Ferns of British India and Ceylon. 



6. Pleocnemia Leuzeana. {Hook.) Caudex subarborescent, 

 densely scaly at the crown, stipes 2-3 feet long, stout, striated, shortly 

 hirsute without scales ; fronds up to 6 feet long, subdeltoid, bi-tri- 

 pinnate ; pinna? i-ii foot long, 6-8 inches broad, simple, or the 

 lowest with 2-3 large (12-14 inches long) secondary pinna? from 

 the lower side, which are again pinnate with the pinnules stalked, 

 2-4 inches long, and deeply pinnatifid, ultimate segments oblong- 

 rounded, entire or denticulate, usually with a tooth in the sinus at 

 their base ; lower veins anastomosing in costal arches near the costa 

 of the pinnules and along the midrib of the segments, other veins 



free and excurrent, or all the veins of 

 the segment are free ; sori copious, usually 

 in single rows on each side of the midrib, 

 mixed with yellow glandular hairs ; in- 

 dusium reniform, early fugacious. Hook. 

 Syn. Fil. 295. Bedd. F. B. I. t. 134. 



North and East Bengal, base of the 

 hills up to 2,000 feet elevation, Sikkim, 

 Assam, Cachar, Khasya, Chittagong; 

 Birma, and Malay Peninsula. 



pleocnemia leuzeana. ( Also in Mala y Islands, China, Poly- 



{Hook.) nesia, and North Australia.) 



GENUS LIIL— LASTREA. (Presl.) 



(After Chev. de Lastre, a French nobleman.) 



Sori subglobose, dorsal or terminal on the veins ; indusium reni- 

 form, attached by the sinus, or in the first four species sometimes 

 orbicular ; veins all free ; fronds pinnate or compoundly 2-4 

 pinnate. 



* Indusium reniform or orbicular, texture more or less coriaceous. 



1. Lastrea amabilis. (Bl. under Aspidinm.) Rhizome 



