﻿S5. ASPLENIUM. § 3. EU-ASPLENIUM. 437 



membranaceous: rachis green, slender, slightly scaly; surfaces naked; veins 

 nearly spreading, often forked at the base. Sori medial, linear; indusium 

 broad, membranaceous, naked. 

 Sumatra. 



* (35) A., longiissiimiiiu, bl, Rac, Flor. Btz., I, 212; Bedd., Ferns 

 Br.L, I, tab LXIII; Hk., Spec. Fil., Ill, tab. CXC; A. erectum, Bl. (not Bory), 

 Enum., 178; A. Belangeri, Bory, Bel, Voy. Bot., II, 47. 



Rhizome creeping, the scales lanceolate, long-acuminate, brown. Stipes 

 approximate, 5 — 30 c.M. long, erect, dark-colouied, clothed with ciliate scales. 

 Fronds 50 — 200 c.M. long, 4 — 15 c.M. broad, lanceolate-elongate, often proli- 

 ferous at the point, narrowed gradually towards the base. Pinnae numerous, 

 spreading, ^2 — ^Va ^.M. broad, acuminate or subacute, the edge + toothed, the 

 base subtruncate, auricled on one or both sides; higher pinnae not rarely unequal- 

 sided at the base. Texture herbaceous to subcoriaceous; rachis dark-coloured, 

 slightly chaffy; veins oblique, the lower however more spreading, forked. Sori 

 very oblique, reaching from the midrib to %-yva.y or quite to the margin. 



Malaya; North. India, Mauritius, Juan Fernandez. 



(36) A. monotiis, Christ, Schum. k Laut., Flor. deut. Sch.geb., 

 Suppl., 45. 



Rhizome slender, climbing, yellowish-greenish, naked or sparingly covered 

 with minute, subulate, blackish scales. Stipes distant, 2 — 8 c.M. long, greenish- 

 stramineous, slightly tinged with red like the rachis. Barren fronds to 12 

 c.M. long, elongate-lanceolate, long-acuminate, pinnate, narrowed gradually 

 towards the base Pinnae close, short-stalked, 17 — 25 on each side, broadly 

 cuneate-obloug, the upper base 2-partite with an ovate-cuneate lobe or auricle, 

 the edge crenate or 2-crenate; lower pinnae growing smaller, distant. Tex- 

 ture thinly herbaceous; surfaces naked; veins simple or forked, blackish. Fer- 

 tile fronds to 30 c.M. long, the pinnae larger, distant, deeply inciso-dentate, 

 the teeth acute, curved. Sori 1 to each vein, reaching nearly from the costa 

 to the margin; indusium persistent. 



New Guinea. 



* (37) A. borneenise, nk., Hk. Bk., Syn. Fil., 203; Hk., Spec. Fil., 

 HI, tab. CLXXXVI. 



Rhizome short, the scales lanceolate-subulate, brown. Stipes clustered, 

 2 — 10 c.M. long, greyish, slightly fibrillose. Fronds 25 — 90 c.M, long, V\^— 



