176 



Ferns of British India and Ceylon. 



or obliquely cuneated base, linear-oblong, acuminate, falcate, sharply 

 and subspinulosely serrated, terminal one petiolate and similar to the 

 rest, or larger and broad and pinnatifid at the base from being 

 formed of dwarfed and confluent pinnae, very coarsely serrated 

 towards the finely acuminated apex ; veins very patent, immersed, 

 generally twice dichotomous, the lowest superior branch (arising from 

 near the costa) bearing the linear sorus along its whole length, rarely 

 diulazioid, and only from 1-3 at the superior and mostly truncated 



but not auricled base ; involucres 

 narrow, firm, membranaceous. 

 Bl. En. Fil.Jav. 176. Hook. Sp. 

 Fil. iii. 238. Bedd. F. B. I. t. 196. 

 Birma and the Malay Penin- 

 sula. 



(Also in the Malay Islands and 

 the Philippines.) 



5. DlPLAZIUM PORRECTUM. 



( Wall.) Caudex erect or ascending; 

 stipes tufted, 6-12 inches long; 

 fronds 8-10 inches to i| foot long 

 deltoid-oblong, pinnate ; pinna? 

 horizontal, numerous, 4-6 inches 

 long, petiolate or sessile, and con- 

 fluent at the acuminated pinnatifid 

 apex, from a broad truncated and 

 auricled or generally quite hastate 

 base (having a distinct auricle above 

 and below), linear-lanceolate, obtuse or acuminate, lower ones more 

 or less deeply pinnatifid, intermediate ones obtusely dentate, 

 uppermost ones entire at the margins ; veins patent, pinnated in 

 the auricles, the rest once or twice forked ; sori linear, elongated, 

 confined to the superior or basal veinlet, and extending its whole 

 length, or on the two outer ones, mostly diplazioid ; involucres 

 membranaceous when young. Wall. Cat. 204. Hook. Sp. Fil. i ; i. 

 250. Bedd. F. B. L t. 245. 



N°85. 

 DlPLAZIUM PORRECTUM. 



[Wall.) 



