﻿8^2 71. POLYPODIUM. § 1. EUPOLYPODIUM. d. PINNATAE. 



d. Stipes naked. 



e. Stipes under i\ c.M. long; fronds erect. 



f. Costae forked. (60) P. cornigerum. 



f.f. Costae pinnate. (61) P. inconspicuum. 



e.e. Stipes longer; fronds pendulous. (62) P. undosura. 



d.d. Stipes hairy. (63) P. minutum. 



C.C.C. Pinnae sharply toothed. (64a) P. serrato-dentatum. 



c.c.cc. Pinnae bluntly toothed. (646) P. Merritti. 



h.h. Fully developed fronds more than i2\ m.M. broad {*). 



1. Texture herbaceous or papyraceous; fronds often pendulous. 

 •J". Surfaces hairy. 



;jc. Pinnae entire or slightly crenate to repand. 

 X. Pinnae very narrow, + i m.M. broad. 



(65) P. subrepandulum. 

 X.x. Pinnnae broader, + 2 m.M. broad. 



+. Fronds short, to ± 6 c.M. long. Sori distant. 



(66) P. subminutum 

 +.+. Fronds longer, 6 — dO c.M. long, sori copious, 

 close. (67) P. lancifolium. 



>{c.4c. Pinnae toothed or lobed on i or both sides. 



A. Pinnae incised on the upper side only, the apex en- 

 tire or slightly toothed. (68) P. subsecundo-dissectum. 

 A. ^. Pinnae incised on both sides. (69) P. subfalcatum. 

 '^.^. Surfaces + naked or glabrescent, but the rachis often hairy. 

 <>. Sori superficial or slightly immersed. 



4-. Rachis naked. (70a) P. repandulum. 



■+.+. Rachis hairy. (706) P. erythrotrichum. 



0»0« Sori deeply immersed. 

 +. Sori round. 



X. Pinnae narrow, + i — 2 m.M. broad. 



(71) P. brevifrons. 

 x.x. Pinnae broader, + 4 — 8 m.M. broad. 



(72) P. papillosum. 

 +.+.Sori oblong. (73) P. obliquatum. 



(74) P. Schenkii. 



{*) See also P. inconispicauiu, Bl. 



