71. POLYPODIUM. § 2. PROSAPTIA. 371 



(108c) P. tortile, ». A. v. jr.; DavaUia Merrillii, C. Cltr., Ind. 

 Fil., Suppl. 



(110&) P. polyBiaorplBiiiu, »• ^. v. a.; DavaUia polym.orpha, C. 

 Chr., Ind. Fil., Suppl. 



(Ill) P. COUtigllHIll, J. Stn. 



Waav iMOnoson'iisii. — Also in Java, Amboina. 



Wstv. |Bee4iEBatMisa: Sori intvaniarginal. — Also in Malacca. 



(lUrt) P. acrosoroidciS, ». Ji. r. n., in Bull. Btz., i9iS, XI, 21 

 Prosaptia linearis, Copel., in Philipp. .Journ., IV*^, 115; DavaUia linearis. 

 a Chr., Ind. Fil., Suppl. 



Rhizome subcreeping, the extremity clothed with narrow, ciliate 

 cancellate, black-brown scales. Stipes short, approximate. Fronds up to 

 40 cm. long, ± '■'■j^ — IV2 cm. broad, pinnate. Pinnae spreading, approx- 

 imate, triangular-oblong, blunt to acute, entire, broadly adnate, dilated in 

 the fertile region, sometimes slightly decurrent, not confluent, the lower 

 ones rather remote and gradually diminished to mere teeth. Texture 

 coriaceous; rachis slender, black, naked. Sori oblong, subterminal and 

 solitary on the pinnae, deeply immersed, the mouth of the cavity mar- 

 ginal or intramarginal, on the acroscopical side, elevated and surrounded 

 by a ring of hairs. 



Luzon. ■ .. 



(1116) P. Kng'lerianuBKi, v. A. v. JS./ DavaUia Engleriana, Brau., 

 in Lautb., Beitr. Flor. Pap., I, 27, fig. 1 H; C. Chr., Ind. Fil., Suppl. 



Rhizome short, erect, clothed with linear, fuscous, long-acuminate, 

 ciliate scales. Stipes tufted, 1 — 2 cm. long, terete, provided with long, 

 fuscous, horizontally spreading hairs. Fronds linear-lanceolate, + 85 cm. 

 long and 6 % cm. broad, narrowed gradually towards both ends, deeply pinnat- 

 ifid, bluntish. Lobes subulate-linear from a dilated base, bluntish, entire, 

 ciliate, separated by rounded sinuses, the central ones the largest, + S'/j 

 cm. long and '/a cm. broad, the lower deltoid. Texture coriaceous, sub- 

 pellucid; under surface sparingly hairy when young, glabrescent; costa 

 long-hairy; costulae and veins prominent above; veins forked, to 12 on a 

 side. Sori terminal on the anterior veinlets, intramarginal. 



NeiD Gvdiiea. 



