vis. 111. Plant. Nuov. Ort. Pad. p. 15 ; DC. Prodr. xii. p. 341. Mexico, 74. Salvia longispicata, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 13) ; DC. Prodr. xii. p. 307. South Mexico, near Ario, at 4000 feet (Galeotti, 706). Hb. Kew. 75. Salvia longistyla, Benth. Lab. p. 295 ; DC. Prodr. xii. p. 344. South Mexico, near Zinepecuaro (Graham), Vera Cruz to Orizaba (Muller, 1034), without locality (Hahn). Hb. Kew. 76. Salvia lophantha, Benth. in DC. Prodr. xii. p. 301. South Mexico, Chiapas (Ghiesbreght, 745), San Cristobal, Orizaba (Bourgeau, 3215); Guatemala, Barranca del Incensio (Skinner ; Bernoulli, 178), Duenas (Fraser ; Salvin). Hb. Kew. 77. Salvia madrensis, Seem. Bot. Voy. ' Herald,' p. 327, t. 70. NoETH Mexico, Sierra Madre (Seemann, 2079). Hb. Kew. 78. Salvia martensii, Galeotti in Bull. Acad. Brux. xi. (reprint, p. 17) ; DC. Prodr. xii. p. 335. South Mexico, Cordillera of Oaxaca, 8000 to 9000 feet (Galeotti, 648), around Oaxaca (Andrieux, 147). Hb. Kew. 79. Salvia membranacea, Benth. Lab. p. 259 ; DC. Prodr. xii. p. 310. Mexico (Mogino & SessS). LABIATE. 561 80. Salvia mexicana, Linn. Sp. Pi. p. 37 ; DC. Prodr, xii. p. 337 ; Cav. Ic. i. p. 16, t. 26. Sclarea mexicana, Dill. Hort. Elth. p. 339, t. 254. fig. 330. Jungia altissima, MoeDch. Meth. Salvia melissmfolia, Desf. Cat. Hort. Par. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 757) ; South Mexico, Real del Monte and Zimapan {Coulter, 1100, 1101), near Pazcuaro {Humholdt & Bonpland), Toluca {Andrieux, 148), valley of Mexico {Bourgeau, 619), Hb. Kew. 81. Salvia micrantha, Vahl, Enum. i. p. 235 ; DC. Prodr. xii. p. 298. Salvia bullata, Ort. Dec. ix. p. 109 ; Jacq. Hort. Schcenb. iv. t. 481 . Salvia serotina, Vahl, Emm. i. p. 233, non Linn. Mexico {Mogino & SessS) ; Panama, Aspinwall (S. Hayes, 372). — Galapagos ;■ Cuba ; Jamaica. Hb. Kew. 82. Salvia micrOCalyx, Scheele in Linnsea, xxii. p. 589 ; Walp. Ann. iii. p. 257. Mexico. 83. Salvia microphyUa, H. B. K. Nov. Gen. et Sp. ii. p. 295 ; DC Prodr. xii. p 335. North Mexico, Monterey {Eaton & Edwards) ; South Mexico, near Santa Eosa, ll^oran, and Pachuca {Humboldt & Bonpland). Hb. Kew. 84. Salvia miseUa, H. B. K. Nov. Gen. et Sp. ii. p. 290 ; DC. Prodr. xii. p. 297. South Mexico, between Acapulco and La Venta del Exido, 1000 feet {Humboldt & Bonpland). 85. Salvia mollissinia, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 11) ; DC. Prodr. xii. p. 343. South Mexico, western Cordillera of Oaxaca, at 4500 feet {Galeotti, 657). 86. Salvia mOCinoi, Benth. Lab. p. 271; DC. Prodr. xii. p. 300. " New Spain " {Mogino & Sesse). 87. Salvia nana, H. B. K. Nov. Gen. et Sp. ii. p. 289 ; DC. Prodr. xii. p. 304. Salvia prunelloides, Benth. PI. Hartw. pp. 90 et 351, non H. B. K. North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer^ 745) ; South Mexico, Guanajuato, 8500 feet {Humboldt & Bonpland), valley of Mexico {Bourgeau, 860) ; Guatemala, Quezaltenango {Hartweg). Hb. Kew. 88. Salvia nervata, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 17) ; DC. Prodr. xii. p. 339. South Mexico, Cordillera of Oaxaca, 8000 to 9000 feet {Galeotti, 650); Guatemala, without locality {Skinner). Hb. Kew. BIOL, cente.-ambr., Bot. Vol. XL, June 1882. 4 c 562 LABIATE. 89. Salvia nitida, Benth. in DC. Prodr. xii. p. 300. Hyptis nitida, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint^ p. 4) . South Mexico, Cordillera of Oaxaca, 3000 to 6000 feet {Galeotti, 658). Hb. Kew. 90. Salvia Oblongifolia, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 19) ; DC. Prodr. xii. p. 305. South Mexico, pine-woods in the Cordillera of Oaxaca, at about 8500 feet {Galeotti, 660), Chiapas (GMesbreght, 61, 750), Sierra San Pedro Nolasco &c. {Jurgensen, 813). Hb. Kew. 91. Salvia Obtusa, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 12) ; DC. Prodr. xii. p. 334. South Mexico, eastern Cordillera of Oaxaca, near Yavezia, Castrasana and Capulalpan, at 5000' to 7000 feet {Galeotti, 715). 