MR. C. B. CLARKE ON THE FERNS OF NORTHERN INDIA. 483 
Kashmir and Baltistan, alt. 5000-8500 feet, T. Thomson, H. C. Levinge, C. B. Clarke. 
—Distrib. North Europe, Asia, and America, extending southwards to the Mts. of Algiers 
and Kashmir ; Cape Colony. 
Rootstock tufted, wiry, fibrillose. Stipe 1-3 in., naked or with lanceolate-linear scales 
in its lower half. Pinne very thick in texture, midrib obscure, minutely serrate; sori 
often ultimately covering the whole of the lower surface. 
19. A. PEKINENSE, Hance in Seem. Journ. Bot. v. 262. Frond 2-5 in., narrowly oblong, 
2-pinnate sub-3-pinnate, tertiary segments linear-cuneate or oblong-cuneate, sharply 
forked or toothed at their extremity, entire below.—.4. sepulchrale, Hk. & Baker, 
Syn. Fil. 213; name changed to 4. pekinense, Hance in 2nd ed. (Pl. LVI. fig. 2.) 
Kashmir; Jhelum Valley, alt. 2000-2500 feet, H. C. Levinge.—Distrib. China, Japan. 
Tufted; stipe 1-3in.; often with lanceolate-linear scales in the lower part. Frond 
glabrous, shining; in texture approaching 4. Adiantum-nigrum rather than 4. varians 
(with which it has been compared), but is oblong, not ovate-lanceolate. Involucre with 
entire margin. Sori ultimately confluent. Baker says one to a segment, which means 
2-6 to a tertiary pinna, but not more than one to each tooth. 
20. A. AprANTUM-NIGRUM, Linn. Sp. Pl. 1541. Stipe shining, chestnut-coloured, glabrous, 
or with a few linear scales near the base; frond 2-pinnate, sub-3-pinnate, lanceo- 
late or ovate-lanceolate ; tertiary pinnse ovate or oblong, acutely serrate, not pin- 
natifid ; margin of the involucre entire.—Engl. Bot. t. 1950; Schk. Krypt. Gew. 
t. 804; Mett. Farngatt. Aspl. 144; Hook. Sp. Fil. iii. 187, Brit. Ferns, t. 33; Bedd. 
Ferns Brit. Ind. t. 62; Milde, Fil. Europ. 85; Hk. & Baker, Syn. Fil. 214. 4. hu- 
mile, Blume, Enum. Pl. Jav. Fil. 185, fide Hook. 
Kashmir; alt. 5000-8000 feet, frequent; extending to Dalhousie and Chumba, alt. 
4000-6000 feet, C. B. Clarke.—Distrib. Java; Europe; Northern Asia and Africa; Cape 
Colony ; Polynesia. 
The Kashmir plant agrees with the common European type, but is usually somewhat 
larger. The Indian examples are readily separable from all other Indian ferns. 
21. A. NITIDUM, Swartz, Syn. Fil. 84, 280. Main rhachis glabrous or nearly so; frond 
shining green, large, 2-pinnate or 3-pinnate ; ultimate pinnz 2 in. or more, elliptic 
or cuneate, trapezoidal; sori long.—Schk. Krypt. Gew. t. 81; Blume, Enum. Pl. 
Jav. Fil. 188; Wall. Cat. 232 ; Mett. Farngatt. Aspl. 160, t. 5. fig. 31; Hook. Sp. 
Fil iii. 172; Bedd. Ferns South. Ind. tt. 148, 149; Hk. & Baker, Syn. Fil. 215. 
A. insigne, Blume, Enum. Pl. Jav. Fil. 188. A. pulchellum, Wall. Cat. 214. .4.my- 
surense, Roth, in Wall. Cat. 213. 4. splendens, Kunze in Linnea, x. 516; Mett. 
Farngatt. Aspl. 158; Hook. Sp. Fil. iii. 168. j : | 
Sikkim, Bhotan, Assam, Khasia, Cachar, alt. 1000-4000 feet ; frequent, not in large 
quantity.—Distrib. Malay Peninsula and Islands; Ceylon; South Africa. - 
