34. DAVALLIA. % 2. COLi'OSORIA ^03 



or crenale, oblong lobes. Texture coriaceous; main rachis slightly winged 

 towards the apex, , secondary and tertiary rachises narrowly winged; surfaces 

 more or less distinctly striated or marked with lines or spurious veins be- 

 tween the true veins. Sori in the teeth of the mostly narrower fertile seg- 

 ments, several to a segment, with 1 — 2 horns projecting beyond them; in- 

 dusium + orbicular or [elliptical, the bolh ends rounded or roundish-deltoid, 

 the apex reaching the margin of the segment. 

 Tropical Ada, Polynesia, Australia. 



(13) I>. liOrrainii, nance, Hk. Bk., Syn. Fil. 469; Bedd., Perns 

 S.Br.I., Suppl, tab. CCCLI. 



Rhizome thick, clothed with linear-subulate, nearly black, densely grey- 

 ciliated scales. Stipes 7'/j — 10 c.M. long, naked, brownish. Fronds 15 — 30 

 c.M. long, deltoid, 4-pinnatifid. Pinnae stalked, deltoid, lowest largest, produced 

 on the lower side, their rachises winged to base. Pinnulae and segments 

 subsessile, crowded, deltoid, + reduced on the lower side ; final lobes ligu- 

 late, 7a — ^ mM. broad, with sorus at base of inner side. Texture subcoria- 

 ceous, surfaces naked; barren lobes 1-veined. Indusium subcylindrical. 

 Malacca. 



(14) O. pyxidata, Cav., Hk. Bk., Syn. Fil., 96; Hk., Spec. Fil., 

 I, tab. LV, C; Ban. & Hk., Gen., Fil., tab. XXVH. 



Rhizome si out, creeping, densely clothed with pale-brown, linear scales. 

 Stipes erect, strong, 10—13 c.M. long. Fronds 20— 4S c.M. long, 15— 25 c.M. 

 broad, deltoid» 3 — 4-pinnalifid. Pinnulae of the lower pinnae lanceolate, 5 — 8 

 c.M. long, + 2'/2 c.M. broad, with deltoid or oblong segments, the lowest 

 of which are cut down nearly to the rachis. Texture coriaceous, Sori in 

 the teeth, with a broad space outside them', which projects like a horn beyond 

 them ; indusium half-cupshaped. 



Km Islands; Australia. 



* (1-5) ». biiUata, Wall., Hk. Bk., Syn. Fil., 97; Hk., Spec. Fil, 

 I, tab. L, B; Christ, Farnkr. d. Erde, fig. 955; Bedd., Fern S.I., tab. XVH. 



Rhizome creeping, stout ; the scales light-brown or whitish, the base round, 

 peltate, the apex long, filiform, hair-pointed, short-ciliate, ± recurved. Stipes 

 strong, 7 '/j— 12^2 c.M. long, erect. Fronds 16—30 c.M. long, 10—20 c.M. 

 broad, ± deltoid, 3— 4-pinnatifid. Pinnulae of the lower pinnae lanceolate, 

 g_S c.M. long, ± 272 c.M. broad, with deeply inciso-pinnalifid, oblong rhom- 



