﻿71. POLYPODIUM. § 6. PLEOPELTIS. a**. LECANOPTERIS. 627 



(tdO) P. bariiSAilicilili, v>. A. v. R.s Lecanopleris incurvala, Bk., 

 Ann. of Bot., VllI, 123; C. Chr., Ind. Fil. 



Stipes short, erect, firm, yellow-grey to brownish, naked. Fronds oblong- \ 

 lanceolate, caudate, simply pinnate, 23 — 40 c.M. long. Pinnae maltljugate, 

 3 — 5 c.M. long, confluent at the base or connected by a narrow wing, 

 the barren ones linear-oblong, entire, I'/j — ^ c.M. broad, obtuse, the fertile 

 ones narrower, to 1 c.M. broad, lanceolate, deeply crenate (toothed?). Texture 

 membranaceous; under surface glaucescent; areolae hexagonal, copious, with 

 copious free veinlets. Sori solitary and terminal on the teeth, which are 

 induplicate, boat-shaped, and turned back on the upper surface of the frond. 



Sumatra. 



• (131) P. na/vicnlare, ». a. ». Jt./ Lecanopleris Curlisii, Bk., 

 Journ. of Bot., XIX, 366; Hk., Icon. PI., XVII, tab. MDCVII; C. Chr., Ind. Fil. / 



Stipes 5 c.M. long or longer, shining, pale-brown like the rachis. Fronds 

 lanceolate, simply pinnate or deeply pinnatifid, 35 — 45 c.M. long, 5 — 12 c.M. 

 broad. Pinnae ± 10 — 30 pairs below the terminal one, ligulate, obtuse, 

 narrowed near the base, 272—6 c.M. long, 6 — 12 m.M. broad, all fertile 

 except the 2 — 7 lower pairs, which are rather shorter or + reduced. Texture 

 chartaceous; surfaces naked, the lower glaucous; main veins distinct; areolae 

 fine. Sori small, 1 to each tooth; .soriferous teeth minute, + 7 — 8 on 

 each side of the pinnae, erect or erecto-patent, twisted, not turned back on 

 the upper surface of the frond, each with a laterally compressed, boat-shaped 

 cavity, with the mouth facing towards the apex or margin of the pinna. 



Sumatra, Lingga, Borneo, Celebes. 



§ 6. PLEOPELTIS. b. Atactoisia. ^. L.episorns. 



a. Substance of the fronds thick ; all the veins + obscure. 

 h. Sori scattered irregularly. 



$. Fronds roundish or oblong, nearly as broad as long, under 2 c.M. 

 long. (132) P. holophyllum. 



$.$. Fronds elongate, more than 2 c.M. long. 

 ■^. Rhizome wide-creeping or scandent. 

 X. Fronds narrow, to 2 c.M. broad. 



+, Fronds ± 7 — 15 c.M. long, distinctly stalked. 



(133] P. subsparsum. 



