1260 BENGAL PLANTS. (Acrostichum. 
1146. Acrostichum Linn. 
Herbs, with tufted stipes or a creeping rhizome; fronds 
variously simple or pinnate, usually pi rphic; veins free or 
anastomosing. Sori spread in a layer over the whole surface of 
d 
the frond or its upper pinne, an over both surfaces an 
not confined to the veins only ; industum absent. 
Veins free; barren fronds simply pinnate; fronds dimorphic :— 
Pinne rigid, coriaceous, pungent-serrate; veins fine, close ...palustre. 
Pinne herbaceous, deep-crenate, with a seta in the sinus between each 
culatum. 
pair of crenatures ; veins more 
Veins anastomosing copiously : 
Main-veins distinct nearly or ite to the margin ; tip of barren frond 
often Azmrelee. fronds dimorphi 
rren frond simple or with aie re 3 pairs of pinne . Aine hse 
Barren fr ith many pairs of pinne aie 
Main-veins falling short of the margin, or indistinct, or Shella: a 
Barren fronds entire ; fronds dimorphic, acute :-— 
Giant raised but falling considerably short of the marg! in 0 
the frond lanceolatum. 
I EYE VGN TOG ot ey ro ola Vg scanceebwauersereses axillare. 
Barren fronds pinnate ; sterile ae fertile fronds sng ro Bere: 
obtuse ; areole without free veinlets ..........ce-eeeeeeeeeneree re’ reum. 
2834. sue peas PALUSTRE Bedd. A, scandens E. D. A. 448 
teris scandens i hi 758 (Ed. C. B. C.). Stenochlena 
palustre iL, 
C. Banal; ‘E. Bena Sundribuns ; Chittagong. 
A large, scandent fern 
2835. ACROSTICHUM APPENDICULATUM Willd. A. 
F. I. 749 (Ed. C. B. ia Piacoa appendicula 
Hamiltoniana F. I. C. 4 
Chittagong. 
A tufted fern; fronds simply pinnate, sometimes PFO 
seetacoonense 
ta var. 
lifero 
2836. Pic. FLAGELLAFERUM Wall. Gymmopteris flagel- 
lifera F. . 433. 
papas ong. 
A creeping fern, with cist scaly rhizom 
2837. Pe Rs costatum Wall, Cynnopteri costata 
- 1. C. 438. 
Chittagong. 
