54 
Ferns of British India and Ceylon. 
8. Leucostegia pseudo-cystopteris. {Kunze.) Very simi- 
lar to pulchra, but the ultimate segments very acute, and the scales 
of the rhizome more spreading. Kunze in Bot. Zeit. 1850,/. 68. 
Bedd. F. B. I. t. 92. 
Himalayas, Dalhousie to Nepal, 4,000-8,000 feet. 
Mr. Clarke considers it is a variety only of pulchra. 
9. Leucostegia hymenophylloides. [Blunie, under Davallia.) 
Caudex creeping, thick, clothed with long narrow subulate scales ; 
fronds ample, tall, 12-24 inches long, ovate-lanceolate, membrana- 
ceous, 3-4 pinnate or supra-decompound ; primary pinnae petiolate, 
ovate-lanceolate acuminate, secondary petiolate oblong-ovate; pin- 
nules ovate, deeply pinnatifid ; the segments ovate acute, subfalcate, 
entire or generally (the fertile ones) with a tooth on the inner margin; 
involucres small hemispherical or subreniform, placed near the centre 
of a segment below the sinus of the tooth; veins slender, black. 
Davallia affinis. Hook. Syn. Fil. p. 92. Bedd. F. S. I. t. 252. 
Travancore Mountains, Ceylon, 3,000-4,000 feet. 
(Also in Java and Polynesia.) 
10. Leucostegia parvula. {IVallich.) Caudex long, creeping, 
clothed with lax subulate scales ; frond very small deltoid-tripin- 
natifid, glabrous, rigid (from the stout costa), segments linear through- 
out, slightly grooved above when dry, unequally forked and acute at 
the apices ; sori at the sinus of the forks ; involucres suborbicular, 
dilated above, and broader than the segments. Davallia parvula, 
Hook. Syn. Fil. p. 92. Bedd. F. B. I. t. ()"] (under Acrophorus). 
Placed by Mettenius in Humata. 
Singapore. 
(Also in Borneo and Java.) 
11. Leucostegia nodosa {Presl. under Acrophorus.) Fronds 
tripinnate, membranaceous furfuraceous on both sides of the veins ; 
pinnules sessile (chafify beneath at their insertions), oblong-lanceolate, 
secondary ones sessile, oblong obtuse, pinnatifid ; segments cuneiform 
obtuse, lowest ones inciso-serrate or at the base again sub auriculate 
