no Ferns of British India and Ceylon. 
East Bengal, Assam to Chittagong, up to i,ooo feet ; Travancore 
Hills ; Birma. 
(Also in Malay Islands, China, and Japan. ) 
In Indian examples the pinnae are always semipinnate, but 
in Chinese and Japanese forms the upper margin of the pinnae 
9. Pteris DALH0US1.E. {Book.) Stipes 
strong^ erect, about i foot high, polished, 
naked ; fronds 2-3 feet long, 12-18 inches 
broad, 3-4 pinnatifid ; upper pinnae linear, 
unbranched decurrent down to the next pair, 
lower ones sometimes i foot long, deltoid ; 
pinnules with simple or branched linear 
segments, the longest undivided ones 6 
inches long, ^-f inch broad, those of the 
pinnae with usually about i inch between 
them; the margins very sHghtly serrated; 
texture subcoriaceous ; rachis and surfaces 
naked ; veins fine, simple, or once-forked ; 
indusium narrow-membranous. Hook. Sy?i. 
Fil. p. 157. Bedd. F. B. I. t. 191. 
Penang. 
10. Pteris quadriaurita. (Retz.) Stipe glabrous or scab rid; 
fronds very variable in size and texture, lanceolate or ovate-lanceolate, 
with 3-1 1 subopposite pairs of pinnae ; in the typical form all except 
the lowest pair are narrowly oblong acuminate or caudate, and cut 
down nearly to the rachis into many uniform segments, which are 
obtuse or acute entire or serrated, and the lowest pair bipartite ; but 
in some forms several or nearly all the pinnae are bipartite, and the 
lowest or two lower pairs have several pinnae descending from the 
lower side, and in one form the lowest pair is completely bipinnate 
with five pinnae on each side of the rachis ; veins conspicuous. 
is also pinnatifid. 
N?58. 
PTERIS SEMIPINNATA. [L.) 
