71a. PLEOPELTIS. § 1. EUPLEOPELTIS. 393 



Rhizome wide-creeping, wiry, more or less glaucous; scales roundish, 

 peltate, scattered, black at the centre, brown and entire at the edge. 

 Stipes slender, . 10 — 12 cm. long, brown, naked. Fronds 3-fid. Lobe^ 

 linear-lanceolate, ± 1% cm. broad, acuminate, slightly repand; central 

 lobe 15 — 30 cm. long, lateral ones much ascending, + 15 cm. long. 

 Texture membranaceo-herbaceous ; upper surface provided with white, 

 calcareous, dot-like scales, lower naked; central ribs stramineous, prom- 

 inent; veins distinct; areolae in 2 rows on each side, with free veinlets. 

 Sori in 1 row on each side, medial or intramedial. 



Neio Guinea. 



(193) PI. sumatrana, v. A. v. R.i Polypodium sundense, G. Ghr. 



(193a) PI. papyracea, ». A. v. JR.; Polypodium papyraceum, 

 Gopel, in Philipp. Journ., VF, 90; C. Chr., Ind. Fil , Suppl. 



Stipes + 15 cm. long, brown, naked, narrowly winged towards the 

 frond. Fronds + 22 cm. long, 12 cm. broad, deeply pinnatipartite. 

 Segments + 7 on a side, ascending, the largest + 11 cm. long, 8 mm. 

 broad, the lower narrowed at both ends, dilated at the very base, con- 

 nected by a narrow wing, entire or subsinuate. Texture papyraceous; 

 surfaces naked; veins forming 1 row of mostly long and narrow areolae 

 on each side close to the costulae and beyond these 2 large areolae to 

 each costular one; included free veinlets present. Sori solitary between 

 the larger areolae, nearly superficial, round, small. 



Neio Guinea. 



(194a) PI. alata, Wloore. 

 (194&) PI. flaccifia; ®. A. ». «. 



(195) PI. conimiitata, v. A. v. n. 



A form gathered in Borneo has the stipes winged in the upper part 

 only, and the sori placed in 1—2 series. 



(195o) PI. siboiiiensls, v. A. v. a.; Polypodium sibomense, Rst, 

 in Fed., Rep., X, 340; C. Chr., Ind. Fil., Suppl. 



Stipes slender, 20 cm. or more long, red-brown, naked, 2-marginate. 

 Fronds oblong, to 40 cm. long, 25 cm. broad, acuminate, deeply pinnatifid 



