Ferns of British India and Ceylon. 



259 



(Also in Tropical Africa; Mauritius; South China.) 



36. Lastrea Parishii. {Hook.) Caudex creeping, stipe 6-9 

 inches long, slender, naked, ebeneous, fronds small, 6-8 inches each 

 way, deltoid, the lower pinna? much the largest, lower pinnules larger 

 than the others, which are oblong-lanceolate acuminate i|-2 inches 

 long by i-f- inch broad, cut down 

 nearly to the rachis into close oblong- 

 lanceolate crenated lobes, texture mem- 

 branaceous, rachises and under surfaces 

 pubescent ; veinlets pinnate or forked 

 in the lobes ; sori in two rows, not far 

 from the midrib, apical on a veinlet 

 or situated well below the apex, indu- 

 sium reniform. Hook. Syn. Fil. p. 

 281. Bedd. F. B. I. t. 43. 



Birma, Moulmein, moist shady 

 places on limestone rocks. 



37. Lastrea sikkimensis. {Bedd. 

 wider Polystichum. ) Stipes and rachises 

 rather copiously furnished with per- 

 sistent ovate acute blackish scales, 

 fronds ovate acuminate up to 3 feet 

 long, subcoriaceous-membranaceous, bipinnate, primary pinna? 4-6 

 inches long, oblong acuminate, secondary pinnules oblong, deeply 

 pinnatifid, -} inch to 1 inch long, tertiary pinnules sharply and 

 deeply cut, with the segments acuminate and falcate, costa of the 

 pinnules waved, veins simpleor forked, terminating within the margin, 

 sori generally one to each segment, terminal on a veinlet, involucre 

 reniform. Polystichum sikkimense, Bedd. F. B. I. t. 127. Nephro- 

 dium, Clarke, F. N. f.p.5 25. Hook. Syn. Fil. 256. 



Sikkim, Mon Lepcha, 10,000-12,000 feet elevation. 



N9I34-. 



LASTREA PARISHII. 



{Hook.) 



38. Lastrea blumei. {Hook) Stipes up to about 2 feet 

 long, stout, very shaggy, with long linear rufous scales, rachises 



