71. POLTPODIUM. § 2. PROSAPTIA. 617 



c.M. broad, acute, the costal wing 2—3 m.M. broad, the base sinuate. Lobes 

 triangular-lanceolate, subacute, ± B m.M. broad, obtusely serrate. Sori ± 

 9 on the largest lobes, marginal. 

 Luzon. 



$ 3. GONIOPHLEBIUM. c. Marginaria. 



(113) P. Prainii, C. Chr., Ind. Pil.; Goniophlebium Prainii, Bedd., 

 Journ. of Bot., XXXI, 226. 



Rhizome stout, densely clothed with long, finely acuminate, brown scales, 

 which are very iridescent in the broader part near the peltate base. Stipes 

 4B — 60 c.M. long, 'firm, erect, naked. Fronds deltoid-lanceolate, ± 30 c.M- 

 long, + 25 c.M. broad, pinnate. Pinnae numerous, + 2 c.M. broad, narrow- 

 lanceolate from a broad base, separate, the margin slightly crenate especially 

 towards the apex. Texture somewhat papyraceous; surfaces naked except 

 some minute scales and a few hairs on the rachis below ; veins prominent on 

 both sides ; areolae in 2 series. Sori in 1 — 2 rows on each side of the costae. 



Malacca. 



$ 3. GONIOPLEBIUM. d. Schellolepis. 



*. Pinnae acutely cuneate or gradually narrowed at the base. 



$. Sori in 2 — 3 rows on each side of the costae. (114) P. Korthalsii. 



$.$. Sori in i row on each side of the costae. 



X. Pinnae subentire. (llBo) P. integrius. 



A.x. Pinnae crenate, serrate or toothed. (11B&) P. persicifolium. 



1.1. P innae b roadly a nd abru ptly _cmeate at the base. 



■knhvsfs velhmiJbrowM^^ ~^ 



1.1.1. Pinnae cordate, broadly rounded, truncate or iho higher adnate at the base (*). 

 3. Surfaces more or less densely hirsute, hairy or tomentose. 



a. Veins forming i row of areolae on each side of the costae. 



b. Sori scarcely immersed. (1 I7a) P. moUiculum. 



b.b. Sori distinctly immersed. (H'^) P- pallens. 



a.a. Veins forming 2 — 3 rows of areolae on each side of the costae. 



(118) P. Beddomei. 

 S.3. Surfaces naked, cry a£c^ ^e^ ce^^^r" 



(*) See also P. vermcosum, ^all. 



