tS8 17. NEPHROLEPIS. § 2. EimEPHROLEPIS. 



h. Sort nt the tips of teeth or lobes. 



^. Fertile pinnae crenate. (.^T^- Hoccigera. 



>f:.>(c. Fertile pinnae more or less deeply and copiously lobed. 



(6) N. acuminata. 

 h.b. Sort not^ the tips of teeth or lobes. 



c. Pinnae auriculale at the base on the lower side. (1) N. celebka. 

 c.c. Pinnae not aurimlate at the base, or auriculale on the uppefbr 

 on both sides. 



d. Surfaces or especially the rachis' densely clothed with fim- 

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

 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 + 3 m.M. 

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

 f.f. Fronds more than 20 c.M. long; pinnae 5 — 15 m.M. 

 broad; indusium reniform, with a distinct sinus. 

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

 tubers. Fronds densely lufled; pinnae imbri- 

 cating with a cordate ba^e. (10) N. cordifolia. 

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

 few fronds; roots without tubers^' Pinnae + 

 rounded or subtruncafe at the base. 



(11) N. radicans. 

 e.e. Fully developed fronds 8 c.M. broad oi' broader. Pinnae 

 acute or acuminate. 



§. Sori submarginal; pinnae to + 7*lj c.M. long, dis- 

 tinctly auricled. 

 *. Indusium orbicular, the lobes overlapping. 



(12) N. barbata. 

 ;K.*. Indusium reniform, with a distinct sinus. 



(13) N. exaltata. 

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



more than 77j c.M. long, not or slightly auricled. 



(14) N. biserrata. 



