PROF. OLIVER ON NEW PLANTS FROM RORAIMA. 291 



Stipes 6-8 in. long below the much-dwarfed lowest pair of pinnae, grey and pubescent, 

 as is the rhachis. Largest basal paleae half an inch Long. Lamina H-2 ft. Long, 7-8 in. 

 broad at tbc middle. Largest pinnae l-Ah i»- long, about an inch broad. Pinnules 

 above J in. broad. 



Closely allied to the Himalayan P. auriculatum, Wall., in size, texture, and cutting, 

 but quite different in the position of the sori. Pound on the upper slopes of the moun- 

 tain. Gathered previously by Appun, 1138. 



1(58 (15*). Polypodium (§ Phegopteris) roraimense, n.sp. ; caudice erecto, stipitepro- 

 ducto glabro stramineo, frondibus ohlongo-lanceolatis bipinnatis prseter costas faciei 

 superioris glabris, pinnis sessilibus lanceolatis simpliciter pinnatis inferioribus 

 reductis iniimis remotis perparvis, pinnulis oblongo-lanceolatis subintegris ohtusis, 

 venulis 7-8-jugis ascendentibus simplicibus, soris globosis superficialibus supra- 

 medialibus. 

 Stipes 3-4 in. long below the dwarfed lowest pinna?. Lamina \\ ft. long, 8-9 in. 



broad at the middle. Largest pinnae 4-4| in. long, about an inch broad. Pinnules 



£ in. broad. 



Closely allied to the preceding and to the West-Indian P. Germanianuin and ctenoides. 



Gathered upon the upper slopes of the mountain. 



177, 182, 282, 307, 31-5, 352, 370. Polypodium margin ellum, Sw. Upper slopes of the 



mountain, in the crevices of rocks. 

 184 (ex parte). Polypodium trifurcatum, L. Upper slopes of the mountain, mixed 



with Enterosora Campbellii. 

 160, 350, 308, 377- Polypodium furcatum, Mett. Summit and upper slopes of the 



mountain. 

 133. Polypodium serrulatum, Mett. The type iu 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. 

 181. Polypodium moniliforme, Lau.. var. (P. saxicolum, Baker). Upper slopes of the 



mountain. 



179. Polypodium tovarense, Klotzsch. Upper slopes of the mountain. 



180 (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 castaueo, pinnis linearibus adnatis contiguis integris superioribus sensim 

 minoribus, venis immersis occultis Eurcatis, soris globosis superficialibus 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 paleae. Rhachis castaneous, like the stipe. Lamina 5-0 in. long, 3-3^ in. broad 



2 x 2 