92. Salvia OCCidentaHs, Sw. Fl. Ind. Occ. i. p. 43 ; DC. Prodr. xii. p. 296 ; A. Gr. Synop. Fl. N. Am. ii. p. 370. Salvia radicans, Poir. Diet. vi. p. 621. Salvia procumbens, Ruiz et Pav. Fl. Per. et Chil. i. p. 37, t. 39. fig. a. Floeida. — South Mexico, valley of Cordova {Bourgeau, 1504) ; Nicaragua {Tate, 289 ; (Ersted) ; Costa Eica, Ujaras {(Ersted) ; Pan^ama, Chagres {Fendler, 227), without locdliiy {Seemann, 260; S.Hayes, 327). — Galapagos; northern South Ambeica ; West Indies. Hb. Kew. 93. Salvia orbicularis, Benth. Bot. Voy. 'Sulphur,' p. 151 ; DC. Prodr. xii. p. 298. Panama, Chagres {Fendler, 224), without locality {Hinds; Sinclair). Hb. Kew. 94. Salvia parquerensis, M09. et Sesse ; Benth. Lab. p. 273 ; DC. Prodr. xii. p. 322. South Mexico, without locality {Mogino & SessS ; Bates). Hb. Kew. This name should probably be pazcuarensis, 95. Salvia patens, Cav. Ic. Pi. v. p. 33, t. 454 ; DC. Prodr. xii. p. 348 ; Bot. Eeg. xxv. t. 23 ; Bot. Mag. t. 3808. Salvia grandiflora, Nee, ex Cav. loc. cit. Salvia macrantha, Schl. Ind. Sem. Hort. Hal. 1841. Salvia spectabilis, H. B. K. Nov. Gen. et Sp. ii. p. 304. Salvia decipiens, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 4) . Salvia staminea, Mart, et Gal. loc. cit., non Montbr. et Auch. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 759); South Mexico, Real del Monte, 7500 to 8000 feet {Coulter, 1102 ; Hartweg ; Galeotti, 687, 688), Guanajuato {Mendez ; Humboldt & Bonpland). Hb. Kew. LABIATiE. 563 96. Salvia pauciflora, H. B. K. Nov. Gen. et Sp. ii. p. 303 ; DC. Prodr. xii p. 315. " New Spain " (Etmboldt & JBonpland). 97. Salvia polystachya, Ort. Dec. p. 55 ; Cav. Ic. PI. t. 27 ; DC. Prodr. xii p. 308. Salvia ceesia, H. B. K. Nov. Gen. et Sp. ii. p. 295. Salvia linearifolia, Lag. Gen. et Sp. Nov. p. 2. South Mexico, Tacubaya and Guadalupe {BilimeJc, 315, 316), Zimapan {Coulter, 1103), valley of Mexico {Bourgeau, 854, 859), Vera Cruz to Orizaba (Muller, 770), Chiapas {Ghieshreght, 743); Guatemala, Quezaltenango {Hartweg, 557), Alotenango and Volcan de Fuego (Godman & Salvin). Hb. Kew. 98. Salvia porphyrata, Dene, in Eev. Hort. serie 4, iii. p. 301, fig. 16 ; Bot. Mag. t. 4939. Mexico. 99. Salvia prasiifolia, Benth. Bot. Voy. ' Sulphur,' p. 151 ; DC. Prodr. xii. p. 310. South Mexico, San Bias to Tepic {Sinclair ; Barclay). Hb. Kew. 100. Salvia privoides, Benth. Bot. Voy. ' Sulphur,' p. 150 ; DC. Prodr. xii. p. 297; A. Gr. Synop. Fl. N. Am. ii. p. 371. Florida. — South Mexico, Orizaba {Bofteri, 610, 651 ; Muller, 108), Cuernavaca {Bcywrgeau, 1239) ; Guatemala, Volcan de Fuego, 5000 feet {Salvin) ; HoifDUEAS, Gulf of Fonseca {Sinclair). Hb. Kew. 101. Salvia protracta, Benth. in DC. Prodr. xii. p. 309. Salvia elongata, Mart, et Gal. in Bull. Acad. Bmx. xi. (reprint^ p. 15), non H. B. K. South Mexico, Cordillera to the north of Oaxaca, 3000 to 4000 feet {Galeotti, 712). 102. Salvia pruneUoides, H. B. K. Nov. Gen. et Sp. ii. p. 289 ; DC. Prodr. xii. p. 305. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 761) ; South Mexico, Volcan de Jorullo {Eumholdt & Bonpland), valley of Mexico {Bourgeau, 396). Hb. Kew. 103. Salvia pubeSCenS, Benth. Lab. p. 723 ; DC. Prodr. xii. p. 332. South Mexico, Oaxaca {Andrieux, 143) ; Eeal del Monte to Zacateras {Coulter, 1099). Hb. Kew. 104. Salvia pulcheUa, DC. Cat. Hort. Monsp. p. 142 ; DC. Prodr. xii. p. 334 ; Colla, Hort. Ripul. t. 16. South Mexico, Zimapan {Coulter, 1095), Chiapas {Ghieshreght, 758); Guatemala, Zunil {Hartweg, 558), Volcan de Fuego, 6500 feet {Salvin). Hb. Kew. 4c2 564 LABIATE. 105. Salvia purpurascens, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 9) ; DC. Prodr. xii. p. 335. South Mexico, peak of Orizaba, at 9000 feet {Linden, 121 ; Galeotti, 683). Hb. Kew. 106. Salvia purpurea, Cav. Ic. PI. ii. p. 52, t. 166 ; DC. Prodr. xii. p. 341 ; Jacq. Hort. Schcenb. iii. p. 2, t. 253. Salvia farinosa, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 18). North Mexico, Sierra Madre {Seemann, 2080) ; South Mexico, Bolafios [Hartweg, 161), Cuernavaca [Bourgeau, 1244), region of Orizaba [Botteri, 643 ; Bourgeau, 3162 ; Muller, 1069), Cordillera of Vera Cruz, 3000 to 4000 feet {Galeotti, 618); Guatemala, Cerro del Carmen {Bernoulli, 154), San Geronimo {Oodman & Salvin), Volcan de Fuego, 3800 to 5000 feet {Salvin) ; Nicaragua, Segovia {(Ersted). Hb. Kew. 107. Salvia rectiflora, Vis. Ind. Sem, Hort. Pat. 1839, ex ejusd. Ort. Bot. Pad. p. 145 ; DC. Prodr. xii. p. 334. Salvia tubeeformis, Link, Kl. et Otto, Ic. PI. Ear. p. 70, t. 38. Mexico. 