8S. ASPLENIUM. § 3. EU-ASPLENIUM. 457 



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

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

 road, membranaceous, naked. 

 Sumatra. 



* (58) A., longissimuiu, ai., Rac, Flor. Btz., I, 212; Bedd., Ferns 

 lr.I.-, I, tab LXIII; Hk., Spec. Pil., Ill, tab. CXC; A. erectum-, Bl. (not Borij), 

 Inum., 178; A. Belangeri, Bory, B61., Voy. Bot., II, 47. 



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

 pproximale, 5 — 30 c.M. long, erect, dark-coloured, clothed with ciliate scales, 

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

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

 preading, '/a — 1 Vj c.M. broad, acuminatie or subacute, the edge + toothed, the 

 lase subtruncate, auricled on one or both sides; higher pinnae not rarely uiiequal- 

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

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

 ery oblique, reaching from the midrib to '/a'^^Y ^^ 1'^''^ '•° ^^^ margin. 



Malaya; North. India, Mauritius, Juan Fernandez. 



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

 luppl., 43. 



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

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

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

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

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

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

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

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

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

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

 the margin; indusium persistent. 



New Guinea. 



* (37) A. bornceDSe, au., Hk. Bk., Syn. Fil., 203; Hk., Spec. Fil., 

 II, tab. CLXXXVI. 



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

 1 — 10 c.M. long, greyish, slightly fibrillose. Fronds 25 — 90 c.M. long, V]^— 



