Ferns of British India and Ceylon. 
365 
of the sterile frond, 2 feet of the fertile, glossy brown ; fronds firm- 
coriaceous glossy dimorphous, sterile ones 6-10 inches long, 8 inches 
to I foot wide, hastate, tripartite, simply ovate or pinnatifid with 
4~6 lateral lobes, lobes ovate-acuminate entire horizontal, terminal 
one very large, all thickened at the margin ; main veins distinct, 
but immersed, other veins internal and very indistinct ; areoles with 
free included simple or forked veinlets ; fertile fronds very long- 
stipitate, 10 inches to a foot long, nearly as much wide, very broad- 
ovate deeply pinnatifid nearly to the rachis, below subpinnate, segments 
5-15, 4-8 inches long, very 
remote, linear and acuminate, 
decurrent at the base ; sori 
large, copious, oval, sunk into 
a very deep cavity which forms 
a circular elevated truncated 
tubercle on the opposite side, 
occupying the space between 
the costa and the margin in a 
single series. Bl. Fil. Jav. p. 
151, /. 65. Hook. Sp. Fil. V. 
77. Bedd. F. B. I. 124. 
Malacca. 
(Also in the Malay 
Islands.) 
26. Pleopeltis insignis. 
{Bl.) Rhizome short-creep- N?207. 
ing, paleaceous, with decidu- pleopeltis insignis. {BL) 
ous ferruginous scales ; stipes 
I- 2 inches or more long (according to the length of the decurrent 
wing of the frond) ; fronds subtriangular-ovate, membranaceous, 
glabrous, 4-9 inches long (independent of the decurrent wing), and 
nearly as much broad, subdeltoid, deeply pinnatifid, with 5-9 lance- 
olate spreading acuminate segments ; the base of the fronds subcu- 
neate and decurrently attenuated so that the stipes is winged for the 
