﻿71. POLYPODIOM. § 6. PLEOPELTIS. b**. PLEURIDIDM. 645 



2'/2 — 7 c.M, long, 2 — 4 c.M. broad, the base broadly cuneate or subtruncate, 

 the edge thickened, broadly and shallowly crenate. Texture rigidly coriaceous ; 

 surfaces naked;, main veins prominent beneath, distinct and straight nearly to 

 the edge, erecto-patent or the lower spreading; veins quite hidden. Fertile 

 fronds linear, 6 — 10 c.M. long, 3 — 5 m.M. broad, narrowed gradually towards 

 both ends; midrib very prominent beneath; edges recurved. Sori + conti- 

 guous, round or oblong, sometimes confluent, medial, in 1 row on each side 

 parallel to the costa, occupying the space between the midrib and edge. 

 Sumatra, Borneo, New Guinea. 



(168) P. Hellwigii, nietg, Schum. k Laut., Flor. deut. Sch.^ 

 140, tab. Ill, A— B. 



Rhizome wide-creeping, slender, the scales copious, large, whitish, lance- 

 olate, long-acuminate. Stipes 1 — 4 c.M. long, the fertile fronds on the longest 

 stipes. Fronds dimorphous. Barren fronds subobovate, l'/2 — ^72 c.M. long, 

 ± 1 ^4 — 1 V2 c.M. broad, the apex blunt, the base cuneate. Texture coria- 

 ceous; the margin entire, subrevolute; surfaces naked; costa prominent; main 

 veins erecto-patent, ± 4 on each side, prominent; areolae hidden. Fertile 

 fronds elongate, 4 — 5 c.M. long, + ^4 — 1 c.M. broad; main veins + 8 — 9 

 on each side. Sori medial, in 1 row on each side of the costa. 



New Guinea. 



* (169) P. rhynchophyllum, Bfc., Hk. Bk., Syn. Fil, 359; Hk., 

 Icon. PL, X, tab. CMLIV; Pleopeltis rhynchophylla, Moore, Bedd., Ferns Br.L, 

 I, tab. IX. 



Rhizome firm, wide-creeping, the scales copious, peltate, lanceolate, acumi- 

 nate, ferrugineous. Stipes 2'/2 — 10 c.M. long, the fertile fronds on the longest 

 stipes. Fronds dimorphous. Barren fronds ovate, 272 — 4 c.M. long. Texture 

 coriaceous; surfaces naked; main veins distinct to the edge; areolae copious, 

 fine, with free veinlets. Fertile fronds 7 — 15 c.M. long, 1 — 2 c.M. broad, 

 narrowed very gradually upwards, the base cuneate, the edge obscurely toothed 

 or rotundato-crenate. Sori 1 -serial on each side, confined to the upper 7* — 

 72 of the frond. 



Philippines; North. India. 



* (170) P. Orifflthianuui, Mk., Hk. Bk., Syn. Fil., 359; Hk., 

 Icon. PL, X, tab. CMLI; Pleopeltis Griffithiana, Moore, Bedd. Ferns. Br.L, II, 

 tab. CLVIII; — var. borneense, Christ, Ann. Biz., XX, 122. 



