7 i% 78. ELAPHO&LOSSUH. 



§ 1. ACONIOPTERIS. (') 



o. Stipes tufted. (1) E. gorgoneum. 



a.a. Stipes not tufted. 



h. Rhizome scales blacMsh. (2) E. confonne. 



b.b. Bhizome scales not blacMsh. 

 c. Bhizome scales ydlovnsh. 



+ Bhizome scales proportionally broad, ovate. 



(3) E. angulatum, 

 ++ Bhizome scales proportionally narroto, lanceolate to linear. 



(7) E. laurifolium. 

 C.C. Bhizome scales browmish. 



d. Fronds bluntly rounded at the apex. 



% Veins rather hidden. (4a) E. decurrens. 



** Veins\rafher visible. (ib) E. luzonicum. 



d.d. Fronds not bluntly rounded at the apex. 



e. Fronds large or middle-sized, vein tips often dilated 

 but not thickened. 



f. Barren fronds short-stalked. (5) E Beccarium. 

 f.f. Barren fronds long-stalked. (6i E. callifolium. 

 e.e. Fronds rather small, or the vein tips thickened., so 

 as to form an devated intramarginal ridge on the 

 under side. 

 * Bhizome scales proportionally broad, ovate. 



^ (3) E. angulatum. 



•*^ 



§ •• BJiizome scales proportionally narrow, lanceolate 



S 



® to linear. (7) E. laurifolium. 



p< 

 n< 



united by a straight, submarginal veinlet. reriue ironos narrower, on stipes 

 ^ 15 C.M. or more long. 



Malaya ;- Polynesia. • 



• (2) E. conforme, Schott (not Moore), Christ, Farnkr. d. Erde, 

 35; Diels, in Engl. & Prantl, Nat. Pfl.Fam,, I», fig. 173; Bedd., Ferns 

 S.I., lah. CXCVIII; Acrostichum conforme, Sw., flk. Bk., Syn. Fil; 401; A. 

 marginatum. Wall., List., No. 17; Vittaria acroslichoides, Bk. 4" Grev., Ic. 

 FU., tab. CLXXXVI. 



See also E. hlrtum, C. Chr. 



