MOUNT RORAIMA IN BRITISH GUIANA. 77 



11 PTEKIBOPHYTA. 

 By C. 11. Wright, A.L.S. 



1. Gleichenia ptjbescens, 11. B. it K. Nov (Jen. & S|>. i. p. 29. Mertensia pubescens, 



Willd. ; R,. Schomb. Eteisen in Brit.-Gu.iana, ii. p. 272 : Appun, Unter den Tropen, 



ii. p. 594. 

 Roraima range, 3500 ft., McConnell ,V Quelch, (Ho, 619. 

 British Guiana : Kwating Creek ; also Mexico and West Indies to Chili. 



2. Cyathea vkstita, 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., McConnell 8f Quelch, 605. 

 Hurnirida Mountains, Brazil. 



3. Hemitelia subincisa, Kimze. in Bot. Zeit. ii. (1814), p. 296. 

 Roraima range, 3500 ft., McComieU 8f Quelch, 620. 



British Guiana: Kwating Creek : also Central and Tropical South America. 



ALSOPHILA margixalis, Klot/.seh. in Linnaea, xviii. (1844), p. 512; Appun, Unter den 



Tropen, ii. 594. 

 Roraima range, 3500 ft., McConnell b Qvelch, 604. 

 Mexico. 



5. ALsorjni.A VILLOSA, Presl. ex Hook. Sp. Fil. i. ]>. 13; Appun. Unter den Tropen, ii. 



j). 594; Baker, in Trans. Linn. Soe. Ser. IT. Bot. ii. (1887), p. 289. Cyathea villosa, 



H. B. & K. Nov. Cen. & Sp. i. p. 24, and vii. t. 070. 

 Roraima range, 3500 ft., JfrCoi/i/ell 8f Quelch, 621. 

 British Guiana : Arapu River; also throughout Tropical South America. 



6. Alsopuila microphylla, Klotzsch, in Linmea, xviii. (1844), p. 541. 

 Roraima range, 3500 ft., McConnell A' Quelch, 600. 



Venezuela and New Granada. 



7. Dicksonia coniifolia, Hook. Sp. Fil. i. p. 70, t. 2 k lig. A. 

 Summit of Roraima, SG00 ft., McConnell A - Quelch, 564. 

 Jamaica, Venezuela, New Granada, and South Brazil. 



8. Uymenophyllum crispvji, H. B. & K. Nov. Gen. & Sp i. p. 26. 

 Summit of Roraima, S000 ft., McConnell 8f Quelch, 563. 



Cuba, Jamaica, Mexico, Venezuela. New Granada, Ecuador, Peru, and Bolivia. 



