42 
Ferns of British India and Ceylon. 
ovate, tripinnatifid, main rachis with a very narrow wing or free 
below; pinnae ovate-rhomboidal, pinnatifid down to a narrowly- 
winged rachis ; the lower pinnule again deeply pinnatifid ; ultimate 
segment linear ; texture firm, membranaceous ; a central costa in 
each segment, spurious venules none or indistinct ; sori 1-4 to a 
pinna, axillary or terminal on the segments ; tube sunk or some 
what exserted ; the mouth very distinctly two-lipped, the lips sub- 
triangular with a rounded apex. Poiret in En eye. Meth. Bof. 
viii. 69. Trich. Filicula, Bory, Hook. Syn. Fil. p. 81. Bedd. 
F.B. I. t. 283. 
Himalayas and Khasya hills, up to 6,000 feet ; all the western 
forests of the Madras and Bombay Presidencies, up to 8,oco feet ; 
Ceylon ; Birma. 
(A^so throughout the tropics of the whole world.) 
Var. /3 iNSiGNE. {V. D. B.) A narrower more slender form. 
Bedd. F. B. I. t. 284. 
N. W. Himalaya. 
Var. y PLicATUiM. ( V. D. B.) Ultimate segments of the 
pinnules very narrow and acute ; wing of the rachis somewhat 
crisped. Bedd. F. B. I. t. 2^^. 
Birma. 
14. Trichomanes pyxidiferum. (Z.) Rhizome wide-creep- 
ing, tomentose, rather slender ; stipe 1-2 inches long, naked, 
winged above ; frond 1-6 inches long, i-ii inch broad, ovato- 
oblong, tripinnatifid, main rachis with a very narrow wing ; pinnae 
ovate-rhomboidal, pinnatifid down to a narrowly- winged rachis, with 
the lower pinnule again deeply pinnatifid ; ultimate segment linear, 
often emarginate at the apex; texture membranaceous; a central 
costa in each segment; spurious venules nor^e or indistinct; sori 
1-4 to a pinna, axillary, tube more or less winged, mouth broadly 
dilated but scarcely two-lipped ; receptacle fiUform, exserted. 
Hook. Sy7i. Fil. p. 81. Bedd. F. S. I. f. 7. F. B. I. t. 301. A 
small variety. 
Scarcely distinguishable from No. 13, except by the involucre. 
