PTERIDEyK 

 PTERXS. (See "Ferns of Southern India," p. 11.) 



xTERIS HETEROMORPHA. (Fee.) 1J-2 feet high erect firm, caudex scarcely any, roots wiry, cseapitose, frond 1-1 1 

 foot high broad lanceolate subeoriaceo-membranaceous remotely pinnate, pinnae usually opposite,4-6 pairs sessile linear-lanceolate elongated 

 acuminated, 3 to 5 or 6 inches long entire at the margin or subsinuato crenate serrated only at the apex simple (undivided) or here and 

 there with only a single or two horizontal lobes or ears near the base (rarely above the base), at other times the upper pinnse are sparsely 

 lobed and the lower ones gradually more so, the lowest ones pinnatifid in their lower half with 4=6 oblong-lanceolate lobes on each side 

 spreading horizontally (almost pectinated,) veins approximate simple or once forked, veinlets reaching to the margin, sori continuous but 

 not extending to the apex, involucres marginal membranceous narrow, stipites short in proportion to the length of the fronds and rachises 

 slightly rough to the touch bright tawny glossy. Hook Sp. Fil ii. 166 ;— Pt. heteromorpha, Fee, Gen, Fit. p. 125-127 ;— Pt. propinqua, 

 J. Sm. En. Fil Fhilipp. in Hook Journ. of Bot. iii. p. 405— (not of Agar -dh and name only,) 



The specimen figured is from Birmali, ^anlskj, 



Hab. Birmab, Luzon. 



PLATE LXXXIX, 



