OF FERNS FROM WEST BORNEO. 259 
197. AsPIDIUM MEMBRANACEUM, Hook. 
198. A. REPAnNDUm, Willd. 
191. NEPHRODIUM CRASSIFOLIUM, Hook. 
192. N. Arpuscuna, Desv. A very large form. 
193. N. worLE, Desv. A caudate subglabrous variety. 
195. N. ($ Sıcenıa) Loss2ir, Baker. Sarawak. Only gathered 
previously by Lobb. 
196 (207*). N. ($ SAGENTA) SUBDIGITATUM, n. sp. ; stipitibus 
gracilibus dense csspitosis nigro-castaneis, frondibus parvis 
deltoideis glabris subdigitatis, segmentis 5-7 lanceolatis acuminatis 
repandis vel subintegris, venis in areolis copiosis anastomo- 
santibus, soris irregulariter sparsis, indusio firmulo persistente. 
Hab. Niah, Sarawak, Mr. Charles Hose. 
Allied to N. Lobbii, subbipinnatum, and irriguum. Caudex 
erect. Stipes densely tufted, 3-4 in. long, with a few spreading 
linear nearly black pales towards the base. Lower segment 
usually forked at the base; end segment the largest, distinctly 
stalked, about 3 in. long, 4 in. broad at the middle, deeply re- 
pand, narrowed gradually to the base and apex. Distinct main 
veinlets not present. Sori not very small. 
174 (50*). PoLYpopıum ($PHEGOPTERIS) SUBARBOREUM, D. 8p. ; 
frondibus amplis deltoideis glabris bipinnatis, pinnis oblongo- 
lanceolatis, pinnulis lanceolatis, segmentis tertiariis oblongis 
Obtusis crenatis, venis copiose pinnatis venulis furcatis, soris 
magnis medialibus biseriatis. 
Hab. Niah, Sarawak, Mr. Charles Hose. 
A very large plant, with naked polished light brown or 
stramineous rhachides. Pinne 14 ft. long, 7-8 in. broad at the base. 
Pinnules 1-14 in. broad. Tertiary segments sessile, 4-4 in. 
broad, crenate, with copious ascending distinct forked veinlets 
and a long row of large sori midway between the midrib and 
margin. It is one of the largest and most compound of the known 
species of Phegopteris. In texture and in the size and shape of 
its final segments it resembles N. Filix-mas, var. elongatum. 
199. P. verrucosum, Wall. 
200. P. LaBrusca, Hook. 
212. P. Lineva, Sw. 
eth: edis eee e ls i 
