17. NEPHROLEPIS. § 2. ETJKEPHROLEPIS. 161 



3 — 8 c.M. broad. Pinnae numerous, often imbricated, Va^lVa ^■^- broad, 

 the base cordate, or rounded on the lower side, more or less auricled on the 

 upper side, the edge entire or more or less crenated chiefly in the fertile 

 pinnae, theiapex ± narrowed, bluntish. Texture subcoriaceous;rachis yellowish, 

 glossy, slightly scaly; surfaces nearly naked, the upper one often with 

 a row of submarginal, cretaceous dots, the under one sometimes densely vil- 

 lose. Sori submedial, nearer the edge than the midrib ; indusium firm, reni- 

 form, persistent, often very oblique. 

 Pantropical, New Zealand, Japan. 



* (11) M. radicans, Kuhn, Ann. Mus. Bot., L. B., IV, 285; N. 



volubilis, J. Sm., Christ, Farnkr. d. Erde, 288; Clarke, Trans. Linn. Soc, 

 Bot, 2* Series., I, tab. hKXYlIl; Polypodium radicans, Burm., {oldest mme). 



Rhizome scandent, indefinite, naked, wiry, hearing distant tufts of + 

 2—5 fronds at the ends of short, scaly branches. Stipes ±10 c.M. long, 

 firm, naked or nearly so. Fronds 25—50 c.M. long, ± 3—6 c.M. broad; 

 rachis firm, scarcely chaffy. Pinnae ± 5—8 m.M. broad, very obtusely 

 rounded, nearly entire, the upper base slightly auricled, the lower rounded. 

 Texture coriaceous, surfaces naked or the costa minutely scaly above. Sori 

 near the margin; indusium reniform, with a deep sinus. 



Trop. Asia. 



(12) M. barbata, Copel., Polypod. Philipp., 48. 



Rhizome short, suberect. Stipes approximate, suberect, strong, 10—15 

 c.M. long, sparsely scaly at the base, the scales lanceolate, reddish-brown, 

 with a hyaline margin. Fronds linear, 50 c.M. or more long, ± 8 c.M. 

 broad, pinnate; rachis brown, glossy, clothed in the lower part with minute, 

 scattered, spreading scales. Sterile pinnae + 3^2 c.M. long, + '1 c.M. 

 broad, acute, entire, fertile ones + 5 c.M. long, + 7 m.M. broad, acuminate, 

 often serrate towards the apex, subfalcate; the lower base rounded, the 

 upper one acutely auricled; lower pinnae reduced, roundish. Texture sub- 

 coriaceous; surfaces naked. Sori submarginal; indusium orbicular, black, 

 with a brown margin, the lobes overlapping. 



Philippines, 



* (15) M. exaltata, Sehott, Rac, Flor. Btz., I, 200; Schott, Gen. 

 Fil, tab. Ill; Bcdd., Fomo S.Ij tab. XCIU ; — var. monstruosa, hort. 



Rhizome creeping, bearing distant, short branches with densely tufted 



PiLICES. ^^ 



