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 Encyc. Meth. Bot. 

 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 

 furests of the Madras and Bombay Presidencies, up to 8,000 feet ; 

 Ceylon ; Birma. 



(A^o throughout the tropics of the whole world.) 



Var. j3 insigne. [V. D. B.) A narrower more slender form. 

 Bedd. F. B. I. t. 284. 

 N. W. Himalaya. 



Var. y plicatum. ( V. D. B.) Ultimate segments of the 

 pinnules very narrow and acute ; wing of the rachis somewhat 

 crisped. Bedd. F B. T. t. 285. 



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, \-\\ 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 none or indistinct; sori 

 1-4 to a pinna, axillary, tube more or less winged, mouth broadly 

 dilated but scarcely two-lipped ; receptacle filiform, exserted. 

 Hook. Syn. Fil. p. 81. Bedd. F. S. I. t. 7. R B. I. t. 301. A 

 small variety. 



Scarcely distinguishable from No. 13, except by the involucre. 



