PROF. OLIVER ON NEW PLANTS FROM RORAIMA. 291 
Stipes 6-8 in. long beiow the much-dwarfed lowest pair of pinn:, grey and pubescent, 
ав is the rhachis. Largest basal paleæ half an inch long. Lamina 12-9 ft. long, 7-8 in. 
broad at the middle. Largest pinne 4-44 in. long, about an inch broad. Pinnules 
above 4 in. broad. 
Closely allied to the Himalayan P. auriculatum, Wall., in size, texture, and cutting, 
but quite different in the position of the sori. Found on the upper slopes of the moun- 
tain. Gathered previously by Appun, 1138. 
168 (15%). POLYPODIUM ($ PHEGOPTERIS) RORAIMENSE, п. sp.; caudice erecto, stipite pro- 
ducto glabro stramineo, frondibus oblongo-lanceolatis bipinnatis preeter costas faciei 
superioris glabris, pinnis sessilibus lanceolatis simpliciter pinnatis inferioribus 
reduetis infimis remotis perparvis, pinnulis oblongo-lanceolatis subintegris obtusis, 
venulis 7—8-jugis ascendentibus simplicibus, soris globosis superficialibus supra- 
medialibus. 
Stipes 3-4 in. long below the dwarfed lowest pinn:z. Lamina 12 ft. long, 8-9 in. 
broad at the middle. Largest pinne 4-44 in. long, about an inch broad. Pinnules 
% in. broad. 
Closely allied to the preceding and to the West-Indian P. Germanianum and ctenoides. 
Gathered upon the upper slopes of the mountain. 
177, 182, 282, 307, 345, 352, 376. PoLypopIUM MARGINELLUM, Sw. Upper slopes of the 
mountain, in the crevices of rocks. 
184 (ex parte). POLYPODIUM TRIFURCATUM, L. Upper slopes of the mountain, mixed 
(with Znterosora Campbell. 
166, 350, 368, 377. PoLypopium ruRCATUM, Мей. Summit and upper slopes of the 
mountain. 
183. POLYPODIUM SERRULATUM, Мей. The type in the neighbourhood of the encamp- | 
ment, and no. 351, var. (Xiphopteris Jamesoni, Hook.), on the upper slopes of the 
mountain. 
178. PoLyPoDIUM TRICHOMANOIDEs, Sw. Upper slopes of the mountain. 
348. PoLyPODIUM TRUNCICOLA, Klotzsch. Upper slopes of the mountain. New to 
Guiana. | E | 
181. PoLyPoDIUM MONSLIFORME, Lag., var. (P. saxicoLuM, Baker). Upper slopes of the 
mountain. | 
179. POLYPODIUM TOVARENSE, Klotzsch. Upper slopes of the mountain. 
186 (159*). POLYPODIUM ($ EUPOLYPODIUM) KALBREYERI, n.sp.; rhizomate breviter 
repente paleis parvis patulis linearibus brunneis vestito, stipitibus contiguis elongatis 
erectisatro-brunneis, frondibus deltoideis simpliciter pinnatis coriaceis glabris, rhachide 
nudo castaneo, pinnis linearibus adnatis contiguis integris superioribus sensim 
minoribus, venis immersis occultis furcatis, soris globosis superfieialibus latitudinem 
totam pinnarum inter costam et marginem occupantibus. ; 
Stipes 8-10 in. long, naked or furnished towards the base with minute, squarrose, soft, 
hair-like paleze. Rhachis castaneous, like the stipe. Lamina 5-6 in. long, 3-33 in. broad 
2x 2 
