MALVACEZ. 123 
20. THESPESIA. 
Thespesia, Corr. in Ann. Mus. Par. ix. p. 290, t. 8. fig. 2; Benth. et Hook. Gen. Plant. i. p. 208. 
An Old-World genus, one species of which, 7. populnea, is naturalized in the West 
Indies, and perhaps also on the mainland of America. 
1. Thespesia tomentosa, Presl, Reliq. Henk. ii. p. 136. 
Sout Mexico, western side (Henke). 
5 , Sof , 
This is a doubtful plant, and most likely belongs to a different genus. (sHampea tomentose (Pres!) Standt. ) 
21. BOMBYCOSPERMUM. 
Bombycospermum, Presl, Reliq. Henk. i. p. 137, t. 71. 
Bentham and Hooker (en. Plant. i. p. 208) refer it with a doubt to the genus Fugosia. 
1. Bombycospermum mexicanum, Presl, loc. cit. 
SoutH Mexico, west side (Henke). 
22. INGENHOUSIA. 
Ingenhousia, Mog., DC. Prodr. i. p. 474; Benth. et Hook. Gen. Plant. i. p. 209. 
Thurberia, A. Gray in Mem. Amer. Acad. v. p. 308. 
Limited to the following herbaceous species :— 
1. Ingenhousia triloba, Mog. in DC. Prodr. i. p. 474. 
Thurberia thespesioides, A. Gray, loc. cit. et in Torrey’s Bot. Emory’s Exped. t. 6. 
Mexico (Mogino & Sessé), Cafion near Cocospera and Ymuris, Sonora (Thurber). 
23. GOSSYPIUM. 
Gossypium, Linn. Gen. Plant. n. 845; Benth. et Hook. Gen. Plant. i. p. 209. 
Herbs or tall shrubs, about three or four species. The cultivated ones present a 
great range of variation; and it is now impossible to determine their native countries. 
One undoubtedly indigenous species is a native of Australia, and another of North-west 
India. 
1. Gossypium barbadense, Linn. Sp. Pl. p. 975. 
Cultivated and wild, probably indigenous in America. 
Tribe (or Suborder) BOMBACE. 
Represented in all tropical countries, but by far most numerously in America. 
24, PACHIRA. 
Pachira, Aubl. Pl. Guian. p. 725, tt. 291, 292 (Carolinea, Linn. fil. Suppl. p. 51); Benth. et 
Hook. Gen. Plant. i. p. 210. 
About fifteen arboreous species, restricted to Tropical America. 
r2 
