davallie.t: — davallia. 53 



Mount Apo, ^lindanao, Copeland lOOG, on tree trunks, in the mossy 

 forest, at an altitude of 1,800 m. 



(2) D. contigua Swartz. Fronds tufted, sessile or nearly so, 30 to 

 45 oni. long, alK)ut 3 cm. broad, linear-lanceolate, cut down nearly or 

 quite to the racliis into numerous linear-acuminate or bluntish, slightly- 

 toothed lobes; texture coriaceous; sori 1 to 8 to a lobe, placed in the 

 teeth on tlieir upper part. 



Luzon, Cuming 210; Benguet, Elmer 0275; Davao, Copehind 1013, DeVore 

 and Hoover 335. 



Ceylon to PoljTiesia. 



(3) D. alata Bl. (D. Emersoni Hk. and Gr.) Rootstalk erect, short, 

 scaly; fronds tufted, sessile, 20 to 30 cm. high, 3 cm. wide at the widest 

 part, linear-lanceolate, cut more than half way down to the rachis into 

 numerous linear-oblong, or at the lower part triangular, lobes; texture 

 coriaceous, minor veins invisible; sori 1 to 8, placed round the edge of 

 the lobes. 



Mount Mariveles, Topping. 

 India, to Borneo. 



(4) D. epiphylla Bl. Rhizome thick, fibrillose; stipe 10 to 50 cm. 

 long, erect, firm; frond variable in size, deltoid-lanceolate, tri-quinque- 

 pinnatifid; main rachis hardly at all winged; pinnules of the lowest 

 pinnae lanceolate, segments narrow, mucronate, sharply toothed; texture 

 coriaceous; veins not immersed, one or two carried into each tooth; sori 

 small, submarginal, half-cupshaped, with the sharp muoro of the tooth 

 extending beyond them. 



Davao, ^Varhurg 14138, Copeland. 



Java and Malay Peninsula. 



Not sufficiently distinct from D. elegans. 



(5) D. elegans Swartz. Rhizome stout, creeping, densely clothed with 

 wooly fibrous scab's; stipe stout, 10 to 50 cm. higli, brown; frond 30 to 

 00 cm. higii, two-tliirds as wide, deltoid tri- to quinquepinnatifid: main 

 rachis sliglitiy winged toward the apex; ultimate segments oblong-deltoid 

 or narrower, themselves usually toothed, inaequilaterai ; texture coriaceous; 

 venation prominent, irregular, with false veins free at both ends between 

 the true ones; sori several to a segment, marginal but exceeded by the 

 teeth; indusium half-cupshaped. 



Luzon, Cuming 77; Benguet, Elmer 0385; Gimogon River, Xegros, 

 Copehind 0!); Capiz, Panay, Copelinid. 



Madagascar across Polynesia. 



Very variable in size and the degree of dissection of the frond. F.pipliytic 

 and terrestrial. 



D. elata Sw. is a larger and less coriaceous form of this species, with 

 finer divisions. 



(0) D. solida Swartz. Rhizome stout, densely clothed with adpresscd 

 scales or fibers; stipe 10 to 15 cm. high, strong, erect; frond 30 to 00 

 cm. long, deltoid, tripinnatifid; apex with a moderately broad undivided 

 center; segments ovate-rhomboidal, deeply toothed, narrower and sharper 



