434 Mr. G. Bentham's Enumeration of the Plants 



— 507. DC. Prod.ii. 318. — Dry Savannahs, British Guiana. Schombnrgk, 

 n. 240. 



103. Stylosanthes gulanensis, Swartz. DC. Prod. ii. p. 318. — French 

 Guiana. Leprieur, Herb. Par. n. 20. 



104. Stylosanthes viscosa, Swartz. DC. Prod. ii. p. 317 — Savannahs, Bri- 

 tish Guiana. Schomburgk, n. 178 or 278. 



105. Stylosanthes angustifolia, Vogel, Linnsea, xii. p. 63. — Spicae tenues, 

 ssepe ultrapollicares, basi subinterruptse. Flores inferiores 4 — 8 foeminei, 

 incompleti, stylo multo longiore quam in cseteris speciebus, superiores pauci 

 completi steriles. — French Guiana. Herb. Par. n. 18. 



106. Nicholsonia cayennensis, DC. Prod. ii. p. 325. — British Guiana. 

 Schomburgk, n. 19. — French Guiana. Leprieur, Herb. Par. n. 15. This 

 and the N. venustula are probably mere varieties of N, harhata. 



107. Desmodiiim pachyrrhizum, Vogcl, Linnsea, xii. p. 97. — British Gui- 

 ana. Schomburgk, n. 657. The specimens agree both with Vogel's de- 

 scription and with others gathered by Pohl in Brazil. 



108. Desmodium elatum, Humb. et Kunth, Nov. Gen. et Sp. vi. p. 527. 

 DC. Prod. ii. p. 328. — British Guiana. Schomburgk. Gardner's n. 971. 

 from Pernambuco appears to be the same species though less hairy. 



109. Desmodium asperum, Desv. DC. Prod. ii. p. 333. Folia nonnun- 

 quam, prsesertim inferiora, unifoliolata. — French Guiana. Leprieur. 



no. Desmodium ruhiginosum, caule herbaceo obtuse tetragono erecto pe- 

 tiolisque rufo-villosis, stipulis basi dilatatis stipellisque striatis longe acumi- 

 natis, foliolis 3 ovatis obtusis mucronatis crassis utrinque tomentoso-villosis 

 rufescentibus. racemis paniculatis terminalibus, floribus parvis numerosis, 

 leguminibus moniliformibus pluriarticulatis hispidulis. Affine D. aspero, at 

 satis distincta videtur. Foliola minora, mollius et densius villosa. — British 

 Guiana. Schomburgk, n. 217. 



111. Desmodium ancistrocarpum, DC. Prod. ii. p. 331. Species a D. in' 

 cano parum diversa. — French Guiana, Leprieur ; and in various Brazilian 

 collections. 



112. Desmodium cajancefolium, DC. Prod. ii. p. 331. — Hedysarum caja- 

 naefolium, Humb. et Kunth, Nov. Gen. et Sp. vi. p. 525. t. 598. var. ? foliis 

 supra pilis minutis sparse hirtellis — British Guiana. Schomburgk, n. 648. 



Tribe PiiASEOLEiE, DC. 



113. CUtoria Poitcei, DC. Prod. ii. p. 234. — British Guiana. Schomburgk. 

 Panama or Western Columbia. Cuming, n. 1141. 



In this species the bracteolse are much shorter than the calyx, yet, 

 on account of its habit, it must be referred to the section Bractearia, 

 •which would remain characterized by the frutescent stem and trifo- 

 liolate leaves only. I am informed also that the name Bractearia 

 has been given to a genus of Rubiaceee and to a section of ChcetO' 

 gastra, and although it does not seem strictly necessary that the 

 same sectional name be not used in different genera, yet as Bractearia 



