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. (Blume, 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 pinnse 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. (Wallich.) 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 7 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. 97 (under Acrophorus). 



Placed by Mettenius in Humata. 



Singapore. 



(Also in Borneo and Java.) 



n. Leucostegia nodosa (Presl. under Aavp/wrus.) Fronds 

 tripinnate, membranaceous furfuraceous on both sides of the veins ; 

 pinnules sessile (chaffy beneath at their insertions), oblong-lanceolate, 

 secondary ones sessile, oblong obtuse, pinnatifid ; segments cuneiform 

 obtuse, lowest ones inciso-serrate or at ths base again sub auriculate 



