2S0 25. ASPIDIUM. § 2. SAGENIA. 



lowest ones stalked, cuiieately rounded at the base, decurrent upon the petiole, 

 unequally 2-pai'tite. Texture membranaceous ; surfaces naked ; venation as in 

 Drynai'ia; primai-y areolae in serveral rows on each side of the costae. Sori 

 in 2 rows between the main veins and approximate to them, 2 in each 

 primai-y areola; indusium with a short sinus. 

 Philippines. ^ ^i-^^'fu^^ • 



(35) A. iiiidiiiu, IHeU, in Sebum, k Laut., Flor. deul. Sch. geb., 

 116; Nephrodium nudum, Bk., Jom'u. of Bot., XVII, 41. 



Stipes ± 60 c.M. long, pale-brown, naked Fronds oblong-deltoid, 45 — 60 

 c.M. long, 15 — 50 c.M. broad. Terminal pinna lanceolate, 15 — 30 c.M. long, 

 2 — 2'/i c.M. broad, much acuminate, the edge entire, the base gradually 

 naiTowed; below this 9-^-11 distant, sessile, similar but smaller pinnae, the 

 lowest stalked, the 2 — 4 lower bi- or trifurcate from the base. Texture mem- 

 branaceous; rachis and surfaces naked; main veins erecto-patent, distinct to 

 the edge; areolae copious, small, irregulai", with free veinlets. Sori in regular 

 rows near the main veins; indusium naked, persistent. 



Borneo; Bismarck Islands. 



(56) A. inulticaiidatiini, iTaU., Bedd., Haqdb. Ind. Ferns, 

 222; Nephrodium multicaudalum, Clarke, Trans. Linn. Soc, Bot., a"* Series, I, 

 tab. LXXVII; Sagenia Grifjithii, Bedd., Ferns Br.I., II, tab. CCCXXXVII. 



Stipes 30 — 90 c.M. long, brownish, often densely clothed (nearly its 

 whole length) with linear-subulate, brown, persistent scales. Fronds 90 — 120 

 C.M. long, piimate. Terminal pinna lai'ge, deeply pinnatifld, the lobes lan- 

 ceolate-acuminate; bplow this several lateral pinnae on each side, the lowest 

 deltoid, + 30 c.M. or more long and nearly as broad, deeply pinnatilid 

 above and pinnate below. Texture firm, herbaceous; rachises rusty beneath; 

 main veins distinct to the edge; areolae with copious free veinlets. Sori 

 rather large, in 2 rows between the main veins or more numerous and scat- 

 tered, generally terminal on free veinlets; indusium reniform or peltate. 



Malacca; North. India, Burmah. 



(37) A. luelanoraehis, ■ C. Chf., Ind. Fil.; Nephrodium melano- 



rachis, Bk., Journ. of Bot., XXVI, 325. 



Stipes black, + 46 c.M. long, scaly on the lower half, but more densely 

 at the base, the scales linear, spreading, brown. Fronds oblong-deltoid, 2-pin- 

 natifid, 4B— 60 c.M. long, + 30 c.M. broad. Pinnae + 5 on each side, the 

 terminal one pinnatifid, the lowest much the largest, deltoid, produced on the 



