SCHOMBURGk's GUIANA PLANTS. 99 



Vr Contributions towards a Flora of South America — 



Enumeration of Plants Collected by Ma Schomburgk, in 



British Guiana. — By George Bentham, Esq., F.L.S., 



&c., &c. 



^Continued from Vol. III. page 250.) 



Capparidace^. 



573. Physostemon intermedium, Moric. PL Nouv. Amer. 62. 



t. 42 P. ambiguum, Bong, in Mem. Acad. Petrop. ser. vi. v. v. 



t. 3. Cleome Guianensis, Aubl. — DC. Prodr. i.p. 240. — Sands 

 and savannahs of the Ilupunoony, Corentyn, 8tc. Schomburgk, 

 n. 204, Ceara, Gardner^ n. 2394, and in other Brazilian col- 

 lections. 



Gardner's n. 2036, from Piauhy, is P. tenuifolium. Mart. ; 

 n. 1239 from Alagoas, and 2034 from Piauhy, are P. rotun- 

 difoliu7)i, Mart. ; and n. 1449, and 2395, from Ceara, are also 

 species of Physostemon. 



576. Cleome pungens, Willd. — DC. Prodr. i. p. 239. — 

 Rio Negro, Schomburgk, n. 916; Rio Janeiro, Tweedie, n. 

 1296; Pernambuco, Gardner, n. 916, and in various West 

 Indian and Brazilian collections. 



577. C. aculeata, Linn DC. Prodr. v. i. p. 241. — Pedrero 



on the Rio Negro, Schomburgk, n. 862.--French Guiana, 

 Leprieur. 



Gardner's n. 308, from the Organ Mountains, is C spinosa, 

 his n. 5 and 6, from Rio Janeiro, and 309 from the Organ 

 Mountains; Tweedie's n. 1295, 1297, and 1298, from Rio 

 Janeiro; and Cuming's n. 967, and 1043, from Lima, are 

 species of Cleome, belonging to the section Pedicellaria; 

 Gardner's n.9175 from Pernambuco, (the same as 1448 from 

 Ceara), and n. 1238 from Alagoas; and Tweedie's n. 1293, and 

 1294 from Rio Janeiro, are species of the section Siliguaria. 



578. Crataeva acuminata, DC. Prodr. v. i. p. 243. — British 

 Guiana, Schomburgk, n. 341. 



POLYGALACE^. 



579. Polygala (Timutua) Timoutou, Aubl. — DC. Prodr, 



V. i. p. 328. — Sandy savannahs of Roraima, Schomburgk 



French Guiana, Leprieur, Herb. Par, n. 106. 



