﻿Go4 71. POLTPODIUM. § 6. PLEOPELTIS. b**. PLEURIDIUM. 



name); — var. mindanense, subirideum & subdrynariaceum ; P. mindanense, 

 subirideum <^ subdrynariaceum, Christ, Bull. Herb. Boiss., 2^ S6rie, VI, 994. 



Rhizome creeping, stout, the scales deltoid-oblong to ovate-lanceolate, blunt 

 or acute, ± dark-coloured. Stipes rather approximate, — 1 c.M. long. 

 Fronds linear-lanceolate, + 50 — 90 c.M. long, 2^2 — 672 c.M. broad, narrowed 

 gradually towards both ends, the edge entire, narrowly subrevolute, the apex 

 ± acute or acuminate, sometimes bluntish, the very base bluntish or slightly 

 rounded. Texture subcoriaceous, rather fleshy; surfaces naked; costa promi- 

 nent on both sides; main veins hidden in fresh material, not coloured, fine, 

 slightly prominent when dry, reaching + the edge ; areolae fine, copious, 

 with free veinlets. Sori small, very abundant, often nearly close, scattered 

 irregularly, occupying the upper % — ^3 of the frond. 



War. iniGiflanenise : Fronds considerably dilated at the base; tex- 

 ture papyraceous; veins prominent; areolae bidden; sori larger. 



\ar. sfubia*ideuiii: Fronds 20—50 c.M. long, 2^2 — 5 c.M. broad, 

 the apex often obtuse, the base often dilated; texture fleshy; sori near the 

 apex, larger. 



Var. subdrynariaceum: Like var. mindanense, but the venation 

 more conspicuous and the base of the fronds scariose ; sori very numerous, small. 



Trop. Asia 4" Australia, Polynesia, Trop. Africa, Mascarenes; — the varie- 

 ties in Luzon. 



* (189) P. Btiuslfoliusn, «!., Rac. Flor. Btz., I, 107; Bl., Flor. Jav., 

 II, 171, tab. LXXIX; P. Schwnannianum, Disk, Sebum. & Laut., Flor. deut. Sch. 

 geb., 159, tab. Ill, C — D; Pleopeltis musaefolia, Moore, Bedd., Ferns Br.I., II, 

 tab. CCCXVII. 



Rhizome woody, branched, creeping, firm, the scales ovate-lanceolate, rath- 

 er dark-brown. Fronds sessile, approximate or distant, 50 — 100 c.M. long, 

 772 — 20 c.M. broad, linear or ligulate, the apex bluntish or acute, the edge 

 entire, the base rounded or cordate. Texture thinly coriaceous, firm; surfa- 

 ces naked; costa and main veins distinct; main veins straight, rather dark- 

 coloured in fresh material, connected by transversal, arched veins; included 

 areolae copious, with free veinlets. Sori small, very abundant, sometimes 

 occupying the whole under surface. — P. Schumannianum, Diels from New 

 Guinea seems to be a local derivative of this species, with smaller fronds, 

 which are ovate-oblong, or panduriform with a narrowed part ± 1 — 1 Yj 

 c.M. broad, and with the base cordate, rounded or cuneate. 



Malaya. ^.„ 