108. Salvia recurva, Bentb. in DC, Prodr. xii. p. 336. South Mexico, Sierra. San Pedro Nolasco &c. {Jurgensen, 676). Hb. Kew. 109. Salvia regla, Cav. Ic. Pi. v. p. 33, t. 455 ; DC. Prodr. xii. p. 333 ; Bot. Mag. t. 3808 ; Bot. Reg. 1841, t. 14. Salvia deltoidea, Pers. Syn. i. p. 38. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 741); Aguas Calientes {Hartweg), Vilalpando {Mendez), without locality {Parkinson), Eegla (ex Cavanilles). Hb. Kew. 110. Salvia remota, Benth. in DC. Prodr. xii. p. 304. Mexico. 111. Salvia reticulata, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 4) ; DC. Prodr. xii. p. 305, sub S. ohlongifoUa. South Mexico, Cordillera of Oaxaca, 8000 to 9000 feet {Galeotti, 646). Hb. Kew. 112. Salvia rhombifoHa, Euiz et Pav. ri. Peruv. et Chil. i. p. 26, t. 36. fig. h ; DC. Prodr. xii. p. 310. Salvia foliosa, Benth. in Bot. Reg. t. 1439. Mexico'? {Graham). — Peru. 113. Salvia roemeriana, Scheele in Linnsea, xxii. p. 586 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 132 ; A. Gr. Synop. PL N. Am. ii. p. 367. Salvia porphyrata, Dene, in Rev. Hort. 1854, t. 16; Bot. Mag. t. 4939. Texas.— North Mexico, Chihuahua {Bigelow), Saltillo, Coahuila {Palmer, 1073). Hb. Kew. LABIATE. 565 114. Salvia ruMginOSa, Benth. in DC. Prodr. xii. p. 301. South Mexico, pine-forests Chiapas {Linden), Totutla, Vera Cruz [Linden). Hb. Kew. 115. Salvia sanctae-luciae, Seem. Bot. Voy. 'Herald,' p. 327. NoETH Mexico, near Santa Lucia in the Sierra Madre {Seemann, 2071). Hb. Kew. 116. Salvia SCOrodonisefolia, Poir. Diet. Suppl. v. p. 46 ; DC. Prodr. xii. p. 316. Salvia melissodora. Lag. Nov. Gen. et Sp. p. 3. Salvia hirta, Schranck in Syll. PI. Soc. Ratisb. ii. p. 60 ? NoETH Mexico, Sierra Madre (Seemann, 2076) ; South Mexico, Aguas Calientes (Hartweff, 164), San Bias to Tepic (Sinclair), ManzanUla Bay {Barclay), valley of Mexico {Sourgeau, 295). Hb. Kew. 117. Salvia semiatrata, Zucc. in Abhandl. Baier. Akad. Wiss. i. p. 298 ; DC. Prodr. xii. p. 316. South Mexico, Oaxaca {Andrieux, 149). Hb. Kew. 118. Salvia sessei, Benth. Lab. p. 288 ; DC. Prodr. xii. p. 332. Rhodochlamys speciosa, Schauer in Linnaea, xx. p. 707 ? South Mexico, between Tuspan and Anganguio {Martweg), Oaxaca {Ghieshreght), Cuernavaca (Sourgeau, 1237), without locality (ParJcinson). Hb. Kew. 119. Salvia sidaefoUa, Mart, et Gal. in BuU. Acad. Brux. xi. (reprint, p. 7) ; DC. Prodr. xii. p. 318. South Mexico, CordiUera of Oaxaca, 6000 to 7000 feet (GaleoUi, 716). 120. Salvia spicata, Eoem. et Schult. Syst. Mant. i. p. 202 ; DC. Prodr. xii p. 315. Salvia pulchella, H. B. K. Nov. Gen. et Sp. ii. p. 288, t. 140, non DC. Salvia humholdtiana, Dietr. Gsertn. Lex. vii. p. 418. Salvia humboldtii, Spreng. Syst. i. p. 54. Salvia saligna, Willd. ex Link, Schw. et Dietr. Sp. PI. i. p. 307. " New Spain " (Humboldt & Bonpland). 121. Salvia Stachyoides, H. B. K. Nov. Gen. et Sp. ii. p. 287, t. 138 ; DC. Prodr. xii. p. 303. South Mexico, Santa Eosa, at about 7000 feet {Humboldt & Bonpland). 122. Salvia Stolonifera, Benth. Pi. Hartw. p. 70 ; DC. Prodr. xii. p. 333. South Mexico, La Parada (Hartweg, 505), Cordillera of Oaxaca, at 8500 feet (Galeotti, 645). Hb. Kew. 123. Salvia SUbincisa, Benth. Pi. Hartw. p. 20 ; DC. Prodr. xii. p. 303 ; A. Gr. Synop. Fl. N. Am. ii. p. 369. Texas ; New Mexico. — Mexico, Aguas Calientes (Hartweg, 160). Hb. Kew. 566 LABIATE. 