71. POLYPOblUM. § 1. EUPOLYPODltM. a. INTEGtUFOUAfe. S75 



3'.3'. Fully developed fronds + 5 — i5 c.M. long. 



•^. Sort scattered. (22) P. pilosiusculum. 



i-.-^. Son seriate. 



^. Son 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 etolhte clusters. 



(24) P. Koordersii. 

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



(25) P. parasiticum. 

 :)(..i(i. Sori rather distant. 

 +. Sori superficial^ 

 X. Stipes tufted. 



A. Fronds membranaceouSi hairy. n.<y€ 

 jL/iJ^^y\.c^c^eoxj^ . (26) P. hirtellum. 

 A- A. Fronds coriaceous, slightly furfura- 

 ceous on the midir^b^ty%ns.ciAuJ- 



(27) P. subevenosum. 

 X-x. Stipes seriate, approximate. 



(28) P. congenerum. 

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



9.9'. Fully developed fronds 5 — iO 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. 

 /3./3. Hairs of the fronds not in clusters, scattered, 

 y. Veins simple or once forked. 

 <?. Sori round. 



E. Texture thin, submembranaceous. 



(31) P. Reinwafdtii. 

 «.s. Texture firmer, subcoriaceous. 



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

 j(c.^. Sur/aces densely hairy. 



(33) P. moUipilum; 

 ^A Sm oblong. (34) P, HavilandiL 



