71a. PLEOPELTIS. § 1. EUPLEOPELTIS. 385 



scattered, ± 4 — 10 cm. long, naked. Fronds uniform, linear-lanceolate, 

 + 12 — 22 cm. long, 1 — I'/j cm. broad, the fertile ones not rarely the 

 largest, entire, narrowed gradually towards both ends, the base more or 

 less decurrent, the edge slightly cartilagineous and revolute. Texture 

 firm ; surfaces naked ; costa prominent l^eneath ; main veins fine, not 

 reaching the margin, areolae numerous, with few free veinlets. Sori large, 

 numerous, in 1 row on each side of the costa, medial, sohtary between 

 the main veins, slightly but distinctly immersed, at length contiguous, 

 the higher round, the central and lower oblong, parahel to the main veins, 

 horizontal or nearly so, or the lower round. 

 Java. 



(172ffl*«.) 1*1. batacoruui, ». A, v. it.; Polypodium batacorum, 

 Rsi.,-in Fed., Rep., XEI, 220. 



Rhizome wide-creeping, the scales whitish, somewhat brunnescent, 

 lanceolate from a peltate base, long-acuminate, somewhat spreading. Stipes 

 ± 2 — 3 cm. apart, 3 — 5 cm. long, naked. Fronds simple, lanceolate- 

 oblong, to 20 cm. long, entire, long-decurrent. Texture subcoriaceous ; 

 surfaces naked; costa prominent; main' veins distinct, reaching the margin; 

 areolae hidden. Sori oblong, in 1 row on each side, medial, suboblique, 

 deeply immersed, prominent above, with the mouth of the cavity encircled 

 by an elevated ridge. 



Sumatra. 



(172a*&) PI. papilligera, ». A. ». JS./ Polypodium pajnlligerum, 

 RsL, in Fed., Rep., XIII, 220. 



Rhizome creeping, the scales ochraceous, subadpressed, setiform from 

 a dilated base, entire. Stipes approximate, + 5 — 10 cm. long, naked, 

 those of the fertile fronds the longest. Fronds simple, lanceolate or linear- 

 lanceolate, to 13 — 16 cm. long by -/j —1% cm. broad, the fertile ones the 

 longest and narrowest, entire, narrowed towards the base. Texture sub- 

 coriaceo-chartaceous ; surfaces naked; costa prominent; venation subdistinct; 

 main veins subspreading, not reaching the margin. Sori in 1 row on 

 each side, medial, suboblong, deeply immersed, prominent above, with 

 the mouth of the cavity hardly elevated. 



Sumat7'a. 



(1725) PI. Walctoniana, r. A. v. n. 



Ferns and Feen Allies. 25 



