﻿55. ASPLEMUM. § 2. NEOTTOPTERIS. 443 



Stipes tufted, slender, 2^2 — S c.M. long, naked. Fronds simple, lanceolate, 

 IS — 20 c.M. long, 1 — 2 c.M. broad, entire, acuminate, narrowed at the base. 

 Texture subcoriaceous ; surfaces naked; veins erecto-patent, distant, simple or 

 forked. Sori linear, not reaching the margin; indusium membranaceous. 

 Natuna Islands. 



* (10) A. batuense, «. A. ». n.. Bull. D6p. Agr. I.N., i908, XVIIl, 13. 



Rhizome stout, woody, creeping, scaleless. Stipes short, distant, to 1 c.M. 

 long. Fronds lanceolate, 40 — 75 c.M. long, 4 — 10 c M. broad, the apex acute 

 or short-acuminate, often proliferous, the edge entire, the lower part narrowed 

 very gradually towards the blantish base. Texture papyraceous to coriaceous; 

 costa prominent and + quadrangular beneath, marginate there with 2 opposite, 

 very narrow wing-like crests in the angles; veins conspicuous, fine, erecto- 

 patent, simple or forked. Sori numerous, occupying nearly the whole frond 

 except the upper '/s ^^^^ the lower wing-like part, not reaching the midrib 

 and the edge, very irregular in length, separated by — 6 sterile veins or 

 veinlets; indusium narrow, subcoriaceous, at length distinctly recurved. 



Batti Islands (Raap, No. 674). 



(11) A. Scortechinii, Bedd., Journ. of Bot., XXV, 322. 



Stipes tufted, short, erect. Fronds linear-lanceolate, 60 — 75 c.M. long, 

 + 2^/2 c.M. broad, gradually narrowed below into the stipe, and to the apex 

 into a long, fine point, the margin entire or subentire. Texture coriaceous; 

 surfaces naked or the under surface slightly scaly. Sori patent, occupying 

 the lower ^/j of the veins. 



Malacca. 



(12) A. Maciierii, Bedd., Journ. of Bot., XXVI, 3. 



Rhizome short, erect, scaly, the scales dark-brown, with a paler margin, 

 lanceolate from a broad base, finely acuminate. Stipes 15 — 25 c.M. long, pale- 

 yellow, whitish at the base. Fronds 15 — 25 c.M. long, 2^2 — 3^2 c.M. broad, 

 gradually narrowed below, gradually and finely acuminate at the apex, the 

 margin crenate or serrate. Texture subcoriaceous; veins distinct, usually once 

 forked near the base, occasionally again forked towards the apex, not quite 

 reaching the margin. Sori occupying the lower ^3 of the veins ; indusium 

 broad, prominent. 



Penang. 



