1246 BENGAL PLANTS. [Pteris. 
2767/2. Var. Buumeana F. 1. C. 112. P. quadriaurita F. 1. 759 
Ed. C. B. C.). 
Chittagong. 
A very large, handsome fern. 
2768. ie BIAURITA Linn. Campteria biaurita F. I. C. 116. 
most of the Rag 
: large, handsom 
2769. PrERIS GEMINATA Wall, eee Kleiniana F. I. C. 116. 
Chota Nagpur ; aon Chittago 
, handsom 
2770. Pack LUDENS Wall. P. mati F. I. 758 (Ed. C. B.C.). 
ryopteris ludens F. I. C. 1 
Orissa ; Chittagong. 
A small fern ; rhizome creeping, fronds dimorphic. 
1134. Ceratopteris Brogn. 
A succulent, annual, tufted herb of wet places ; fronds dimompie 
decompound, the barren pinne broad, lobed, the fertile linear 
ins anastomosing. Sori situated on two or three veins gina 
longitudinally down the fertile pinn, nearly parallel with both 
midrib and edge ; sporangia scattered on the receptacles, sessile, 
subglobose, with a ring variously complete, partial or obsolete ; 
indusium consisting of the reflexed margins of the frond, those of 
the two sides meeting against the midrib. 
2771. CERATOPTERIS THALICTROIDES Brogn. ; F. 1. C. 123. Pélervs 
succulenta F. I. 759 (Ed. C. B. C.) 
In all the provinces. 
A herbaceous, succulent weed of wet places. 
1135. Blechnum Linn. 
Rigid pai. with usually a stout, suberect or ‘watt caudex, 
r tw ; fronds usually with numerous, linear, nearly 
se Pet on each side, rarely somewhat dimorphic, very 
rarely simple or 2-pinnate; veins usually free. Sori linear, con- 
tinuous or nearly so, parallel with and usually contiguous to the 
midrib ; indusiwm membranous, <— from the margin of the 
frond and opening towards the mi 
2772. BLECHNUM ORIENTALE souks: F. I. ©. 182, B. moluccanwum 
F. I. 757 (Ed. C. B. C.). 
Chota Nagpur ; Chittagong. 