124. Salvia thymoides, Benth. Lab. p. 255 ; DC. Prodr. xii. p. 314. South Mexico, Mitla, Oaxaca (Andrieux, 159). Hb. Kew. 125. Salvia thyrsiflora, Benth. Bot. Voy. ' Sulphur,' p. 151 ; DC. Prodr. xii. p. 316. South Mexico, near Tepic (Barclay). Hb. Kew. 126. Salvia tiliaefolia, Vahl, Symb. iii. p. 7 ; DC. Prodr. xii. p. 299 ; Jacq. Hort. Schoenb. iii. t. 254. Salvia fimbriata, H. B. K. Nov. Gen. et Sp. ii. t. 149? North Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 743, 746^) ; South Mexico, valley of Mexico (Pourgeau, 122 ; Gregg, 542 ; Schaffner, 415), Aguas Calientes {Hartweg, 159), Orizaba {Botteri, 854, 627); Guatemala, Duenas (Salvin), without locality (Fredrichsthal) ; Costa Eica, Aguacate {(Ersted). — Galapagos ; Venezuela ; West Indies. Hb. Kew. 127. Salvia tricuspidata, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 18) ; DC. Prodr. xii. p. 311. South Mexico, Cordillera of Oaxaca, 7500 to 9000 feet (Galeotti, 649). 128. Salvia tubifera, Cav. Ic. Pi. p. 23, t. 25 ; DC. Prodr. xii. p. 341 ; Bot. Eeg. 1841, t. 44. Salvia longiftora, Willd. Sp. PI. i. p. 141. South Mexico, near Jalapa (Schiede), near the city of Mexico {Berlandier, 716). Hb. Kew. 129. Salvia vitifolia, Benth. Lab. p. 724 ; DC. Prodr. xii. p. 348. Salvia proxima, Mart, et Gal. in Bull. Acad. Bnix. xi. (reprint, p. 2). South Mexico, La Parada {Hartweg), San Felipe, near Oaxaca {Andrieux, 146), CordUlera of Oaxaca, at 7500 feet {Galeotti, 651). Hb. Kew. 130. Salvia warscewicziana, Eegel in Flora, 1849, p. 184 ; Walp. Ann. iii. p. 257. Guatemala (Warscewicz). 131. Salvia xalapensis, Benth. in DC. Prodr. xii. p. 308. Salvia polystachya, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 17), non Ort. South Mexico, region of Orizaba {Botteri, 639; Bourgeau, 2857), near Jalapa {Schiede & Beppe ; Galeotti, 610 ; Linden, 117), valley of Cordova {Bourgeau). Hb. Kew. 16. SALVIASTEUM. Salviastrum, Scheele in Linnsea, xxii. p. 584; Benth. et Hook. Gen. Plant, ii. p. 1196; A. Gr. Synop. Fl. N. Am. ii. p. 366 (sect. Salvia) , Two species in the Texano-Mexican region. LABIATE. 567 1. Salviastrum texanum, Scheele in limisea, xxii. p. 584 ; Walp. Ann. iii. p. 259 : Torr. & Gr. Pacif. EaU. Eep. ii. t. 6. Texas ; New Mexico. — Noeth Mexico, Monterey (Eaton & Edwards, 43). Hb. Kew. 17. MONAEDA. Monarda, Linn. Gen. Plant, n. 37; Benth. et Hook. Gen. Plant, ii. p. 1197. An exclusively North- American genus of about nine herbaceous species. 1. Monarda Citriodora, Cerv. in Lag. Nov. Gen. et Sp. p. 2 ; DC. Prodr. xii. p. 363 ; A. Gr. Synop. PI. N. Am. ii. p. 375. Monarda aristata, Nutt. in Trans. Am. Phil. Soc. n. ser. v. p. 186. Nebraska to Texas, Coloeado and Aeizona. — Noeth Mexico, Monterey (Eaton & Edwards), San Lorenzo de Laguna &c. [Palmer). Hb. Kew. 2. Monarda fistulosa, Linn. Sp. Pi. i. p. 22 ; DC. Prodr. xii. p. 361 ; A. Gr. Synop. Fl. N. Am. ii. p. 374. A very widely dispersed species, ranging from Canada and British Columbia to Arizona, Texas, and Florida; It was also collected by Schiede near Jalapa, where, however, it may have escaped from cultivation. 18. LOPHANTHUS. Lophanthus, Benth. in Bot. Reg. t. 1283; Benth. et Hook. Gen. Plant, ii. p. 1198. A genus of about six species, inhabiting North America and extratropical Eastern Asia. 1. Lophanthus urticifolius, Benth. in Bot. Keg. sub t. 1282; DC. Prodr. xii. p. 368 ; A. Gr. Synop. Fl. N. Am. ii. p. 376. Oeegon to Califoenia, — Noeth Mexico, on Mount Graham, within the old boundary, at 9000 feet {BothrocJc). 19. DKACOCEPHALUM. Dracocephalum, Linn. Gen. Plant, n. 729 ; Benth. et Hook. Gen. Plant, ii. p. 1199. About thirty herbaceous species, inhabiting Europe, the Mediterranean region, and extratropical Asia, and one (or two) North America. 1. Dracocephalum parviflorum, Nutt. Gen. N. Am. Pi. ii. p. 35 ; DC. Prodr. xii. p. 400 ; A. Gr. Synop. Fl. N. Am. ii. p. 378. New York and British Colombia, southward to Utah and New Mexico. — South Mexico, Chiapas (Ghieshreght, 92). Hb. Kew. The Mexican plant may be a different species. 568 LABIATE, 20. CEDRONELLA. Cedronella, Moench, Meth. p. 411 ; Benth. et Hook. Gen. Plant, ii. p. 1200. Four herbaceous species, whereof one inhabits the Canary Islands, and the rest North America. 1. Cedronella hastifolia, Eegel, Ind. Sem. Hort. Petrop. 1869, An. Bot. p. 85. Mexico. 