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MOUNT RORAIMA IN BRITISH GUIANA. | 77 
1l. PTERIDOPHYTA. 
By C. H. Wnienr, ALS 
GLEICHENIA PUBESCENS, H. B. & K. Nov. Gen. & Sp. i. p.29. Mertensia pubescens, 
Willd. ; R. Sehomb. Reisen in Brit.-Guiana, ii. p. 273: Appun, Unter den Tropen, 
ii. p. 594. 
Roraima range, 3500 ft., McConnell & Queleh, 610, 619. 
British Guiana: Kwating Creek ; also Mexico and West Indies to Chili. 
. CYATHEA VESTITA, Mart. in Denkschr. Regensb. ii. (1822), p. 146. C. hirtula, Mart. ; 
R. Schomb. Reisen in Brit.-Guiana, ii. p. 272: Appun, Unter den Tropen, ii. 
p. 594. 
Roraima range, 3500 ft., WeConnell & Quelch, 605. 
Humirida Mountains, Brazil. 
HEMITELIA SUBINCISA, Kunze, in Bot. Zeit. ii. (1844), p. 296. 
Roraima range, 3500 ft.. McConnell & Quelch, 620. 
British Guiana: Kwating Creek ; also Central and Tropical South America. 
ALSOPHILA MARGINALIS, Klotzsch, in Linnia, xviii. (1844), p. 542; Appun, Unter den 
Tropen, ii. 594. 
Roraima range, 3500 ft., WeConnell & Quelch, 604. 
Mexico. 
ALSOPHILA VILLOSA, Presl, ex Hook. Sp. Fil. i. p. 49; Appun, Unter den Tropen, ii. 
p. 594; Baker, in Trans. Linn. Soc. Ser. IT. Bot. ii. (1887), p. 289. Cyathea villosa, 
H. B. & K. Nov. Gen. & Sp. i. p. 24, and vii. t. 670. 
Roraima range, 3500 ft., McConnell & Quelch, 621. 
— British Guiana: Arapu River; also throughout Tropical South America. 
ALSOPHILA MICROPHYLLA, Klotzsch, in Linn:ea, xviii. (1844), p. 541. 
Roraima range, 3500 ft., Me Connell & Quelch, 606. 
Venezuela and New Granada. 
DICKSONIA CONIIFOLIA, Hook. Sp. Fil. i. p. 70, t. 24. fig. A. 
Summit of Roraima, 8600 ft., McConnell & Quelch, 564. 
Jamaica, Venezuela, New Granada, and South Brazil. 
HYMENOPHYLLUM CRISPUM, H. B. & K. Nov. Gen. & Sp. i. p. 26. 
- Summit of Roraima, 8600 ft., McConnell & Quelch, 563. 
Cuba, Jamaica, Mexico, Venezuela, New Granada, Ecuador, Peru, and Bolivia. 
