Ferns of British India and Cevlon. 
I. Stenoloma chinensis. {Swar/z.) Rhizome stout, densely 
fibrillose; stipes strong, erect, polished, naked, dark brown, 6-12 
inches long; fronds 12-18 inches long, 6-9 inches broad, ovate, 
4-pinnatifid ; lower pinnae ovate-lanceolate, 4-6 inches long, 2-3 
inches broad ; pinnules lanceolate, their segments cut down to the 
rachis below, with toothed cuneate lobes, i-i^ lines across at the 
apex ; texture subcoriaceous, both surfaces naked, the upper 
shining ; sori terminal, usually solitary, often rather broader than 
deep. Swartz Syn. Fil. 133 (under Davallia) Davallia tenuifolia, 
Hook. Syn. Fil. p. 102. Bedd. F. S. I. t. 16. 
Madras Presidency, Western mountains, 3,000-6,000 feet : 
Himalayas, Kumaon to Bhotan, up to 1,000-4,000 feet; Khasya; 
Ceylon ; Malay Peninsula. 
(Also in China, Japan, Polynesia, and the East African Islands.) 
GENUS XX.— CYSTOPTERIS. {Bernh.) 
(Cysfos, a cyst, in allusion to the inflated indusium.) 
Fronds more or less compound, membranaceous ; sori globose, 
placed on the back of the veins ; indusium membranaceous, subor- 
bicular inserted by its broad base, under the sorus, which, at the 
beginning it covers or partially covers like a hood ; veins free. 
I. Cystopteris fragilis. {Bernh.) Stipes 2-12 inches long; 
fronds glabrous, weak, up to i foot, ovate-lanceolate, tripinnatifid ; 
main rachis slightly winged above; pinnae lanceolate- deltoid ; pin- 
nules oblong-rhomboidal, cut down to a broad central space into 
bluntly or sharply-toothed segments; sori 2-12 to a pinnule. - Hook, 
Sy7t. Fil. 103. Bedd F. B. I. t. 91. 
North West Himalayas, from Kashmir to Kumaon, 10,000- 
15,000 feet elevation ; Sikkim. 
(Also in most parts of the world, in cold regions.) 
, 2. Cystopteris setosa. {Bedd.) Caudex erect; stipes i foot long, 
sparsely covered with small flaccid subulate light-brown scales ; fronds 
tufted 3-3 1 feet long, tripinnate, pinnae 8-10 inches long, lowest 
