MOUNT RORAIMA IN BRITISH GUIANA. 79 
16. TRICHOMANES MACILENTUM, Van den Bosch, Hymenophyll Nov. p. 12; Baker in 
Trans. Linn. Soc. Ser. II. Bot. ii. (1887), p. 289. i | 
Mazaruni River, 250 ft., Me Connell & Quelch, 578; between 250 and 3000 ft., Me Connell 
& Quelch, 597. 
British Guiana: upper slopes of Roraima; forests near the Kaieteur Savannah 
Potaro River; Amutu, below the Kaieteur Fall, Potaro River: Macouria River; also i 
Trinidad and Brazil, especially the northern provinces. 
This is regarded by Mr. Baker (Trans. Linn. Soc. /oc. cit.) as a variety of 7. Bancroft ii, 
Hook. & Grev. : 
17. TRicHOMANES Bancrortit, Hook. et Grey. Ic. Fil. t. 204; R. Schomb. Reisen in 
Brit.-Guiana, iii. p. 1043; Appun, Unter den Tropen, ii. p. 594. 
Mazaruni River, between 250 and 3000 ft., WeConnell & Quelch, 587. 
British Guiana: Amutu and below the Kaieteur Fallon the Potaro River; also in 
the West Indies, Guatemala, French Guiana, Northern Brazil, and Peru. 
18. TRICHOMANES BRACHYPUS, Kunze, in Linn:ea, ix. (1834), p. 105; R. Schomb. Reisen 
in Brit.-Guiana, ii. p. 272, iii. p. 1043; Appun, Unter den Tropen, ii. p. 594. 
T. Ankersii, Parker; R. Schomb. loc. cif. ` Appun, loc. cit. 
Roraima range, 3500 ft., McConnell & Quelch, 609. 
British Guiana: in the forest just below the Kaieteur Fall, Potaro Hiver; Amutu, 
Potaro River; Tumbana-Capra; also in St. Vincent, Trinidad, Guatemala, French 
Guiana, Venezuela, New Granada, and Brazil. 
19. TRICHOMANES PYXIDIFERUM, Linn. var. EMARGINATUM, Hook. et Baker, Syn. 
Fil. p. 81. 
Mazaruni, between 250 and 3000 ft., MeCounell & Quelch, 599. 
British Guiana: upper slopes of Roraima; also in the Andes of Quito. The type 
occurs throughout the tropics of both hemispheres. 
20. TRICHOMANES RADICANS, Sw. Fl. Ind. Occ. iii. p. 1736. 
Roraima range, 3500 ft., McConnell § Quelch, 612. 
Extending from the Southern United States, through Central America and the West 
Indies, to Southern Brazil and Bolivia; also in Western Europe, Atlantic Islands, 
West Africa, Mascarene Islands, Northern India, China, Japan, and Polynesia. 
21. TRICHOMANES RORAIMENSE, Jenm. in Gard. Chron. Ser. III. xx. (1896), p. 716. 
Summit of Roraima, 8600 ft., McConnell & Quelch, 108, 561. 
29. TRICHOMANES CRISPUM, Linn. Sp. Pl. ed. 2, p. 1560; Baker, in Trans. Linn. Soc. 
Ser. II. Bot. ii. (1887), p. 289. 
Roraima: upper slopes, Me Connell & Quelch, 63; Roraima range, 3500 ft., McConnell 
& Quelch, 616. 
