Ferns of British India and Ceylon. 
303 
base, the margin entire or slightly undulated^ texture herbaceous to 
subcoriaceous, both sides more or less clothed with long hairs ; veins 
more or less immersed, forked ; sori often mixed with copious hairs, 
round or linear, at the apex of the superior veinlet forming a single 
row on each side of the costa. Hook. Sy/i. Fil. p. 319. Bedd. 
F. S. I. t. 165. P. mediale {Baker)^ Hook. Syn. Fil. p. 507. 
South India, common on the Nilgiris and other Western moun- 
tains at the highest elevations ; Ceylon. (This includes P. mediale of 
Baker, the sori often being linear and globose on different fronds 
of the same plant, as in 
my figure quoted above). 
Mr. Wall sends some 
specimens from Ceylon 
with a creeping root, 
but I never saw it creep- 
ing in the Nilgiri plant. 
2. PoLYPODIUxM 
SUBEVENOSUM. {Baker.) 
Stipes tufted, very short, 
black wiry ; fronds 3-4 
inches long, \ inch 
broad, ligulate, the point 
bluntish, the lower part 
narrowed very gradually, 
the edge sHghtly repand, 
texture subcoriaceous, 
colour bright green, the 
rachis black, slightly fur- 157 
furaceous below ; veins polypodium parasiticum. {Mett.) 
simple, very short and indistinct ; sori round, tending slightly to- 
wards oblong, in a long row on each side close to the midrib. Hook. 
Syn. Fil. p. 320. Bedd. F. B. I. t. 323. 
Penang. 
3. Polypodium ZEYLANicuM. {Mett.) Rhizome strong, wide- 
