156 
Ferns of British India and Geylon. 
Var. hymenophylloides. {Fee^ Fronds smaller, pubescent 
or ciliate on both surfaces ; texture exceedingly thin, with prominent 
venation; pinnae obtuse. Fee, ']t/i. Mem.. 54. /. 15. / i. Clarke, 
N. India, p. 482. 
Mt. Aboo, Rajaputana, 4,000 feet elevation. 
(Also in Abyssinia.) 
* * * * Fronds hi-quadripinnaie. 
27. AsPLENiUM RuTA-MURARiA. {Linii) Stipcs tuftcd, 2-4 
inches long, slender, wiry, naked, ebeneous towards the base ; fronds 
1-2 inches long, about i 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. Lmii. Sp. 
PL 1 54 1. Hook. Syn. Fil. 213. Bedd. F. B. I. f. 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 pinnae 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 Seevi. Journ. Bot. v. 262. Hook. Syn. FiL p. 213. Clarke^ 
F. N. I. t 56./ 2. 
Kashmir ; Jhelum Valley, 2,000-2,500 feet elevation. 
(Also in China and Japan.) 
29. AsPLENiuM Adiantum-nigrum. (Liun.) 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 ; pinnae numerous, the lower ones deltoid, their lower pinnules 
again stalked and completely pinnate and lanceolate deltoid in 
