MOUNT R0KAIM4 IN BEITISH GUIANA. 29 



but the free (not connate) bracts and bractcoles at once separate it from the section to 

 which tlioy belong. 



Tiboi china lasiophylla, Cogn. in Mart. PI. Bras. xiv. pt. in. p. 297; and in DC. 

 Monog. Phan. vii. p. 270. 

 Pterolepis lasiophylla, Triana, in Trims. Linn. Soe. xxviii. (1871), p. 10; Oliver, in Trans. Linn. Soc. 

 Ser. II. Hot. ii. (1887), p. :>7l. 



Kotinga Valley, McConnell fy Quelch, 183, 197. Ireng Valley, McConnell 8f Quelch, 

 205. Skrpe of Mount Roraima, at 5400 ft. im Thurn, 59. — Only known from the 

 above localities. 



Tibol china aspkra, Aubl. PI. Guian. i. p. 4i6, t. 177 ; R. Schomb. Rcisen in Brit.- 

 Guiana, iii. pp. 1100, 1191. 

 Pleroma tibouchinum, Triana, in Trans. Linn. Soc. xxviii. (1871), p. 45, t. 3; Oliver, in Trans. Linn. 



Soc. Ser. II. Bot. ii. (1887), p. 271. 

 Ireng Valley, McConnell $• Quelch, 217. — Widely sjiread in Tropical South America, 

 extruding westward to Colombia and Pern. 



Marcetia taxifolia, DC. Prod. iii. p. 121; P. Schomb. Reisen in Brit. -Guiana, ii. 

 p. 216, and iii. p. 1100 ; Oliver, in Trans. Linn. Soc. Ser. II. Bot, ii. (1887), p. 273. 



Upper slopes of Mount Roraima, McConnell 8f Quelch, 13, 20; im Thwrn, 68; 

 Appun, 1114, 1153. Kotinga Valley near Roraima, McConnell Sf Quelch, 149. 



With the exception of the above localities, this species is only known from Brazil, 

 where it is a common and widely spread plant. 



Marcetia jcniperina, DC. Prod. iii. p. 125 ; Oliver, in Trans. Linn. Soc. Ser. II. Bot. 

 ii. (1887), p. 274. 

 Summit of Mount Roraima, McConnell 8f Quelch, 86, 644. — Also in Venezuela at 

 Cumana and Merida. 



Ch/Etolepis anisandra, Naud. in Ann. Sc. Nat. Ser. III. xiv. (1850), p. 140 ; Cogn. in 

 DC. Monog. Phan. vii. p. ] 71. 

 On the face of the cliff of Mount Roraima, at 7000-8000 ft., McConnell 8f Q/telch, 

 22. — Endemic. 



MonociE-ETUM Bonplandii, Naud. in Ann. Sci. Nat. Ser. III. xiv. (1850), p. 51 ; 

 Oliver, in Trans. Linn. Soc. Ser. II. Bot, ii. (1887), p. 274; Cogn. in DC. Monog. 

 Phan. vii. p. 393. 

 Kotinga Valley, McConnell A Quelch, 189. — Also in Venezuela, Colombia, Ecuador, 

 and Peru. 



Miconia holosericea, DC. Prod. iii. p. 181. 



M. albicans, Steud. Norn. ed. 2, ii. p. 139. 



Upper slopes of Mount Roraima, McConnell 8f Quelch, 28. — Throughout Tropical 

 America from Mexico to Paraguay. 



