Ferns of British India and Ceylon. 37 
stalked, proceeding from the base of the sinus, the mouth spreading 
and much dilated. Hook. Syn. Fil. p. 73.' T. Henzaiense, Bedd. 
R B. I. t 183. 
Tenasserim, Andamans, Ceylon. 
(Also in Borneo and New Caledonia.) 
2. Trichomanps exiguum. {Bedd. imder HymenophylliLm.) 
Rhizome wide-creeping ; stipe very short ; frond \ \.o \ inch linear- 
oblong, narrowed at the base, blunt repand, rarely somewhat 
pinnatifid ; veins pinnate from a central costa, simple or forked, 
spurious venules few but nearly as prominent as the veins, not 
reaching the costa, and often not touching the margin ; involucre 
solitary, terminal, the base sunk in the frond; valves entire, large 
and spreading; receptacle exserted or included. Bedd. F. B. I. 
t. 275. Hook. Syn. Fil. p. 464. 
Wynaad and Coorg, 3,000-4,000 feet ; Ceylon. 
3. Trichomanes neilgherrense. {Bedd.) Rhizome creeping 
more or less tomentose ; stipe 3-6 lines long, glabrous or tomentose, 
fronds glabrous, very small up to i inch long, ovate to elliptic lan- 
ceolate or linear, entire or somewhat lobed ; veins from a more or 
less distinct central costa, spurious venules numerous^ a marginal 
band generally present ; involucres terminal, 1-2 sunk in the frond, 
the mouth exserted, more or less two-lipped ; receptacles exserted. 
Bedd. F S. I. f. 6. Hook. Syn. Fil. 74. 
Nilgiris, abundant about Walaghat, 3,000-4,000 feet; Anamal- 
lay hills, Tinnevelly and Travancore hills ; Ceylon, central provinces. 
4. Trichomanes Henzaianum. {Parish.) Rhizome creeping, 
tomentose; stipe from obsolete up to inch long; frond \-\ 
inch each way, very thin, orbicular to obovate-cuneate, more or less 
lobed, central costa present or often obsolete, except towards the 
base, above which it branches off into veins ; veins prominent and 
distinct, spurious venules copious, marginal band absent or incon- 
spicuous ; involucres 1-6 sunk in the frond ; the mouth two-lipped. 
