﻿1l. POLYPODIUM. § 1. EUPOLYPODIIJM. a. INTEGRIFOLIAE. 373 



3'.3'. Fully developed fronds + 5 — d5 c.M. long. 



"{►. Sori scattered. (22) P. pilosiusculum. 



•J-.f. Sori seriate. 



;|c. Sori ultimately confluent. 



+. Fronds very narrow, + 2 — 3 m.M. broad. 

 X- Fronds entire, the hairs scattered. 



(23) P. Christii. 

 x.X' Fronds distantly crenato-dentate, the hairs 

 often placed in stellate clusters. 



(24) P. Koordersii. 

 +.+. Fronds somewhat broader, 4 — 5 m.M. broad. 



(25) P. parasiticum. 

 ^tof;. Sori rather distant. 

 +. Sori superficial, 

 X. Stipes tufted. 



A. Fronds membranaceous, hairy. 



(26) P. hirtelluni. 

 A. A. Fronds coriaceous, slightly furfura- 

 ceous on the midrib. 



(27) P. subevenosum. 

 X'X. Stipes seriate, approximate. 



(28) P. congenerum. 

 +.+.Sori immersed. (29) P. caespitosum. 



2'.2'. Fully developed fronds 5 — 10 m.M. broad. 

 a. Fronds under i2^l^ c.M. long. 



p. Hairs of the fronds in stellate clusters. 



X. Upper surface hairy. (30a) P. Jagorianum. 



x.x. Upper surface naked. (306) P. pleurogrammoides. 

 jS.|3. Hairs of the fronds not in clusters, scattered, 

 y. Veins simple or once forked. 

 <?. Sori round. 



«. Texture thin, submembranaceous. 



(31) P. Reinwardtii. 

 i.K Texture firmer, subcoriaceous. 



^i Surfaces thinly hairy. (32) P. Hookeri. 

 ^.•^> Surfaces densely hairy. 



(33) P. moUipiluiHi 

 ^\J. Sori oblong. (34) P. Havilandiii 



