MOUNT RORAIMA IN BRITISH GUIANA, 21 
MAHURIA EXSTIPULATA, Benth. in Hook. Lond. Journ. Bot. ii. (1843), p. 365. 
Silima Creek in the Ireng Valley, McConnell & Quelch, 270. 
MALVACE.E. 
SIDA, sp. Specimen insufficient for determination, but apparently a new species. 
Ireng Valley, MeConnell & Quelch, 267. 
Pavonta speciosa, H. B. & K. Nov. Gen. & Sp. v. p. 281. 
Kotinga Valley, McConnell &  Quelch, 176. Karona Falls on the Ireng River, 
Me Connell & Quelch, 228. Ireng Valley, McConnell & Quelch, 257. 
PAVONIA CANCELLATA, Cay. Diss. iii. p. 135. 
Ireng Valley, McConnell & Quelch, 248. 
Fucosra CAMPESTRIS, Benth. in Hook. Journ. Bot. iv. (1842), p. 120. 
Ireng Valley, McConnell A: Quelch, 213, 239, 
STERCULIACE.E. 
HELICTERES GUAZUM@FOLIA, H. B. & K. Nov. Gen. & Sp. v. p. 304. 
Ireng Valley, McConnell A: Quelch, 212. 
MELOCHIA MELISS.EFOLIA, Benth. in Hook. Journ. Bot. iv. (1842), p. 129. 
Ireng Valley, McConnell A: Quelch, 231. 
Mexocuta HIRSUTA, Cav. Diss. vi. p. 323. 
Ireng Valley, McConnell § Quelch, 255. 
WALTHERIA VISCOSISSIMA, A. St. Hil. Fl. Bras. Mer. i. p. 150. 
Kotinga Valley, McConnell A: Quelch, 168. 
MALPIGHIACE. 
BYRSONIMA VERBASCIFOLIA, Rich. ez Juss. in Ann. Mus. Par. xviii. (1811), p. 481. 
- Ireng Valley, McConnell & Quelch, 226. 
HETEROPTERIS OLEJEFOLIA, Griseb. in Linnzea, xxii. (1849), p. 19. 
H. daphnoides, Griseb. in R. Schomb. Reisen in Brit.-Guiana, iii. p. 1096. 
Upper slopes of Mount Roraima, McConnell § Quelch, 21, 319.—Endemiec. 
TETRAPTERIS SQUARROSA, Griseb. in Mart. Fl. Bras. xii. pt. 1. p. 87. 
Ireng Valley, McConnell & Quelch, 241. 
GERANIACE.E. 
OXALIS DISTANS, A. St. Hil. Fl. Bras. Mer. i. p. 115. 
; O. Schomburgkiana, Prog. in Mart. Fl. Bras. xii. pt. 11. p. 500. 
Ireng Valley, McConnell § Quelch, 202. 
