﻿188 17. NEPHROLEPIS. § ^. EUNEPHROLRPIS. 



h. Pinnae (at least the fertile ones) cuneale at the base (*). 



:^<. Fertile pinnae crenafe. (5) N. floccigera. 



itotc. Fertile pinnae more or less deephj and copiously lohed. 



(6) N. acumiiiala. 

 h.h. Pinnae cordate, truncate, suhlruncale or rounded at the base. 



c. Pinnae aiiriculale at the base on the lower side. (7) N. celebica. 

 c.c. Pinnae not auriculate at the base, or auriculate on the upper or 

 on both sides. 



d. Surfaces and especially the rachis densely clothed with fim- 

 briate, woolly or plushy scales. (8) N. hirsulula. 

 d.d. Surfaces and rachis naked or not copiously scaly. 



e. Fully developed fronds mostly under 8 c.M. broad. Pin- 

 nae blunt or bluntish. 



f. Fronds to + 20 c.M. long; pinnae + S m.M. 

 broad; indusium subpeltale. (9) N. Lauterbachii. 

 f.f. Fronds more than SO c.M. long; pinnae 5 — i5m.M. 

 broad; indusium reniform, tvith a distinct sinus. 

 g. Rhizome + erect, short, the roots often bearing 

 tubers. Fronds densely tufled; pinnae imbri- 

 cating with a cordate base. (10) N. cordifolia. 

 g.ff. Rhizome wide-scandent, bearing distant tufts of 

 few fronds; roots without tubers. Pinnae + 

 rounded or subtruncate at the base. 



(11) N. radicans. 

 Fidly developed fronds 8 c.M. broad or broader. Pinnae 

 acute or acuminate. 



§. Sori submarginal; pinnae to + J'/j c.M. long, dis- 

 tinctly auricled. 

 *. Indusium orbicular, the lobes overlapping. 



(12) N. barbata. 

 >K.;tc. Indusium reniform, with a distinct sinus. 



(13) N. exaltata. 

 $.§. Sori rather distant from the margin; pinnae mostly 



more than l^j^ c.M. long, not or slightly auricled. 



(14) N. biserrata. 



e.e. 



(*} See also under ]V. biiserrata, Schott. 



