Ferns of British India and Ceylon. 175 
horizontal or nearly so, one to three of the exterior branches sorif- 
erous ; sori distant, often curved ; involucres often diplazioid, narrow- 
linear, occupying about two-thirds of the space between the costa 
and margin; stipes 1-2 inches long, slender, terete. BL E^i.p. 174. 
Hook. Sp. Fil. iii. 236. Bedd, F. B. I. t. 289. 
Penang. 
(Also in Java.) 
3. DiPLAZiUM ZEYLANICUM. {Hook.) Caudcx tcrctc, repent, 
subterraneous, naked, black ; stipes remote, solitary, 4 inches to a 
span long, paleaceous with 
lax dark subulate-lanceo- 
late scales ; fronds herba- 
ceous, a span to a foot long, 
1-2 inches broad, lanceolate 
acuminate, deeply pinnati- 
fid in the middle, pinnate 
at the base, serrated only 
towards the apex, lobes 
and pinnae horizontal, ob- 
long, obtuse; veins pin- 
nated, entire or forked ; 
sori linear; involucres 
with the superior basal 
one principally diplazioid. 
Hook, Sp. Fil. iii. 237. 
Bedd.F. S. I. t. 228. 
Ceylon, forests of 
Ambagamwa and Kot- 
mallee. 
DirLAZIUiM LANCEUM {TJllinh .) 
4. DiPLAZiUM PALLIDUM. {Bl) Stipcs a foot or more long, 
stramineous, deciduously scaly at the base ; fronds i|-2 feet long, 
ovate acuminate, subcoriaceous, often pale whitish-green when dry 
pinnated, pinnae numerous, approximate, mostly petiolate, horizontal, 
5-6 inches long, i-f of an inch broad, from a somewhat rounded 
