Ferns of British India and Ceylon. 
35 
Khasya hills, about Cherra Poonjee, 4,000-5,000 feet ; Bhotan, 
Birma, Moulniein mountains, 7,000 feet. 
(Also in Java.) 
Var. /3 FLACCiDUM. Main rachis often with much ferru- 
ginous hair beneath ; fronds flaccid, hardly at all crisped, ultimate 
segments slightly serrulate in their upper portion only, the main 
rachis quite entire, valves of the involucre slightly serrulate at the 
summit. H. Khasianum, Hook^ Syn. Fil. p. 464. Bedd. F. B. I. 
t. 276. Clarke, I. p. 438. 
Khasya Hills, growing with the type. Mr. Clarke, who has seen 
it growing, considers it only a variety of denticulatum. 
10. Hymenophyllum 
Neesii. {Hook) Stipe 
2-1 inches long, naked, 
or slightly winged, with 
a crispate margin on both 
sides; frond ovate, about 
2 inches long, |-i inch 
b'-oad, tripinnatifid ; ra- 
chis winged throughout, 
the wing and pinnae 
much crisped ; pinnae 
with distant, narrow, sim- 
ple or 1-3 times deeply 
forked, deeply toothed 
segments ; sori small, 
usually single, supra- 
axillary on the upper 
pinnae ; involucre subcylindrical below, divided more than half-way 
down, with two acute spinulose-dentate valves. Hook. Syn. Fil. 
p. 71, Bedd. F. S. I. t. 279. Hymenophyllum Tunbridgense, 
Bedd. F. S. I t 265. 
HYMENOPHYLLUM NEF.SII. 
{Hook.) 
