Ferns of British India akd Ceylon. 203 
2. PoLYSTiCHUM LoNCHiTis. {Linn, under Polypodiiim^ Caudex 
short, stout oblique, densely paleaceous; stipes shoit paleaceous, 
lower portion of the rachis with ferruginous large scales ; fronds 6-18 
inches long, densely tufted, erect rigid, linear or lanceolate, tapering 
at both ends, pinnated ; pinnae numerous, approximate from a broad 
nearly sess'le obliquely truncated base, ovate or lanceolate, falcate 
acute spinulose-serrate, the superior base truncated and auriculate ; 
sori confined to upper portion of the frond in two or more series 
upon the pinnae ; indusium denticulate on the margin. Hook. Sp. 
Fil. iv. 8. Stv. Syn. Fil. p. 43. Hook. Syn. Fil. p. 250. Bedd. 
F. B. I. t. 128. Polypodium Lonchitis, Linn. Sp. pi. 1548, 
Northwest Himalaya, Kashmir, Sonamurg 11,000 feet elevation. 
(Also in Arctic and Alpine Europe, Asia, and North America.) 
3. PoLYSTiCHUM LACHENENSE. {Hook.) Rhizome very scaly ; 
stipes very numerous, thick, densely tufted, scaly, 2-4 inches long ; 
fronds narrow-linear, 4-8 inches long by inch broad, pinnate, the 
lower pinnae remote but hardly reduced in size ; pinnae 2-3 inches 
broad, deltoid-ovate, subcoriaceous, lobed more or less or subentire, 
the apex bMnt, the margins spinosely serrated or crenate-serrate ; 
sori 6-12 to a pinna, often covering the whole under side ; indusium 
incised. Hook. Syn. Fil. p. 250. Clarke, F. N. L. p. 506. Bedd. 
F. B. L t. 32. 
Sikkim, 13,000-16,000 feet, Lachen, Tungu, Samding, 7,000- 
15,000 feet; Kashmir, Palgram, 13,000 feet. 
4. POLYSTICHUM Atkinsoni. {Bedd.) Rhizome small, scaly ; 
stipes 2-3 inches long, thin, stramineous, and with the rachis 
furnished with a few chaffy scales; fronds 1-3 inches long, ^ inch 
broad, pinnate, the lower pinnae not reduced; pinnae ovate, very 
coriaceous, spinosely-serrated, the superior base often with an auricle; 
sori 1-3 to a pinna, generally on the upper half only. Bedd. 
F. B. L Suppl. t. 362. 
Sikkim, Yakla Pass 10,000 feet; Lachen 10,000 feet; Bhotan. 
5. POLYSTICHUM AURicuLATUM. {Linn. Wider Polypodium.) 
Stipes tufted, 4-6 inches long, scaly below, or throughout; fronds 
