71. POtTPODIOM. § 6. PLEOPELTIS. b**, PLEURIDIUM. 645 



a'/j— -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 th6 costa, occupying the space between the midrib and edge. 

 Sumatra, Borneo, New Guinea. 



(168) P. Hellwigii, IHels, Schum. & Laut., Flor. deut. Sch.geb,, 

 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, I'/j — ^% c.M. long, 

 + 1 % — 1 Va 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—6 c.M. long, ± '/„ — 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- rfaynehophyllum, Hfc., Hk. bL, Syn. Fil., 359; Hk., 

 Icon. PL, X, tab. CMLIV; Pleopellis rhynchophylla, Moore, Bedd., Ferns Br.I., 

 I, tab. IX. 



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

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

 stipes. Fronds dimorphous. Barren fronds ovate, 2*/j — 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 '/^ — 

 '/j of the frond. 



Philippines; North. India. 



* (170) P. Orifflthianum, MU., Hk. Bk., Syn. Fil, 359; Hk., 

 Icon. PI., X, tab. CMLI; Pkopeltis Griffithiana, Moore, Bedd. Ferns. Br.I., II, 

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



