MOUNT RORAIMA IN BRITISH GUIANA, 25 
Cassta Rorarma&, Benth. in Trans. Linn. Soc. xxvii. (1871), p. 574; Oliver in Trans. 
Linn. Soc. Ser. II. ii. (1887) p. 273. 
Kotinga Valley, McConnell & Quelch, 140. Roraima Range, 3500 ft., McConnell & 
Quelch, 719.—Only known from this region. 
MIMOSA MICROCEPHALA, Humb. & Bonpl. ez Willd. Sp. Pl. iv. p. 1039. 
Kotinga Valley, McConnell & Quelch, 173. 
PrrHECOLOBIUM FERRUGINEUM, Benth. in Hook. Lond. Journ. Bot. iii. (1844), p. 208; 
R. Schomb. Reisen in Brit.-Guiana, iii. p. 1038. 
Upper and lower slopes of Mount Roraima, McConnell & Quelch, 19. Roraima 
Range, 3500 ft., McConnell & Quelch, 712.—Endemic. 
The fruit described by Bentham under P. ferrugineum in Trans. Linn. Soc. xxx. 
(1875) p. 584, does not belong to that species, but to some totally different plant. 
ROSACEA. 
MoquILEA Turtuva, Hook. f. in Mart. Fl. Bras. xiv. pt. 11. p. 25. 
Savannahs generally, McConnell & Quelch, 308. 
HIRTELLA AMERICANA, Linn. Sp. Pl. ed. 1, p. 34. 
Savannahs generally, Me Connell E: Quelch, 309. 
RUBUS URTIC.EFOLIUS, Poir. Encycl. vi. p. 246. 
Upper slopes of Mount Roraima, McConnell & Quelch, 11.—Widely dispersed 
throughout Tropical America. 
It is uncertain whether A. Schomburgkii, Klotzsch, in R. Schomb. Reisen in Brit,- 
Guiana, iii. p. 1102, is a synonym of this species or identical with R. guyanensis, Focke, 
in Brem. Abh. iv. (1874), p. 160, as no description is given by Klotzsch, and Schomburgk 
collected both species. 
SAXIFRAGACEA. 
WEINMANNIA GUYANENSIS, Klotzsch, in R. Schomb. Reisen in Brit.-Guiana, iii. p. 1089 ; 
Engler, in Linnza, xxxvi. (1870), p. 605; Oliver, in Trans. Linn. Soc. Ser. II. 
Bot. ii. (1887), p. 273. 
Summit of Mount Roraima, Me Connell & Quelch, 92, 636.—Endemic. 
The foliage of this plant is somewhat variable. In some examples the leaves are all 
trifoliolate, this being the typical form; in others they all consist of one leaflet only, 
whilst others have trifoliolate and unifoliolate leaves on the same branch. 
WEINMANNIA FAGARIOIDES, H. B. & K. Nov. Gen. & Sp. vi. p. 54. 
W. glabra, Linn. f. var. ?, Oliver, in Trans. Linn. Soc. Ser. II. Bot. ii. (1887), p. 273. 
Summit of Mount Roraima, McConnell § Quelch, 639.—Also on the Andes of Peru, 
Bolivia, and Ecuador, from 6000—10,000 ft. elevation. ; | 
The specimens collected by im Thurn upon Roraima have longer leaves, with more 
SECOND SERIES.— BOTANY, VOL. VI. E 
