40 



Ferns of British India and Ceylon. 



winged rachis into long broadly-linear dichotomous segments, some- 

 times ciliate, with only a central costa in each ; sori 2-6, terminal on 

 the segments ; involucre cup-shaped, quite sunk, the mouth broadly 

 dilated, slightly two-lipped. Hook. Syn. Fil p. 76. T. corticola, 

 Bedd. F. S. I. t. 264. 



Ceylon, Ambagamwa district ; also collected by Griffith either 

 in North India or the Malay peninsula. 



(Also in Mauritius, Bourbon, Java, and the Polynesian Islands.) 



9. Trichomanes Kurzii. {Bedd.) Rhizome slender, wide 

 creeping ; stipe very short ; frond not 1 inch long, cuneate below, 



deeply pinnati- 

 fid, primary seg- 

 ments 1-3 lo- 

 bate, ultimate 

 segments linear, 

 texture thick, 

 surface some- 

 what undulated, 

 trichomanes kurzii. (Bedd.) margin bound- 



ed by a thickened line, a central vein only in each segment ; sori 

 1-2 to a frond, subterminal, the involucre turbinate, sunk in the 

 frond, the mouth dilated but without lips. Bedd. F. B. I. t. 286. 

 Trich. nanum, Hook. Syn. Fil. p. 77. Crepidomanes nanum, V. 

 D. B. Hymen. Suppl.fi. 122. Clarke, F. N~. I. p. 440. 



Assam, Andaman Islands ; Malabar, at Poodoopady, foot of the 

 Tambacherry Ghat. 



10. Trichomanes viridans. (Mett.) Rhizome creeping, to- 

 mentose ; fronds with a broadly winged stipe f-i inch long, very 

 irregular in outline, more or less deeply pinnatifid nearly down to the 

 midrib ; segments again more or less deeply divided, obtuse and 

 rounded at the apex of the lobes ; veins erect-patent from a 

 central costa one to each lobe of the segments ; spurious venules 

 lineolate, numerous, very short and detached ; sori numerous, terminal 