2. Cedronella mexicana, Benth. Lab. p. 502 ,- DC. Prodr. xii. p. 405 ; A. Gr. Synop. Fl. N. Am. ii. p. 377. Bracocephalum meucicanum, H. B. K. Nov. Gen. et Sp. ii. t. 160. Gardoquia betonicoides, Lindl. Bot. Reg. 1838, Misc. p. 86 ; Bot. Mag. t. 3860. NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 762) ; South Mexico, valley of Mexico (Bourgeau, 864 ; Schaffner, 397), Anganguio (ffartweg), Eeal del Monte (Coulter, 1074), near Tlalpujahua (Graham), near Pazcuaro (Humboldt & Bowpland). Hb. Kew. 3. Cedronella pallida, Lindl. Bot. Eeg. 1846, t. 29 ; DC. Prodr. xii. p. 406. NoETH Mexico, introduced and cultivated by Mr. Scheer, probably through Mr. Potts of Chihuahua. 4. Cedronella, sp. South Mexico, Zimapan (CowZ^er, 1078), without locality (Sumichrast, 1910). Hb. Kew. 21. SALIZAEIA. Salizaria, Torr. Bot. U.S. &Mex. Bound. Surv. p. 133, t. 39 (Salazaria in textu) ; Benth. et Hook. Gen. Plant, ii. p. 1301 ; A. Gr. Synop. Fl. N. Am. ii. p. 382. A shrubby monotype. 1. SaUzaria mexicana, Torr. Bot. U.S. & Mex. Bound. Surv. p. 133, t. 39. Utah to Aeizona and Calieoenia. — Noeth Mexico, Parras, Coahuila (Palmer, 1083), ravines Chihuahua (Parry). Hb. Kew. 22. SCUTELLAEIA. Scutellaria, Linn. Gen. Plant, n. 734 ; Benth. et Hook. Gen. Plant, ii. p. 1201. Herbs, half-shrubs, or very rarely shrubs. There are about ninety species known ; and they are very generally dispersed in temperate regions, including the mountains within the tropics. Very few inhabit the mountains of Tropical Africa ; and the genus appears to be unrepresented in South Africa. 1. Scutellaria Caerulea, M05. et Sesse, ex Benth. in Bot. Eeg. sub t. 1493 ; DC. Prodr. xii. p. 429. South Mexico, region of Orizaba, 9000 to 10,000 feet (Galeotti, 681 ; Linden, 123; LABIATE. 569 Botteri, 796), valley of Mexico {Bourgeau, 397 ; ScJiaffner, i21), Eeal del Monte and Zimapan {Coulter, 1125), Anganguio (Hartweg), Chiapas (Ghiesireght, 802). Hb. Kew. 2. Scutellaria COCCinea, H. B. K. Nov. Gen. et Sp. il. p. 325 ; DC. Prodr. xii. p. 415 1 Guatemala, Volcan de Fuego, 3800 feet (Salvin). — Colombia. Hb. Kew. 3. Scutellaria costaricana, Wendl. ; Bot. Mag. t. 5439. Costa Eica (Wendland ; Endres, 201). Hb. Kew. 4. Scutellaria drummondii, Benth. Lab. p. 441; DC. Prodr. xii. p. 428; A. Gr. Synop. Fl. N. Am. ii. p. 380. Texas. — Mexico, Zimapan {Coulter, 1127). Hb. Kew. 5. Scutellaria longifolia, Benth. in Bot. Keg. sub t. 1493 ; DC. Prodr. xii. p. 414. " New Spain " {Mogino & Sesse). 6. Scutellaria microphylla, Mo§. et Sesse, ex Benth. in Bot. Keg. xviii. sub 1. 1493 ; DC. Prodr. xii. p. 427. " New Spain " {Mogino & SessS). 7. Scutellaria mociniana, Benth. Lab. p. 442 ; DC. Prodr. xii. p. 430 ; 111. Hort. t. 362 ; Rev. Hort. 1872, p. 350, cum ic. color. Perilomia fruticosa, Ch. et Schl. in Linnsea, v. p. 103. South Mexico, near Jalapa {Schiede & Deppe). 8. Scutellaria multiflora, Benth. in Bot. Keg, sub t. 1493 ; DC. Prodr. xii. p. 415. " New Spain " {Mogino & SessS). 9. Scutellaria purpuraSCenS, Sw. FL Ind. Occ. ii. p. 1013; DC. Prodr. xii. p. 416 ; Griseb. Fl. Brit. W. Ind. p. 492. South Mexico, region of Orizaba {Bourgeau, 2796) ; Costa Rica, Cartago {(Ersted).— Colombia and Guiana to Brazil, and Cuba to Trinidad. Hb. Kew. j3. heterophyUa, Benth. in DC Prodr. xii. p. 416. Guatemala {Friedrichsthal). Hb. Kew. 10. Scutellaria splendens, Uak, Kl. et Otto, Ic. PL Rar. i. p. 31, t. 13; DC. Prodr. xii. p. 415. Perilomia cordifolia, Ch. et Schl. in Linnsea, vi. p. 374. BIOL. CENTR.-AMER., Bot. VoL IL, Juuc 1882. 4 d 570 LABIATJE. South Mexico, Zacuapan [Linden, 209), Cordillera of Vera Cruz, at 3000 feet (Galeotti, 907), Misantla [Hahn). Hb. Kew. 23. PEKILOMIA. Perilomia, H. B. K. Nov. Gen. et Sp. ii. p. 336, t. 159 ; Benth. et Hook. Gen. Plant, ii. p. 1203. About eight shrubby species, inhabiting America from Mexico to Bolivia and Chili. 1. Perilomia tomentosa, Benth. Lab. p. 446 ; DO. Prodr. xii. p. 432. South Mexico (Mogino & Sesse). — Peeu. 24. BEUNELLA. Brunella, Linn. Gen. Plant, ed. 1, p. 77 {Prunella, Linn. Gen. Plant, n. 735) ; Benth. et Hook. Gen. Plant, ii. p. 1303. Two or three herbaceous species, very widely diffused in temperate regions, including the mountains within the tropics. 