no 



Ferns of British India and Ceylon. 



East Bengal, Assam to Chittagong, up to 1,000 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 

 is also pinnatifid. 



N?5S. 



US SEMIPINNATA. {L.) 



9. Pteris Dalhousi^e. {Bock.) Stipes 

 strong, erect, about 1 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 1 foot long, deltoid ; 

 pinnules with simple or branched linear 

 segments, the longest undivided ones 6 

 inches long, ^— | inch broad, those of the 

 pinnae with usually about 1 inch between 

 them ; the margins very slightly serrated ; 

 texture subcoriaceous ; rachis and surfaces 

 naked ; veins fine, simple, or once-forked ; 

 indusium narrow-membranous. Hook. Syn. 

 Fil. p. 157. Bedd. F. B. I. t. 191. 



Penans;. 



10. Pteris quadriaurita. (Retz.) Stipe glabrous or scabrid; 

 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, 



