﻿714 78. ELAPHOGLOSSUM. § 1. ACONIOPTERIS. 



(ib) E. luzoDieum, Copel., Leaf!., I, 235. 



Rhizome strong, densely scaly. Stipes approximate, slender, 16 — 30 c.M. 

 long, scaly, the scales different, the largest ones narrowly ovate. Barren 

 fronds obtuse, 20 — 25 c.M. long, 4 — 5 '/a c.M. broad, cuneate at the base, 

 the margin bounded by a cartilagineous strand and ciliate with an intramarginal 

 row of deciduous, subciliate scales. Texture subcoriaceous ; surfaces glabres- 

 cent; veins rather visible, at length conspicuous. Fertile fronds smaller, on 

 longer stipes. — Near E. decurrens, Moore. 



Luzon.' 



(5) E. Becca.i*ia^niiili, C. Cfer., Ind. Fil. ; Acrostichum Beccarianum, 

 Bk., Becc, Mai., Ill, 27; A. Norrisii, Ces. (not Hk.), Fel. di Bor., 31. 



Rhizome short-creeping, densely clothed with small, lanceolate, brown 

 scales. Barren fronds oblong-lanceolate, firm, naked, to 30 — 40 c.M. long, to 

 ± 4 c.M. broad, narrowed gradually into a short stipe, the edge entire, 

 thick; veins inconspicuous, erecto-patent, not closely placed. Fertile fronds 

 often much smaller, on stipes to ± 15 c.M. long. 



Borneo. 



* (6) E. callifolium, Moore, C. Chr., Ind. Fil. ; Acrostichum callae- 

 folium, BL, Rac, Flor. Btz., I, 47; Bl, Flor. Jav., II, 22, tab. IV. 



Rhizome thick, creeping, the scales narrow, lanceolate, brown, dense. 

 Stipes ± 15 — 30 c.M. long, firm, erect, naked or slightly scaly. Barren 

 fronds 10 — 80 c.M. long, 5 — 10 c.M. broad, fertile ones shorter and narrower 

 than the barren, elliptical-lanceolate, narrowed towards both ends or rounded 

 at the base, the edge with a narrow, decoloured line. Texture membranaceous 

 to coriaceous; surfaces naked or slightly scaly, the scales microscopical, 

 roundish; veins fine, indistinct, simple or forked. 



Java, Mindanao. 



* (7) E. laurifolium, Moot-e, C. Chr., Ind. Fil.; Bedd., Ferns S. 

 I., tab. CC; E. lali folium, Bedd., Handb. Ind. Ferns, 416; Acrostichum lau- 

 rifolium. Thenars, Flor. Trist. d'Ac, 31; A. commutatum. Melt., Ann. Mus. 

 Bot. L. B., IV, 292 ; A. conforme, Bl. (not Sw.), Flor. Jav., II, 23, tab. V. 



Rhizome creeping, woody, densely clothed with lanceolate, acuminate, 

 brown scales. Stipes erect, firm, subangular, S'/i — ^^2 ^-M- long, those of 

 the fertile fronds the longest, covered with scattered, small, deciduous scales, 

 and purveyed with an elevated, decurrent margin on each side. Sterile fronds 



