56 
Ferns of British India and Ceylon. 
sori solitary submarginal ; rachis nodose above at the insertion of the 
pinnae and ferrugineo-tomentose ; stipe not articulate, slightly rough 
or glabrous, paleaceous below ; rhizome short -creeping. Presl. Tent. 
Fter. t. 3. Hook. Syii. Fil. p. 92. Bedd. F. B. I. t. 93. 
Himalayas, from Nepal to Bhotan, 3,000-7,000 feet, abundant 
in Sikkim ; Khasya, 3,000-6,000 feet ; Malacca. 
(Also in Java.) 
This differs from the other Leucostegias in habit, and in the 
stipe not being articulate, and should be kept distinct as a genus 
under its original name of Acrophorus; it is very Uke Diacalpe aspi- 
dioides except in the indusium. 
GENUS XVI.— PROSAPTIA. {Fresl) 
(Sori immersed in the margin of the frond.) 
Fronds contiguous, linear-lanceolate, pectinate-pinnatifid ; veins 
simple, free ; involucre a marginal 
cyst formed of the substance of 
the frond subcylindric. 
I. Prosaptia Emersoni. 
{Fresl.) Fronds tufted, sessile, 
6-12 inches long, i inch broad, 
linear-lanceolate, cut more than 
half-way down to the rachis into 
many linear-oblong, or at the lower 
part triangular lobes ; texture coria- 
ceous ; sori 1-6 round the edge of 
the lobes. Hook. Syn, Fil. p. 94. 
Bedd. F S. I. t. 20. 
Anamallay Mountains, South 
India, 3,000-4,000 feet ; Ceylon ; 
Penang. 
n°27 (Also in Java, Borneo, and the 
PROSAPTIA EMERsoNr. {PresQ Philippine Islands.) 
2. Prosaptia contigua. {Swarlz.) Fronds tufted, sessile, or 
nearly so, 12-18 inches long, i-i-^ inch broad, linear-lanceolate, cut 
