MOUNT ROK.U.UA 1\ IJKITISII GUIANA. 25 



Cassia Koraim,e, Benth. in Trans. linn. Soc. xxvii. (1871), p. 571; Oliver in Trans. 

 Linn. Soc. Ser. II. ii. (1887) p. 27:5. 

 Kotinga Valley, McCormell fy Quelch, 140. Roraima Range, 3500 It., McConnell 8f 

 Quelch, 719. — Only known IVoin this region. 



Mimosa microcephala, Humb. & Bonpl. ex Willd. Sp. PI. iv. p. 103!). 

 Kotinga Valley, McConnell 8f Quelch, 173. 



Pithecolobium ferrugineum, Benth. in Hook. Loud, .lourn. Bot. iii. (1814), p. 20s ; 

 R. Schomb. Reisen in Brit.-Guiana, iii. p. 1038. 



Upper and lower slopes of Mount Roraima, McConnell 8f Quelch, 10. Roraima 

 Range, 3500 ft., McConnell 8f Quelch, 712. — Endemic. 



The fruit described by Bentham under P. ferrugmeum in Trans. Linn. Soc. xxx. 

 (1875) p. 584, does not belong to that species, but to some totally different plant. 



ROSACEA. 



Moquilea Turiuva, Hook. f. in Mart. Ft. Bras. xiv. pt. II. p. 25. 

 Savannahs generally, McConnell Sf Quelch, 308. 



HlRTELLA AMERICANA, Linn. Sp. PI. ed. 1, p. 34. 

 Savannahs generally, McConnell Sf Quelch, 300. 



Rubus ertic.efolius, Poir. Encycl. vi. p. 246. 



Upper slopes of Mount Roraima, McConnell §• Quelch, 11. — Widely dispersed 

 throughout Tropical America. 



It is uncertain whether 11. Schomburglcii, Klotzscb, in R. Schomb. Reisen in Brit.- 

 Guiana, iii. p. 1102, is a synonym of this species or identical with B. guyouensis, Focke, 

 in Brem. Abb. iv. (1874), p. 160, as no description is given by Klotzscb, and Schomburgk 

 collected both species. 



SAXLFRAGACEJ3. 



Weinmannia guyanensis, Klotzscb, in R. Schomb. Reisen in Brit.-Guiana, iii. p. 108'J ; 

 Engler, in Linnsea, xxxvi. (LS70), p. 605; Oliver, in Trans. Linn. Soc. Ser. II. 

 Bot. ii. (1887), p. 273. 

 Summit of Mount Roraima, McConnell fy 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 8f 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 



