522 APPENDIX. 71. POLYPODIUM. 



(45c) J*, canalicniatum, v. A. ». «.,• P. petiolatum, RidL, in 

 Trans. Linn. Soc, Bot., 2nd Ser., IX, 260. 



Rhizome slender, provided with silvery- white . lanceolate, acuminate 

 scales. Stipes slender, 4 — 8 cm. long, canaliculate, naked. Fronds 

 oblanceolate, + 12 cm. long hy I'/j — 1^/4 cm. broad, narrowed at the 

 base, the edge recurved, indistinctly undulated. Texture coriaceous; 

 veins copious, straight, fine; veinlets 6, indistinct. Sori round, propor- 

 tionally large, terminal on the veinlets, elevated on the upper surface. — 

 The proper place of this species is uncertain because of incomplete description. 



Neio Guinea. 



(45rf) P. biiseriale, Itidl., in Trans. Linn. Soc, Bot., 2nd Ser., 

 IX, 260. 



Rhizome clothed with ovate, obtuse, brown scales. Stipes slender, 

 terete, pubescent. Fronds caespitose, lanceolate, + 14 cm. long by 4 — 5 

 cm. broad, acuminate, undulate, narrowed towards the base. Surfaces 

 shortly black-hairy; veins indistinct, simple, flexuose. Sori in 2 — 4 rows 

 on each side of the costa. 



New ' Guinea. 



(46a.) I*, alcicorne, mdh, in Trans. Linn. Soc, Bot., 2nd 

 Ser., IX, 261. 



Rhizome moderately stout, provided with pale-brown, lanceolate, 

 acuminate scales. Stipes -h 10 cm. long, naked, winged. Fronds 20—35 

 cm. long, 3 — 4 times forked. Primary segments 4 — 5 mm. broad, ultimate 

 ones linear, 2 — 2'/, cm. long, + 2 mm. broad, narrowed towards the 

 obtuse point. Texture coriaceous; surfaces naked. Sori subcostal, round 

 or elliptical, subremote, occupying the ultimate segments. 



Neio Guinea. 



(54rt) I*. Carstcnsxcnse, mdl., in Trans. Linn. Soc, Bot., 2nd 

 Sen, IX, 260. 



Rhizome provided with thin, lanceolate, acuminate, pale-brown scales. 

 Stipes slender, terete, + 7-8 cm. long, pubescent. Fronds linear, + 

 20 cm. long by I'/j cm. broad, undulated towards the acuminate apex, 

 shallowly, bluntly and broadly lobed towards the cuneate base. Texture 

 subcoriaceous ; veins numerous, flexuous ; veinlets + 6, short. Sori small, 

 elliptical, slightly immersed, terminal on the veinlets. 



Neto Guinea. 



