426 ■ 78. ELAPHOGLOSSUM. § 1. AOONIOPTERIS. 



+ 15 — 25 cm. long, those of the fertile fronds the longest, plurisulcate 

 above, sparingly scaly, the scales minute, adpressed, deciduous. Barren 

 fronds lanceolate or oblanceolate, + 15 — 30 cm. long, 4 — 8 cm. broad, 

 narrowed gradually towards the acuminate base and apex, the point 

 bluntish, the base decurrent, the edge entire, pale-cartilagineous. Testure 

 coriaceous or subcoriaceous ; surfaces provided with numerous scattered, 

 deciduous, minute, irregularly stellate, brown scales; veins fine, numerous, 

 distinct, subhorizontal to spreading, simple or forked. Fertile fronds much 

 smaller than the barren ones. 



Forma typica. — Sumatra. 



Var. niutatiiin: Stipes somewhat shorter ; barren fronds elongate- 

 lanceolate, S'/j — 4 '/a <5iii- broad, acuminate, the point acute, the base 

 more or less abruptly decurrent ; fertile fronds not much smaller than the 

 barren ones. — Celebes. 



(6c) E. laeterolegiinin, ». A. r. JK., in Bull. Btz., 1914, XVI, 13. 



Rhizome short-creeping, the scales castaneous, subfiliform-subulate, 

 deciduouslj' ciliolate. Stipes subapproximate, + 12 '/j — 25 cm. long, 

 deciduously scaly, subglabrescent, the scales peltate, irregularly stellato- 

 fimbriate or stellato-cihate, partly pale-brown partly black-brown. Fronds 

 linear-lanceolate, + 30 — 45 cm. long, + IV2' — '^U <^^- bi"oad, acuminate, 

 entire, pale-margined, recurved at the edge when dry, the base cuneate 

 or rotundate-cuneate, not decurrent. Texture more or less coriaceous; 

 surfaces deciduously scaly, finally glabrescent, the scales various, rather 

 long-fimbriate or ciliate, those of the margin ovate, pale-brown, of the 

 upper surface subrotund, decoloured, of the under surface irregularly 

 stellate, brown, of the costa roundish or oblong, the ventral decoloured , 

 the dorsal black-brown; veins fine, moderately distinct, numerous, sub- 

 horizontal to spreading, simple or forked. Fertile fronds 



Celebes. 



(7) E. laurifolium Moore, as construed in various handbooks, includes 

 2 different forms: E. laurifolium Moore and E. commutatum v. A. v. B. 



(7a) E. laurlfoliuBii, Moor-e, Bedd., Ferns S. I., tab. CC; E. 

 latifolium, Bedd., Handb. Ind. Ferns, ilQ ; Acrostichum laurifolium, Thouars, 

 Flor. Trist. d'Ac, 81. 



\smiasai 



