642 71. POLYPODITM. § 6. PLBOPELTIS. b*. LEPISORUS. 



(1646) P. sablanianiun, Christ, Philipp. Journ., U, 177. 



Near P. myriocarpum, Mett., but : Rhizome scandent, brown, clothed with 

 stiff, subulate, dark-brown scales. Fronds to + 73 c.M. long, to + S'/j c.M. 

 broad, the apex long-caudate, the margin undulate, the base long-decurrent. 

 Texture membranaceous; colour bright-green; costa light-yellow; venation 

 slender, forming a single row of very large, square primary areolae and an- 

 other row of very narrow, obscure ones. 



Luzon. 



(165) P glosslpes, JBU., Ann. of Bot., V, 476. 



Rhizome wide-creeping, clothed with few, small, squarrose, linear, brown 

 scales. Stipes 5'/j — 4 c.M. long. Fronds lanceolate-oblong, acute or obtuse, 

 narrowed very gradually at the base, 15 — 20 c.M. long, S'/^ — e'/j c.M. broad. 

 Texture chartaceous; surfaces naked; venation as in P. myriocarpum, Mett. 

 Sori globose, superficial, scattered all over the frond. 



New Guinea; Cambodja. 



(166) P. lingnaeforme, Mett., Hk Bk., Syn. Fil., 358. 

 Rhizome stout, short-creeping. Fronds sessile, 20 — 45 c.M. long, 6—8 



c.M. broad, tongue-shaped, narrowed from the centre to ^]^ of the wav down, 

 and then dilated again to a broadly-rounded base, the edge entire. Texture 

 l)apyraceous ; both surfaces naked; veins very distinctly prominent, the main 

 ones irregular; areolae subquadrangular, with a single, distinctly immersed 

 sorus on free or joined veinlets in the centre of each. 

 Luzon, East. Malaya; Polynesia, Melanesia. 



§ 6. PLEOPELTIS. b. i^taetosia. **. Pieuridinm. 



Sori in i row on each side of the midrib, solitary between the mam veiiis^ 



sometimes confluent. 



b. Sori superficial, round, rarely oblong. 



c. Barren fronds distinctly shorter than the fertile ones, and much 

 broader, under iO c.M. long. 



d. Fertile fronds under 6 m.M. broad. (167) P. costulatum. 

 d.d. Fertile fronds broader, 7 — 20 m.M. broad. 



e. Rhizome scales lanceolate, whitish. (168) P. Hellwigii. 



