51 



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. I. t. 19. 



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 XVIL— DAVALLIA. {Smith.) 

 (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. 



1. Davallia triphylla. {Hook.) 

 Caudex stout, creeping, covered with 

 chaffy scales ; fronds coriaceous small 

 ternate, pinnse 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 pinnae. Hook. Sp. Fil. i. 162, and Syn. Fil. p. 94. 

 Bedd. F. B. I. t. 105. 

 Singapore. 



N°29. 



davallia triphylla. 



{Hook.) 



