71. POLYPODIUM. § 6. PLEOPELTIS. b*l LEPISORUS. 633 



longer stipes (10—15 c.M. long), the lamina 10—15 c.M. long, reduced to a 

 mere midrib, from which the large, round or oblong sori bulge out at inter- 

 vals on each side. 

 Sumatra. 



*■ (141) P. H^rayi, JBfc., Journ. of Bot., XXV, 206. 



Rhizome slender, wide-creeping, the scales dense, lanceolate, acuminate, 

 membranaceous, ferrugineous, ciliate. Stipes of barren fronds ± I'/i — 4 

 c.M. long. Barren fronds oblanceolate, 2'/j— 5 c.M. long, 6 — 9 m.M. broad, 

 obtuse. Texture thick, coriaceous; surfaces naked like the stipe; veins reticu- 

 late, immersed, obscure. Fertile fronds + 5 — 13 c.M. long, 3 — 5 m.M. broad, 

 linear, obtuse, with a longer stipe. Sori round, superficial, in 1 row on each 

 side of the midrib; receptacle round or oblong. 



Malacca, Sumatra. 



* (142) P- Becearii, «. A. ». n.. Bull. D6p. Agr. I. N., 1908, 

 XVIII, 22. 



Rhizome creeping, firm, the scales lanceolate-oblong, with the apex acute 

 and the base rounded or acute. Stipes scattered, 1 — -^ c.M. long, erect, naked. 

 Sterile fronds + 6 — 10 c.M. long, 7—^ m.M. broad, linear-lanceolate, narrow- 

 ed gradually towards both ends, the apex more or less blunt, the edge in- 

 distinctly crenate. Texture coriaceous; surfaces Jiaked; costa prominent beneath; 

 no main veins; areolae hidden, in 4- 1 — "i, rows on each side, with free 

 veinlets. Fertile fronds on the longest stalks, linear-lanceolate, 12— J^ c.M. 

 long, 5 — ra^m.M- broad, narrowed gradually towards both ends. Sori in 1- 

 rowjon each side, medial or nearer the midrib than the edge, distant, super- 

 ficial, occupying the upper '/s — ^/s of the frond; receptacle + oblong. — 

 Baker determined this plant as P. congener, Hk. (Journ. of Bot., XVIII, 215), 

 from which it differs by the quite naked fronds and the anastomosing veins. 



Sumatra (Beccari, No. 442). 



• (143a) P accedens, si., Rac, Flor. Btz., I, 103; Pleopeltis acce- 

 dens, Moore, Bedd,, Ferns Br.I., II, tab. CCXV. 



Rhizome slender, wide-creeping, sparingly clothed with narrow, lanceolate, 

 ciliate scales. Stipes none or to 1 c.M. long, I'/j— 3 c.M. apart. Fronds di- 

 morphous. Barren fronds oblong to lanceolate, 2 '/j — 8 c M. long, 1 '/^ — 3 c.M. 

 broad, the apex bluntish, the base cuneate or rounded, the edge entire, not 

 thickened. Texture coriaceous; surfaces naked or sparingly covered with 

 scattered, deciduous, stellate scales; no main veins; veins hidden; areolae 



