﻿574 71. POLYPODIUM. § 1. EUPOLYPODIUM. a. integrifoliaE. 



7.7. Vems pinnate or 2 ^ forked. 



+. Stipes very short. (35) P. knutsfordianum. 



+.+. Stipes distinct, to 8 c.M. long or longer. 



(36) P. intromissum. 

 a-.c^.. Fully developed fronds more than 42% c.M. long. 



P'. Stipes scabrous; fronds nearly naked. (57a) P. scabristipes. 

 P'.^'. Stipes hairy; fronds naked. (376) P. dolichosorum. 



P'.p.'^'. Stipes hairy: fronds hairy, at least on the costa. 

 7'. Sori in i regular row on each side of the costa. 

 ^'. Margin ciliate. (38) P. setosum. 



(?'.(?'. Margin not ciliate. (39) P. pubinerve. 



7'.7'. Sori in i — 2 irregular rows on each side of the 

 costa (*). (40) P. diplosorum. 



2'.2.2'. Fully developed fronds more than iO m.M. broad. 

 p. Sori in i row on each side of the costa. 

 q. Veins simple or once forked. 



f. Fronds entire or slightly repand. 

 s. Fronds + sessile or subsessile. 



(41) P. padangense. 



*.*. Fronds distinctly stalked. (42) P. obscurum. 



r.v. Fronds sinuate. (43) P. Warburgii. 



q.q. Veins pinnate or 2—3 X forked. (44) P. setigerum. 



p.p. Sori in 2 — 3 rows on each side of the costa. 



(45) P. sumatranum. 



(1) P. flabelliveaiium, JBfe., Hk. Bk., Syn. Fil., 322; Christ, 

 Farnkr. d. Erde, fig. 207; Ces , Pel. di Bor., tab. Ill, fig 7— 7a. 



Rhizome wiry, slender, creeping, the scales thin, brown, lanceolate. Stipes 

 2^2 — 5 c.M. long, filiform, naked, black, glossy. Fronds roundish or broadly 

 oblong, '/2 — 1 V2 c.M. long and nearly as broad, the point subacute, the edge 

 thick, cartilagineous, deeply and sharply toothed, or with shallow, rounded 

 lobes or sometimes subentire, the base slightly cordate, broadly rounded or ± 

 cuneate. Texture coriaceous; surfaces naked; veins subflabellate, once or more 

 times forked, the ultimate forks sometimes uniting before they reach the bor- 

 der. Sori 1 — 6 to a frond, all in the upper half, not far from the margin. 



Borneo. 



(*) See also P. setosum, Pr. 



