Ferns of British India and Ceylon. 333 
when viewed between the eye and the light, costules not elevated, 
areoles 10-12 between the costa and the margin, including 2-4 
simple or forked clavate soriferous veinlets ; sori prominent (not 
sunk), forming a broad mass in the disk of the upper half of the 
frond, not reaching the margin ; capsules mixed with long stipitate 
peltate stellated scales. Hook. Sp. Fil. v. 52. Hook. Ic. PL t. 203. 
Gen. Fil. 83, Polycarpium, Pr. Bedd. F. B. I. t. 121. 
Penahg, Tenasserim (Parish). 
12. NiPHOBOLUS BOOTHII. 
{Hook.) Rhizome short with lan- 
ceolate-linear golden scales ; stipes 
8-16 inches long, and stout in pro- 
portion, tawny brown, paleaceous, 
with imbricating ferruginous lanceo- 
late scales only at the very base ; 
frond carnose-coriaceous, 16-24 
inches long, 3-4 inches wide, el- 
liptic-lanceolate, obtusely acuminate, 
moderately attenuated, glabrous, and 
punctated above with minute black- 
ish dots (probably corresponding 
with the receptacles of the sori), 
beneath covered with a dense vel- 
vety mass of ferruginous stellated 
tomentum ; primary costular veins 
evident but not prominent, united by 
transverse- arched veins, forming 
many series of areoles, each with 
few included veinlets, which are much 
branched or anastomosing ; sori 
small, partially sunk in the tomentum 
NIPHOBOLUS MUMMULARLEFOLIUS. 
{Alett.) 
forming transverse lines between the costules and as many as there are 
areoles. Hook. Sp. Fil. v. 53. Bedd. F. B. I. t. 258, 
Bhoian. 
