156 Ferns of British India and Ceylon. 



Var. hymenophylloides. (Fee.) Fronds smaller, pubescent 

 or ciliate on both surfaces ; texture exceedingly thin, with prominent 

 venation; pinnse obtuse. Fee, ^th. Mem. 54. t. 15. f. 1. Clarke, 

 IV. India, p. 482. 



Mt. Aboo, Rajaputana, 4,000 feet elevation. 



(Also in Abyssinia.) 



* * * * Fronds bi-quadripinnate. 



27. Asplenium Ruta-muraria. {Linn) Stipes tufted, 2-4 

 inches long, slender, wiry, naked, ebeneous towards the base ; fronds 

 1-2 inches long, about 1 inch broad, glabrous, deltoid, cut down to 

 the rachis into a few pinnae on each side, the lower ones again cut 

 down into spathulate cuneate pinnules, which are serrated round the 

 outer edge ; texture coriaceous ; rachis firm, green, naked ; veins 

 flabellate ; sori copious ; margin of indusium fimbriate. Linn. Sp. 

 PL 1541. Hook. Syn. Fil. 213. Bedd. F. B. I. t. 61. 



Kashmir. 



(Also in Europe, North Africa, Thibet, Siberia, and the United 

 States.) 



28. Asplenium pekinense. (Hance.) Stipes tufted, 1-3 

 inches long, with a few linear scales near the base ; fronds 2-6 

 inches long, narrowly oblong, shining, glabrous, with several lanceo- 

 late-deltoid pinna? on each side, which are cut down to a compressed 

 rachis into several ovate rhomboidal pinnules on each side, which 

 are again pinnatifid (hence it is bipinnate sub-tripinnate), ultimate 

 segments linear- cuneate, sharply forked or toothed at the apex, entire 

 below ; sori 2-6 to a pinnule, ultimately confluent ; involucre entire. 

 Hance in Seem. Jo urn. Bot. v. 262. Hook. Syn. Fil. p. 213. Clarke, 

 F. N. L. t. 56./ 2. 



Kashmir ; Jhelum Valley, 2,000-2,500 feet elevation. 

 (Also in China and Japan.) 



29. Asplenium Adiantum-nigrum. (Linn.) Stipes tufted, 

 6-9 inches long, nearly glabrous, polished ; fronds bi-tripinnate, 

 deltoid to lanceolate, 6-12 inches long, 4-6 inches broad at the 

 base ; pinna? numerous, the lower ones deltoidj their lower pinnules 

 again stalked and completely pinnate and lanceolate deltoid in 



