121 



NIPHOBOLUS. 



-N IPHOBOLUS -PEN ANGI ANUS. (Hook.) Caudex 1 Stipes scarcely auy, fronds submembranaeeous, 1J foot and more 

 long, 2f inch wide, oblanceolate finely acuminate, the base much and gradually attenuated sessile, the margin irregularly sinuated 

 glabrous above (at least in maturity), beneath thinly clothed with fuscous stellated hairs, venation internal, but manifest when 

 viewed between the eye and the light, costules not elevated, areoles 16-18 between the costa and the margin including 2 to 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 arranged with great regularity in four longitudinal series parallel with the costules and within each areola are transverse 

 lines, each of four sori, capsules mixed with long-stipitate peltate stellated scales. Hook Sp. FiL v. 52. Hook. Ic. PL, t. 203, 

 Gen. FiL 83. Polycarpium, Pr; 



The specimen figured is from Birmah— -(Parish). 



Hab, Birmah, Penang. 



PLATE No. CXXI. 



