86a. LEPTOGHILUS. $ 1. POEGILOPTERIS. 743 



nearly naked. Barren fronds varying from simple, ± 30 c.M. long, ± 5Vj — S 

 c.M. broad, to copiously pinnate, 60 c.M. long, 30 c.M. broadj with several 

 linear-oblong, entire or subrepand pinnae on each side, v^hich are sometimes 

 18 — 25 c.M. long, + 5 c.M. broad. Texture subcoriaceous ; rachis and sur- 

 faces naked; main veins distinct nearly to the edge, with copious free vein- 1 

 lets in the areolae. Fertile fronds similar, but smaller. 

 Malaya; Fiji. 



(18) li. scalp turatns, C. Chw., Ind. Fil.; - Acrwitwhum coslalum, 

 Wall., Ilk., Spec. Fil., V, aG^ s Gymmptena ooolala, Bedd,, Copel . , Polypod . 

 Philipp., — a-, — Pocoiloptork coetatat MoorOi — Ind i i 8 i Heteronevfon scalpturatum, 

 Fee, (oldest name). 



Rhizome creeping, bearing subulate scales. Stipes 45 c.M. or less long. 

 Fronds 60 c.M. or more long. Pinnae up to 35 c.M. long and 8 c.M. broad, 

 stalked, acuminate, entire, crenate or sinuate. Texture subcoriaceous; surfaces 

 naked; main veins prominent, close; areolae and excurrent included veinlets 

 copious. Pinnae of fertile fronds smaller and more coriaceous. 



Philippines; North. India, Burmah. 



$ %. CHRYSODIUM. 



a. Fertile fronds simple, as are the barren ones. 

 b. Barren fronds small, under 7*/j c.M. long. 



*. Fertile fronds obtuse. (19a) L. minor. 



it:. i^. Fertile fronds acuminate. (19&) L. rizalianus. 



b,b. Barren fronds larger, more than 7^j^ c.M. long when fully developed. 

 c. Barren fronds rounded at the base. (20) L. antrophyoides. 



c.c. Barren fronds subacute or gradually narrowed at the base. 

 d. Barren fronds iO — i5 c.M. long, to ± i c.M. broad. 



ii:. Rhizome short. (21a) L. hydrophyllus. 



ifi.i(i. Rhizome long. (216) L. modestus. 



d,d. Barren fronds i5 — 45 c.M. long, i — 5 c.M. broad. 



e. Rhizome creeping. (22) L. lanceolatus. 



e.e. Rhizome scandent. (23) L. axillaris. 



a.a. Fertile fronds ternate, barren ones simple or' ternate. (24) L. Raapii. 



