Ferns of British India and Ceylon. 



359 



and gradually attenuated at the base, being winged nearly all down 

 the stipe, entire glabrous, costa slightly scaly beneath near the base ; 

 venation very prominent, main veins blackish, pinnate nearly hori- 

 zontal, areoles in about five series, subquadrate, in which are free 

 veinlets which are either simple or forked, but without clavate apices ; 

 sori compital, rather large, forming one series between the main veins 

 very irregular in shape and size, subglobose or oblong, or even (by 

 confluence) linear. Wall. Cat. p. 284. Hook. Sp. Fil. v. 73. 

 Bedd. F. B. I. t. 182. 



South India, on the Western 

 mountains, rather common in Coorg, 

 3,000 feet elevation, rare elsewhere- 

 Himalayas, Nepal, Bhotan, 2,000- 

 7,000 feet elevation, Khasya, 1,000 

 -5,000 feet elevation, Chittagong, 

 1,000 feet elevation. 



(Also in South China and Ma- 

 lay Islands.) 



21. Pleopeltis pteropus. 

 (Bl.) Aquatic, rhizome creeping, 

 branched, the young apices only 

 paleaceous, with blackish lanceolate- 

 subulate scales ; stipes more or less 

 apart, 1-3-4 inches to 1 foot long, 

 winged upwards, and as well as the 

 back of the costa and costules fur- 

 furaceous-squamose ; fronds 2-3-9 

 inches long, f— 1§ and 2 inches wide, 

 firm membranaceous, very dark dirty green (when dry often black), 

 lanceolate acuminate entire, or 3-lobate, or 3-partite, or 5-lobed, 

 terminal lobes up to 8 inches long, lateral ones 3-5 inches, below 

 long-tapering into a gradually decurrent wing upon the petiole, 

 glabrous above, margin entire ; venation very conspicuous, main 

 veins prominent beneath, rather wide apart extending about two 

 thirds of the way to the margin, then uniting and forming large costal 



N?202. 

 I'LEOI'ELTIS HEMIONITIDEA. {Wall.) 



