594 71. POLTPODniM. § 1 EUPOLTPODinM. d. PINNATAB. 



8'. Stipes very short; frends to 2 

 C.M. broad. 



(87) P. barathrophyllum. 

 «'.»'. Stipes 5—8 c.M. long; fronds 

 2\—4 C.M. broad. 



(88a) P. blechnoides. 

 8'.8'.S'. Stipes to 40 c.M. long; fronds 

 more than 5 c.M. broad. 



(886) P. multicaadatum. 

 S.S:. Pinnae toothed. 



•{•. Son round, confluent. (89) P. sibarongae. 



f.-J". Sort oblong, distant. (90) P. solidiuu. 



3.3. Rachis hairy on i or both sides. 



p. Sori superficial or hardly immersed. 



•f. Fronds + iO — i5 c.M. long. Sori slightly 

 immersed. (91) P. subobliquatum. 



•{•.f. Fronds + 20 cm. or more long,^tate super- 

 ficial. (92) P. nutans. 

 p.p. Sori distinctly immersed. 

 q. Sori submarginal. 



X. Stipes winged. (93) P. Leysii. 



x.x. Stipes not winged. (94) P. stenobasis. 

 9.9. iSort not submarginal. 



f. Rims of the cavities elevated. 



(95) P. craterisorum. 

 r.r. Rims of the cavities not elevated. 



*. Pinnae subentire. (96) P. decorum. 

 «.«. Pinnae crenate or toothed. 



(97) P. Lobbianum. 

 a.t*. Most of the pinnae distinctly separate at the base. 



b'. Sori solitary on the pinnae. (98) P. clavifer. 



VM.Sori not solitary on the pinnae. 



&. Fronds rather small, under i5 c.M. long, under 1% c.M. broad. 



(99) P. Schefferi. 

 €f.e'. Fronds larger, more than 45 c.M. long, more than 4\ c.M. broad. 

 d'. Pinnae entire, crenate or undulate. 



tf. Pinnae entire, blunt. Stipes clothed with reddish hairs. 



(100a) P. Tenulosum. 