1. Brunella vulgaris, Linn. Sp. PI. p. 837 ; DC. Prodr. xii. p. 410 ; A. Gr. Synop. Fl. N. Am. ii. p. 382. This species is spread over the whole range of the genus, in Europe, Asia, America, and Australia. Hb. Kew. 25. PHYSOSTEGIA. Physostegia, Benth. in Bot. Reg. sub t. 1389 ; Benth. et Hook. Gen. Plant, ii. p. 1304. Three herbaceous species, inhabiting North America. 1. PhySOStegia virgiuiana, Benth. Lab, p. 504 ; DC. Prodr. xii. p. 433 ; A. Gr. Synop. Fl. N. Am. ii. p. 383 (varietates). Bracocephalum virginianum, Linn. ; Bot. Mag. t. 467. Dracocephalum variegatum, Vent. Hort. Gels. t. 44. DracocepJialum speciosum, Sweet's Brit. PL Gard. t. 93. Physostegia imbricata, Hook. Bot. Mag. t. 3386, non Benth. Canada and Saskatchewan to Florida and Texas. — North Mexico, Saltillo, Coahuila. [Palmer, 2043). Hb. Kew. 26. MARRUBIUM. Marrubium, Linn. Gen. Plant, n. 731 ; Benth. et Hook. Gen. Plant, ii. p. 1306. Herbs. About thirty species, inhabiting Europe, North Africa, and especially extra- tropical Asia, one of which is now common in America, both North and South. 1. Marrubium vulgare, Linn. Sp. Pi. p. 816 ; DC. Prodr. xii. p. 453 ; A. Gr. Synop. Fl. N. Am. ii. p. 384 ; Hayne, Arzn. Gew. xi. t. 40. LABIATE. 671 MarmUum hamatum, H. B. K. Nov. Gen. et Sp. ii. p. 310. North Mexico, Sierra Madre {Seemann, 2078) ; South Mexico, Chapultepec, 7000 to 8000 feet (Humholdt & Bonpland), Keal del Monte at 8000 feet (Galeotti, 703 ; Coulter, 1129), Tolncsi (Andrieux, 153), Cordillera of Oaxaca, 7000 feet (Galeotti, 672), Jalapa (Schiede & Depjoe), valley of Mexico (Bourgeau, 1227), Guanajuato (Hartweg^ 169). Hb. Kew. Dr. A. Gray regards this as an introduced plant in America, whilst Bentham and Hooker state that it is doubtful whether it is indigenous or introduced from Europe. 27. STACHYS. Stachys, Linn. Gen. Plant, n. 719 ; Benth. et Hook. Gen. Plant, ii. p. 1208. Herbs, or rarely shrubby. Nearly 200 species have been described ; and they are almost universally dispersed, except in the colder regions, though the genus is not represented by indigenous species either in Australia or New Zealand. 1. Stachys agraria, Ch. et Schl. in Linnsea, V. p. 100 ; DC. Prodr. xii. p. 479 ; A. Gr. Synop. Fl. N. Am. ii. p. 386. Stachys grahami, Benth. Lab. p. 551. Texas.— NoETH Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 735) ; South Mexico, valley of Mexico {Bourgeau, 399 ; Schaffner, 400),, region of Orizaba {Muller, 760; Botteri, 611), Real del Monte {Coulter, 1076), Jalisco {Beechey), Aguas Calientes {Hartweg), near La Joya {Schiede & Beppe). Hb. Kew. [Stachys arvensis, Linn., a European species, is naturalized in Mexico and Central America.] 2. Stachys boraginoideS, Ch. et Schl. in Linnsea, V. p. 100 ; DC. Prodr. xii. p. 468. South Mexico, Jalapa {Schiede 8f Beppe). Hb. Kew. 3. Stachys COCCinea, Jacq. Hort. Schcenb. iii. p. 18, t. 284 ; DC. Prodr. xii. p. 467 ; A. Gr. Synop. Fl. N. Am. ii. p. 388 ; Bot. Mag. t. 666 ; Andr. Bot. Eep. t. 310. Stachys cardinalis, Kunze in Bot. Zeit. 1844, p. 645. Texas to Arizona. — Nobth Mexico, Chihuahua {Thurher), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 732) ; South Mexico, valley of Cordova {Bourgeau, 1547 ; Andrieux, 152), Guanajuato {Hartweg, 166), Cordillera of Oaxaca, at 7000 feet {Galeotti, 636), Eeal del Monte {Coulter, 1075) ; Guatemala, Volcan de Fuego, 7000 feet (Salvin). Hb. Kew. ^ 4(Z2 572 LABIATiE. 4. Stachys drummondii, Benth. Lab. p. 551 ; DC. Prodr. xii. p. 478 ; A. Gr. Synop. El. N. Am. ii. p. 386. Texas.— Mexico, Real del Monte {Coulter, 1071, 1073), Orizaba {JBotteri, 642). Hb. Kew. 5. Stachys eriantha, Benth. Lab. p. 549 ; DC. Prodr. xii. p. 479. Mexico (Mogino & Sesse). 6. Stachys galeotti, Mart, in Bull. Acad. Brux. xi. (reprint, p. 8) ; DC. Prodr. xii. p. 479. South Mexico, Moran, near Eeal del Monte, 7500 to 8000 feet {Galeotti, 698). 7. Stachys hirsuta, H. B. K. Nov. Gen. et Sp. ii. p. 308 ; DC. Prodr. xii. p. 468. South Mexico, between Actopan and Totonilco, at about 7000 feet {Rvmboldt & Bonpland). 