﻿656 71. POLYPODIUM, § 6. PLEOPELTIS. b**, PLEURIDITJM. 



veins, with included free veinlets; upper surface covered with numerous, 

 scattered, cretaceous dots. Sori unknown. 

 New Guinea. 



$ 6. PLEOPELTIS. c. Clirysoplerisi. "". Phymatodes. 



a. Sori superficial. 



h. Sori in i — 4 rows on each side of the costulae. 

 c. Texture herbaceous to papyraceous. 

 d. Lobes entire or repand. 



e. Fronds rather small, under 25 c.M. long. 

 f. Lateral segments in + 2 — 4 pairs. 



(192) P. paucijugmn. 

 f.f. Lateral segments in + 8 — 9 pairs. 



(193) P. sundense. 

 e.e. Fully developed fronds more than 25 c.M. long. 

 •J". Rhizome + naked. 



X. Stipes not winged. (194a) P. alatum. 



x.x. Stipes winged. (1946) P. flaccidum. 



'^.i'. Rhizome scaly. Stipes winged. (195) P. commutatum. 



d>d. Lobes serrulate or toothed. (196) P. ebenipes. 



c.c. Texture chartaceous to coriaceous. 



$. Under surface bluish-glaucous. (197) P. glaucum. 



$.$. Under surface green, not glaucous. 



•J*. Sori nearer the costulae than the margin. (*) 



(198) P. hastatum. 

 •J-.^. Lower sori medial, the higher ones nearer the mar- 

 gin than the costulae. (199) P. quinquefidum. 

 hJt. Sori scattered irregularly. (*) 



1. Fronds dimorphous. (200) P. anomalum. 



±t±. Fronds uniform. 



3. Lower segments much reduced. (201) P. grandidentatum. 

 2.2. Lower segments hardly, if at all, reduced. 



3. Stipes + short-winged. Fronds typically 3-fid, but so' 

 metimes simple or 5- fid. (') (202a) P. pleropus. 



(') See also P. rostratum, Hk. 



{^) See also P. monstrosani) Copel, 



{') See also P» rlvulare. Copel, 



