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712 78. ELAPHOGLOSSUM. 



§ 1. ACONIOPTERIS. Q 



a. Veins united by a submarginal veinlet. (1) E. gorgoneum. 



a. Veins united by a marginal, thickened, cartilagineous, decoloured or diapha- 

 nous line or strand. 



h. Rhizome scales blackish, jagged or fimbriate. (2) E. conforme. 



h.h. Rhizome scales yellowish. (3) E. angulatum. 



■ h.b.h. Rhizome scales brown. 



c. Fronds bluntly rounded at the apex. 



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



*.^. Veins rather visible. (46) E. luzonicum. 



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



d. Fronds naked or very sparingly scaly, the scales minute, or- 

 bicular. 

 e. Stipes short with regard to the fronds. 



(5) E. Beccarianum. 

 e.e. Stipes long with regard to the fronds. 



(6) E. callifolium. 

 d.d. Fronds minutely scaly, especially beneath, the scales lanceolate- 

 subulate or stellate- fimbriate. (7) E. laurifolium. 



(1) E. gorgoneum, JBracle., Expl. Exp., XVI, 74 ; Acrostichum gor- 

 goneum, Klf., Hk. Bk., Syn. Fil., 416; ? A. pellucido-marginatum, Christ, Fil. 

 Saras., Ill, 255. 



Rhizome short-creeping, firm, the scales brown. Stipes approximate, firm, 

 erect, 2'/2 — 5 c.M. long, passing gradually into the barren fronds, which are 

 15 — 40 c.M. long, 5 — 8 c.M. broad, the point acute, the lower ^/j narrowed 

 very gradually, the edge entire. Texture subcoriaceous ; surfaces naked; veins 

 united by a straight, submarginal veinlet. Fertile fronds narrower, on stipes 

 15 c.M. or more long. 



Malaya; Polynesia. 



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

 33; Diels, in Engl. & Prantl, Nat. Pfl.Fam., I*, fig. 175; Bedd., Ferns 

 S.I., tab. CXCVIII; Acrostichum conforme, Sw., Hk. Bk., Syn. Fil., 401; A. 

 marginatum, Wall., List., No. 17; Vittaria acrostichoides, Hk. ^ Grev., Ic. 

 Fil., tab. CLXXXVI. 



See also E. htrtnm, C. Chr. 



