434 SOLANACEA. 
37. Cestrum terminale, Dun. in DC. Prodr. xiii. 1, p. 608. 
Cestrum parqui, Benth. Pl. Hartw. p. 24, non Linn. 
Sour Mexico, pine woods, Bolafios (Hartweg), San Nicolas (Bourgeau, 983, in part). 
Hb. Kew. 
38. Cestrum thyrsoideum, H.B. K. Nov. Gen. et Sp. iii. p. 63; DC. Prodr. 
xiii. 1, p. 612. 
South Mexico, near Chalco, at about 7000 feet (Humboldt & Bonpland; Schaffner). 
Hb. Kew. 
39. Cestrum vespertinum, Linn.; Griseb. Fl. Brit. W. Ind. p. 448; Jacq. 
Hort. Scheenb. 111. t. 328. 
Panama (Cuming, 1268).—Southward to Perv and Brazin, and in the WEST Ivpres. 
Hb. Kew. 
40. Cestrum viride, Moric. ; DC. Prodr. xiii. 1, p. 606. 
Mexico, cultivated (Berlandier). 
| Hyoscyamus albus, Linn., an Old-World plant, appears to be’ naturalized in North 
Mexico, as Palmer collected it in Coahuila. | 
23. NICOTIANA. 
Nicotiana, Linn. Gen. Plant. n. 248; Benth. et Hook. Gen. Plant. i. p. 906. 
Herbs, or a few species woody at the base; very few quite shrubby. Upwards of 
fifty species have been described, many of them on very slight characters. The greater 
part are American, chiefly western, ranging from Oregon to Chili; a few appear to be 
indigenous in Australasia and the Pacific Islands; and several are commonly naturalized 
in warm countries, where they have escaped from cultivation. 
1. Nicotiana glauca, Graham, Bot. Mag. t. 2837; DC. Prodr. xiii. 1, p. 962, 
Nicotidendron, Griseb. Pl. Lorentz. p. 168. 
Nortu Mexico, Sierra Madre (Seemann, 2092); Sourn Mexico, Tacubaya (Bilimek), 
valley of Mexico (Bourgeau, 109).—Apparently endemic in BuENnos Ayres and Uruguay. 
Hb. Kew. 
2. Nicotiana ipomopsiflora, Dun. in DC. Prodr. xiii. 1, p. 559; Calques des 
Dess. Fl. Mex. 909. | 
Nicotiana trigonophylla, Dun. loc. cit. p.562; A. Gr. Synop. Fl. N. Am. ii. p. 242. 
Texas to Cautrornta.—NortH Mexico, Sonora Alta (Coulter, 1255), Monterey 
_(Berlandier), region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 660).— 
Soutn Mexico, Leon (Hartweg). Hb. Kew. 
8. Nicotiana longiflora, Cav. Descr. p. 106; DC. Prodr. xiii. 1, p. 566; Sweet’s 
Brit. Fl. Gard. ser. 2, t. 196. 
Mexico ?—Cuiui and Burnos AYRES. 
