246 25. ASPiDiuu. § 2. sagenia. 



* (24) A. nehlilosiiui, C. €Jhr., Ind. Fil. ; Nephrodittm nebulosum, 

 Bh., Jourii. of Bot., XVIII, 213. See Supplement 1, Appendix. 



Stipes tufted, castaueous, ± 45 c.M. long, with only a few,*Bjalij brown, 

 lanceolate scales a^. the base. Fronds deltoid, 30 — 40 c.JI. long, rather less 



broad^\wth . a, See^p^pmnatifld, large terminal pinna with short, obtuse upper 

 lobes and "Wge/Tanceolate lower ones; below this't2 — 4 lanceolate, free 

 pinnae, the lowest ones unequal-sided and forced at the base on the lower 

 side. Texture moderately firm; both surfaces naked; main veins distinct to 

 the edge, slender, erecto-patent, with very copious areolae between them, 

 with free veinlets. Sori very abundant, minute; indusium minute, very 

 fugacious. 

 Sumatra. 



* (25) PL. subtriphylliiiii, Hfe., Christ, Farnkr. d. Erde, 227; 

 Nephrodium subtriphyllum, Bk., Hk. Bk., Syn. Fil., 296 ; Sagenia sublriphylla, 

 Bedd., Ferns Br.L, I, tab. XLVIII; Ferns S.I., tab. CCXLII ; Tectaria subtnphylla, 

 Copel., Philipp. Journ., II, 410. 



Rhizome creeping. Stipes 30 c.M. long or longer, subslramineous or 

 brownish. Fronds 30 — 90 c.M. long and 20 — 75 c.M. broad, rarely smaller, 

 subdeltoid, with a large, often deeply pinnatifid apex with entire or broadly 

 toothed, lanceolate lobes ; below this 1 — 2 pinnae on each side, the lowest 

 stalked, distant, forked at the base or pinnatifid, the apex lanceolate. Texture 

 f— <i*^ herbaceous to /eBsicoriaceous ; surfaces somewhat hairy beneath and on the 

 main veins above; main veins distinct to the edge; areolae fine, wilh copious 

 free veinlets. Sori often moderately large, confined to the united veins. 



Malaya; Polynesia, Chifia, Btirmah, Ceylon. 



(26j A — hetcrodon, Copoh, Polypod. Philipp., 56; A. Copolaiidii 



C. Chr., Ind. Fil.; Tectaria decurrens, Copel., Philipp. Journ., 11, il2„>pf^ 



Rhizome erect, woody. Stipes 15^20 c.M. long, u^fcetlm- nearly so, 

 winged, the wing + 5 m.M. broad on each side, ngj^tTvved gradually towards 

 the base. Fronds 20 — 30 c.M. long, 3 — S^g&rtiteT Terminal (or central) seg- 

 p^ ment oblanceolate, 4 — ^ c.M. broadj^jiettminate, irregularly serrate or toothed, 



:=i the teeth — 1 c.M. longj_J«tSral segments smaller, erecto-patent, obscurely 



o serrate. Texture hejjMHJmis; surfaces naked; main veins reaching the margin ; 



'^ areolae irregylafTwith free veinlets. Sori large, in rows near the main veins; 



iudu§itHfipersistent 

 P h ilippines , 





o 