8. Stachys keerlii, Benth. Lab. p. 551 ; DC. Prodr. xii. p. 480. Stachys excelsa, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 10). South Mexico, near Tlalpujahua {Keerl), Cordillera of Oaxaca, at 8000 feet {Galeotti, 662). Hb. Kew. 9. Stachys lindeni, Benth. in DC. Prodr. xii. p. 467. Stachys boraginoides, Benth. Lab. p. 540, non Mart, et Gal. South Mexico, Orizaba {JBotteri, 635), San Bias to Tepic {Sinclair), valley of Mexico {Bourgeau, 1547), Sierra San Pedro Nolasco &c. {Jurgensen, 880), Teapa, Tabasco {Linden, 127). Hb. Kew. 10. Stachys mexicana, Benth. Lab. p. 541 ; DC. Prodr. xii. p. 469. Mexico {Mopino & SessS). 11. Stachys nepetgefolia, Desf. Cat. Hort. Par. p. 58 ; DC. Prodr. xii. p. 471. Nepeta circinata, Willd. Enum. PI. Hort. Berol. p. 602. South Mexico, valley of Mexico {Bourgeau, 398). Hb. Kew. This species was founded on cultivated specimens, supposed respectively to be of Spanish and Cappadocian origin ; but there is no doubt that it is a Mexican plant, as we have exactly matched authenticated specimens of the cultivated plant with wild ones from Mexico. 12. Stachys parvifolia, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p.- 9) ; DC. Prodr. xii. p. 480. SouTU Mexico, Moran, near Keal del Monte, at 7500 to 8000 feet {Galeotti, 701). LABIATiE. 573 13. Stachys pilosissima, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 10); DC. Prodr. xii. p. 469. South Mexico, Cerro de San Felipe, near Oaxaca, at 8000 feet (Galeotfi, 647). Hb. Kew. 14. Stachys repens, Mart, et Gal. in Bull. Acad. Brux. xi. (reprint, p. 10) ; DC. Prodr. xii. p. 479. South Mexico, peak of Orizaba, 9500 to 11,000 feet {Galeotti, 682; Linden, 124), Desierto Viejo {Bourgeau, 863). Hb. Kew. 15. Stachys rotundifolia, M05. et Sesse, ex Bentb. Lab. p. 548 ; DC. Prodr. xii. p. 478. " New SpAm " {Mopino & SessS). 16. Stachys SChiedeana, Scbl. in Linnsea, vii. p. 398 ; DC. Prodr. xii. p. 468. South Mexico, near Jalapa (Schiede & Deppe). 28. TETRACLEA. Tetraclea, A. Gr. in Am. Journ. Sc. ser. 2, xvi. p. 98 ; Benth. et Hook. Gen. Plant, ii. p. 1330. An herbaceous or balf-shrubby monotype. 1. Tetraclea COUlteri, A. Gr. in Am. Journ. Sc. ser. 2, xvi. p. 98 ; Synop. Fl. N. Am. ii. p. 347 ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 134, t. 41. Texas to Arizona. — Nokth Mexico, San Lorenzo de Laguna, Coabuila {Palmer, 1104), Sonora [Smith], region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 726) ; South Mexico, Zimapan {Coulter, 1072). Hb. Kew. 29. TRICHOSTEMA. Trichostema, Linn. Gen. Plant, n. 733 ; Benth. et Hook. Gen. Plant, ii. p. 1219. Eight herbaceous species, inhabiting North America. 1. Trichostema arizonicum, A. Gr. in Proc. Am. Acad. viii. p. 371, et Synop. Fl. N. Am. ii. p. 348. Trichostema dichotomwm, Torr. Bot. U.S. & Mex. Bound. Surv. p. 134, non Linn. Arizona. — North Mexico, Chiricahui Mountains {Wright). 574 LABIATE. 30. TEUCEIUM. Teucrium, Linn. Gen. Plant, n. 706 ; Benth. et Hook. Gen. Plant, ii. p. 1221. Herbs or shrubs. Nearly 100 species, generally diffused in temperate and warm countries, though fewer in the latter ; most numerous in the Mediterranean region. 1. Teucrium canadense, Linn. Sp. Pi. p. 789; DC. Prodr. xii. p. 581 ; A. Gr. Synop. Fl. N. Am. ii. p. 349. Canada to Texas. — North Mexico, west of Cerralbo {Gregg), Parras, Coahuila {Palmer, 1099). Hb. Kew. 2. Teucrium CUbense, Linn. Mant. p. 80 ; DC. Prodr. xii. p. 578 ; A. Gr. Synop. Fl. N. Am. ii. p. 349 ; Jacq. Obs. t. 30 ; Griseb. Fl. Brit. W. Ind. p. 492. Texas to California. — North Mexico, Monterey {Palmer, 1100), region of San Luis Potosi, 6000 to 8000 feet {Parry & Palmer, 121), Sonora {Wright); South Mexico, near Papantla {Schiede & Beppe). — Cuba to Buenos Atres. Hb. Kew. 8. Teucrium inflatum, Sw. Prodr. Fl. Ind. Occ. p. 88 ; DC. Prodr. xii. p. 581 ; Griseb. Fl. Brit. W. Ind. p. 492 ,• Desc. Fl. Antill. iii. t. 223. South Mexico, Tehuacan at 5000 feet {Galeotti, 638), Orizaba {Botteri), valley of Cordova {Bourgeau, 1586) ; Qxj atemala {Friedrichsthal ; Bernoulli); Nicaragua, near Granada {L6vy). Widely dispersed in Tropical America, West Indies, and Polynesia. Hb. Kew. 4. Teucrium laciniatum, Torr. in Ann. Lye. N. York, ii. p. 231 ; DC. Prodr. xii. p. 579 ; A. Gr. Synop. Fl. N. Am. ii. p. 349. Colorado to Texas and Arizona. — North Mexico, San Lorenzo de Laguna, Coahuila {Palmer, 1101). Hb. Kew. Order CV. PLANTAGINE^. Plantaginete, Benth. et Hook. Gen. Plant, ii. p. 1223. Herbaceous and half-shrubby plants. The Order consists of three genera — the following, and one Andean and one European of one or two species each. 1. PLANTAGO. Plantago, Linn. Gen. Plant, n. 142 ; Benth. et Hook. Gen. Plant, ii. p. 1224. Upwards of 200 species are described by Decaisne; but Bentham and Hooker estimate that there are probably not more than 100 distinct species. The Mexican species are PLANTAaiNE^. 