58 
Ferns of British India and Ceylon. 
down nearly or quite to the rachis into numerous linear-acuminate 
or bluntish slightly-toothed lobes ; texture coriaceous ; sori 2-8 to a 
lobe, placed in the teeth on their upper part. Sw. Syn. Fil. p. 130. 
Hook. Syn. Fil. p. 94. Bedd. F. S. /. t ig. 
Anamallay Mountains and Travancore Hills, on the west side of 
the Madras Presidency, not common ; Ceylon, central provinces, 
5,000 feet. 
(Also in Java and the Philippines.) 
GENUS XVII.— DAVALLIA. (Smif/i.) 
(In honour of Davall, a Swiss botanist.) 
Fronds pinnate, bipinnate, or deltoid-multifid, firm and glossy ; 
veins forked, venules free ; sori intra- or submarginal ; involucres ter- 
minal on the veins, attached by the 
base and sides, and forming an 
urceolate tabular cyst impressed in 
the substance of the frond; rhizome 
creeping or suberect ; stipe articulated 
upon the rhizome. 
I. Davallia triphylla. (Hook.) 
Caudex stout, creeping, covered with 
chaffy scales ; fronds coriaceous small 
ternate, pinn^ oblong-lanceolate, ob- 
tuse cuneate at the base, in fertile 
plants more elongated, all of them 
entire, intermediate ones petiolate, 
lateral ones shorter, sessile, oblique 
at the base, veins horizontally patent, 
copious, crowded, parallel, forked, 
thickened, flat (not prominent); invo- 
lucres semicylindrical, compressed, 
crowded so as to form an uninterrupted marginal line the whole 
length of the pinnse. Hook. Sp. Fil. i. 162, and Syn. Fil. p. 94. 
Bedd. F. B. I. t. 105. 
Singapore. 
N»29. 
DAVALLIA TRIPHYLLA 
{Hook.) 
