14 
Ferns of British India and Ceylon. 
herbaceous, glabrous, and scaleless ; primary pinnae 14-16 inches 
long, 6-8 inches wide ; pinnules oblong-acuminate from a rather 
broad and truncated sessile or shortly petioled base, serrated two- 
thirds of the way to the costule, pinnatifid with very narrow sinuses ; 
lobes close-placed, oblong, serrated; veins, simple or rarely forked; 
sori about half-way between the margin and the costule ; receptacle 
small, very shghtly elevated. Hook. Syn, Fil. p. 41. Bedd. F. B. I, 
t. 84. 
Singapore. 
(Aho in the Malay Islands.) 
7. Alsophila commutata. {Mett.) A tree fern ; stipes 
paleaceous, at the base tuberculate-asperous ; fronds bi-pinnate, 
partial rachis slightly squamose ; pinnules all petiolate, sterile ones 
oblong-lanceolate, fertile portions often contracted, coriaceous, 
glossy as if varnished, ending in an acuminated serrulated point, 
pinnatifid scarcely half-way down to the rachis ; segments ovate- 
obtuse, serrate, the margins thickened, or very slightly recurved; veins 
simple or often forked ; sori frequently confined to the lower part of 
the pinnules, and a little distant from the costa of the segments. 
Hook. Sy7i. Fil. p. 43. Bedd. F. B. 1. 1. 235 (as squamulata.) 
Malacca, on Mount Ophir. 
8. Alsophila glabra. {Hook.) A tree fern ; stipes asperous, 
paleaceous at the base, the rachises purple-ebeneous, polished, 
glabrous, or with a few scales, or with adpressed pubescence ; 
fronds subcoriaceous-membranaceous ; primary pinnae ii~2i feet 
long, deeply pmnatifid at the apex ; pinnules, upper ones sessile, 
lower ones petiolate from a truncated base, oblong acuminate, 3-6 
inches long, 5-9 inches wide, pinnatifid ^ to i way to the costule, 
sometimes more in Himalayan examples ; segments triangular or 
rounded, rarely ovate, serrated ; veinlets all simple ; sori arranged in 
the shape of a V inverted, not extending to the apex of the lobe. 
Hook. Syn. Fil. p. 43. Bedd. F. S. I. t. 60. 
All the western hills of the Madras Presidency up to 4,000 feet ; 