575 in need of revision ; and, judging from the specimens we have seen, there are at most six species. 1. PlantagO aristata, Michx. Fl. Bor.-Am. i. p. 95 ,- DC. Prodr. xiii. 1, p. 714. Illinois southward. — Mexico, Matamoros {Berlandier). Hb. Kew. Dr. A, Gray (Synop. Fl. N. Am. ii. p. 391) refers this to P. patagonica, Jacq., and states that most of the dozen species of the same division in the ' Prodromus ' belong to the same species. 2. PlantagO bernouUiana, Vatke in Oester. Zeitschr. 1875, p. 48. Guatemala ? {Bernoulli) . 3. PlantagO Cumingiana, Fisch. etMey. Ind. Sem. Hort. Petrop. 1837, p.44; DC. Prodr. xiii. 1, p. 723. South Mexico, between Tampico and Keal del Monte {Berlandier). 4. PlantagO flocCOSa, Dene, in DC. Prodr. xiii. 1, p. 723. South Mexico, Tula to Tampico {Berlandier, 750). Hb. Kew. 5. PlantagO galeottiana, Dene, in DC. Prodr. xiii. 1, p. 726. South Mexico, Cordillera around Real del Monte, at 7500 feet, and around Oaxaca, at 9000 feet {Galeotti, 1425, 1427). Hb. Kew. 6. PlantagO hirtella, H. B. K. Nov. Gen. et Sp. ii. p. 229, t. 127 ; A. Gr. Synop. Fl. N. Am. ii. p. 392. Califoenia. — Mexico (ex A. Gray). — Chili. 7. PlantagO major, Linn. Sp. PL p. 163; A. Gr. Synop. Fl. N. Am. ii. p. 389. In nearly all temperate and warm countries, including Mexico and Central Amekica. Hb. Kew. 8. PlantagO mexicana, Link, Enum. Pi. Hort. Berol. i. p. 121 ; DC Prodr. xiii. 1, p. 713. Noeth Mexico, region of San Luis Potosi, 6000 to 8000 feet {Parry S Palmer, 765) ; South Mexico, valley of Mexico {Bourgeau, 180; Schaffner, 449), Aguas Calientes {Eartweg), San Andres {ScUede & Beppe), Morelia, 7000 feet {Galeotti). Hb. Kew. 9. PlantagO multiceps, H. B. K. Nov. Gen. et Sp. ii. p. 228 ; DC. Prodr. xiii. 1, p. 711. South Mexico, around Toluca {Eumholdt & Bonpland). 10. PlantagO nivea, H. B. K. Nov. Gen. et Sp. ii. p. 228 ; DC. Prodr. xiii. 1, p. 712. South Mexico, near Guanajuato, at about 7200 feet {Humboldt & Bonpland). 576 PLANTAGINE^. 11. PlantagO philippica, Cav. Ic. PL iv. p. 35, t. 359. fig. 2 ; DC. Prodr. xiii. 1, p. 711. Mexico (Berlandier). 12. PlantagO SChiedeana, Dene, in DC. Prodr. xiii. 1, p. 723. South Mexico, Orizaba (Galeotti, 1420), 13. PlantagO virginica, Linn. Sp. PI. ii. p. 164; DC. Prodr. xiii. 1, p. 722; A. Gr. Synop. PL N. Am. ii. p. 391 (varietates). New England to Illinois, Flobida, and Texas. — Noeth Mexico, Sonora (Schott), region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 763); South Mexico, ■valley of Mexico [Bourgeau, 182, 400), Jalapa {Galeotti, 1419), Real del Monte [Coulter, 926), Vera Cruz to Orizaba (Muller). Hb. Kew. 14. PlantagO XOrullensis, H. B. K. Nov. Gen. et Sp. ii. p. 228 ; DC. Prodr. xiii. 1, p. 714. South Mexico, Volcan de JoruUo (Humboldt & Borvpland). 576 PLANTAGINB^. 11. PlantagO philippica, Cav. Ic. Pi. iv, p. 35, t. 359. fig. 2 ; DC. Prodr. xiii. 1, p. 711. Mexico {Berlandier). 12. PlantagO Schiedeana, Dene, in DC. Prodr. xiii. 1, p. 723. South Mexico, Orizaba {Galeotti, 1420). 13. PlantagO virginica, Linn. Sp. PI. ii. p. 164; DC. Prodr. xiii. 1, p. 722; A. Gr. Synop. Fl. N. Am. ii. p. 391 (varietates). New England to Illinois, Florida, and Texas. — Noeth Mexico, Sonora (Schott), region of San Luis Potosi, 6000 to 8000 feet {Tarry & Palmer, 763); South Mexico, valley of Mexico {Sourgeau, 182, 400), Jalapa {Galeotti, 1419), Eeal del Monte {Coulter, 926), Vera Cruz to Orizaba {Muller). Hb. Kew. 14. PlantagO XOrullensis, H. B. K. Nov. Gen. et Sp. ii. p. 228 ; DC. Prodr. xiii. 1, p. 714. South Mexico, Volcan de JoruUo {Humboldt & Bonpland). mm