71. POLYPODIUM. § 1.' EUPOLYPODniM. C' PIRNATIFIDAE. 5^1 



the basal part of the costa bordered only by a moderate-long, entire wing + 

 4 — 8 m.M. broad at the top and narrowed gradually to the base. Texture 

 subcoriaceous; under su rface + pubescent on the costa, the rest glabrous; 

 veins distant, simple, erecto-patent, reaching nearly to the edge. Sori semi- 

 globose, slightly immersed, commonly in a single row in the wing of the 

 costa, not or hardly prominent on the upper snrface. 

 Borneo, New Guinea. 



(S4) P- ludens, nu., Ann. of Bot., VIII, 129. 



Rhizome short-creeping, the scales dense, broad-lanceolate, pale-brown. 

 Stipes + 5 — 7'/j C.M. long, clothed with subulate, recurved, brown scales. 

 Fronds lanceolate, 15 — 20 c.M. long, 2 — 3 c.M. broad, the base narrowed, 

 the margin entire or cut nearly '/a'^^Y down to the costa into irregular lobes. 

 Surfaces naked; veins forked, erecto-patent, immersed, obscure. Sori oblong, 

 superficial, oblique, in 1 row on each side near the costa. 



Java. 



$ 1. EUPOLYPODIUM. d. Pinnatae. 



a. Pinnae contigttous, dilated and often confluent at the base; lower pinnae so- 

 metimes distant. 

 b. Fronds narrow, to ± /j2'/j m.M. brqad. 



c. Pinnae entire, the sori solitary on the pinnae. 

 §. Sori terminal on the pinnae. ; 



^. Sori superficial. (5S) P. streptophyllum. 



;|<.;|c.Sori rather deeply immersed. ^ 



X. Sori quite terminal on the pinnae. 



(B6) P. triangulare. 

 X.X.Sori occupying the upper half of the pinnae. 



(57) P. subtriangulare. 

 $.§. Sori at the base of the pinnae. 



^ -¥. Fronds small, under 5 c.M. long, under 5 m.M. broad. 



(58) P. musgravianum. 

 +,+. Fronds larger, +'77j— 15 c.M. long, | 5-10 m.M. 



broad. (59) P. conjunctisorum. 



C.C. At least the largest pinnae + crenate or repand, or the sori not 

 solitary on the pinnae. 



