124° 
free all round the edge. Veins pinnate, the 
lower pair of veinlets anastomosing. Fronds 
bipinnatifid. 
Mesocklana polycarpa Bedd. — 
Caudex erect. Stipes tufted, short, hairy. 
Fronds 2-3 feet long, 12-18 inches broad, 
pinnate; pinne upto g inches long, 34-inch 
broad,’ oblong, lanceolate, dwindling down to 
mere auricles towards the base, cut down deeply 
into oblong linear lobes. Rachis hairy. 
Lower surface hairy. [Fig. 41-a and 0.] 
The fern has the habit and venation of 
Nephrodium. 
Distribution: Bombay Presidency—North 
Kanara.— Malay Peninsula.—Malay Islands. 
Genus XXVIII.—Potysticnum Roru. 
(Deriv. Gr. Poly, many ; stzchos, order.) 
Sori globose; veins free; texture leathery, 
teeth awned. 
(a) Fronds simply pinnate, margin spinu- 
lose-serrate. 
1. P. auriculatum., 
(0) Lower pinnz once pinnate, i.e. fronds 
bipinnate. Margin with teeth awned. 
2. P. aculeatum. 
