﻿71. POLYPODIUM. 571 



•i>. . Fronds stipitate. 



X. Fronds lobed or pinnatifid. 



§ 6, c^. Phymatodes. 

 X.X. Fronds pinnate. § 6, c*^. Phymatopsis. 



f.-J-. Fronds sessile. 



^. Sori not on much contracted fertile segments. 



§ 6, C'*'**^. Drynariopsls. 



jfofc. Sori restricted to the much contracted higher 



segments. § 6, c*^^*. Aglaomorpha. 



$ 1. EUPOLYPODIUM. a. Integrifoliae ('). 



a. Sori round, not oblong when young; receptacle round. 

 b. Fronds small, under 7^1^ c.M. long. 



V. Fronds roundish or oblong, nearly as broad as long, naked. 



(1) P. flabellivenium. 

 C.C. Fronds linear or linear-lanceolate, much longer than broad. 



d. Fronds naked or sparingly scaly. (2) P. oblanceolatum. 



a.d. Fronds hairy. (3) P. trichopodum. 



b.b. Fronds larger, more than 7^2 o.M. long. 



§. Sori in i regular row on each side of the cosia. 



)t;. Fronds under 20 c.M. long, naked. (4a) P. oleandroides. 



^.i^. Fronds longer, hairy. (46) P. ornatissimum. 



§.§. Sori in 4 or more irregular rows, or scattered irregularly. 



^. Fronds membranaceous, villose. (5) P. Friderici et Pauli. 



^.iiF -Fronds coriaceous, rather naked. (6) P. pleiosoroides. 



a,a. Sori oblong, at least when young; receptacle oblong. 

 1. Stipes and fronds naked (^). 



2. Fronds narrow, under 5 m.M. broad. 



•J". Fronds subterete, rush-like. (7) P. bisulcatum. 



•{•••J-. Fronds flattened, not rush-like. 



%. Fronds short, under iO c.M. long. Sori subimmersed. 



(8) P. Maxwellii. 

 5)c.:;|c. Fronds longer, more than iO c.M. long when fully de- 

 veloped. Sori deeply immersed. 



(') See also P. ludens, Bk. 



(') See also P. Hoordersli, Christ. 



