44 Ferns of British India and Ceylon. 
Var. jj ANCEPS. {Wall.) Frond smaller; stipe often winged 
to the base, primary segments pinnatifid or somewhat 2-pinnatifid ; 
lips of the involucre slightly broader than the tube. Clai-ke^ F. N. 
I. p. 441. 
Sikkim and Khasya, frequent. 
17. Trtchomanes auriculatum. {Bliime) Rhizome strong, 
wide-creeping, tomentose ; frond nearly sessile, 1-2-scarcely 3-pin- 
natifid, 6-12 inches long, 1-2 inches broad, rachis more or less 
winged, pinnae shortly stalked, ovate-rhomboidal, obliquely cuneate 
at the base, irregularly pinnatifid half down or more, ultimate seg- 
ments ovate entire with flabellate nerves, or narrowly oblong one- 
nerved, texture subcoriaceous ; sori 2-12 to a pinna, the tube nearly 
or quite exserted, the mouth truncate. Blume^ Fl. Jav. Fil. p. 225. 
Hook. Syn. Fil. p. 82. Bedd. F B. I. t. 182. 
Sikkim, Bhotan, 2,000-7,000 feet, frequent; Khasya, 3,000- 
5,500 feet, common; Cachar. 
(Also in Japan, Formosa, Philippines, Java, and Guiana.) 
18. Trichomanes javanicum. {Blume) Caudex tufted with 
strong wiry roots ; stipe 1-4 inches long, wiry, erect, naked, or 
villous ; fronds 2-8 inches long, 1-2 inches broad, ovate-lanceolate, 
acuminate, simply pinnate, pinnae oblong serrate, or linear fimbriate, 
texture subcoriaceous ; veins numerous, close, central costa not 
clearly marked or continuous to the apex ; sori 1-4, placed in the 
axils of the linear segments on the upper side of the pinnae ; tube 
free, the mouth broadly dilated, but not two-lipped, receptacle much 
exserted. Bl. En. PI. Jav. Fil. 224. Hook. Syn. Fil. p. 83. Bedd, 
F. B. I. t. 180. 
Chittagong, up to 1,000 feet; Gachar ; Malay peninsula. 
(Also in Borneo, Java, Polynesian Islands, and Madagascar.) 
19. Trichomanes rigidum. {Swartz.) Stipe tufted, erect, 
wiry, 2-8 inches long, naked or very slightly winged above; fronds 
2- 8 inches long, 2-6 inches broad, deltoid or ovate, acuminate, 
3- 4 pinnatifid, the main rachis usually only slightly winged towards 
