276 



Ferns of British India and Ceylon. 



base (lower ones rather more attenuated and subpetiolate) lanceolate 

 or elongate-oblong, finely acuminated at the apex, the margin coarsely 

 and sharply submucronate-serrated, serratures pointing a little 

 forward, uniform; costae prominent beneath, of the same colour as the 

 rachis and stipes, generally reddish, glabrous on both sides or 

 obscurely hairy on the costa and veins beneath ; veinlets about 6-8 

 pairs, of which all are connivent except 2-3 short pairs in the teeth 

 of the serratures, sori in two series generally at the base of the veins 



close to the costules, but some- 

 times near the centre of the 

 veins, involucres reniform, very 

 fugacious and only to be de- 

 tected on very young fronds. 

 Bedd. F. B. I. t. 220. Polypo- 

 dium costatum, {Wall. Herb?) 

 not Brack. P. (Goniopteris) 

 lineatum, Coleb. in Herb. Wall, 

 and Wall. Cat. 300. Hook. Sp. 

 Fil.v. 12. Polypodium penan- 

 gianum, Hook. Sp. Fil. v. 13. 

 Bedd. F B. I. t. 232 (slightly 

 broader in the pinnse). 



North India, Nepal to 

 Kumaon at high elevations ; 

 specimens from Dr. Stuart 

 (Gurwhal) have the involucre 

 quite distinct ; Penang. 





10P 

 N9I4-2. 



NEPHRODIUM ARBUSCULA. (Desv.) 



13. Nephrodium Arbuscula. (Desv.) Caudex small erect and 

 trunk-like, stipes tufted, short, slightly pubescent; fronds 12-18 

 inches long, pinnate, lanceolate in outline, pinnse numerous close, 2-3 

 inches long by about § inch broad, very shortly petioled, rather blunt 

 at the apex, generally auricled at the superior base, the margin with 

 shallow serratures, lower ones gradually reduced to mere deltoid 

 auricles ; texture firm, herbaceous ; veins 6-8 pair, the 3-4 lower pair 



