﻿446 55. ASPLENIUM. § 2. NEOTTOPTERIS. 



slightly prominent beneath, simple or forked. Sori linear, occupying the lower 

 Va — ^3 of the veins, often separated by 1 — 2 sterile veins; indusium thin, 

 entire, pale. — Fronds of the young plants sessile, the lower part gradually 

 narrowed, the base bluntish, the higher part deeply pinnatifid. — The ripe 

 spores are copiously echinate, and the fronds cultivated in the Builenzorg 

 gardens have the- indusia like those of A. scolopendrioides, J. 5m(. — Both spe- 

 cies are probably identical. 

 Borneo. 



(19) A. coinosum, Christ, Sebum. & Laut., Flor. deut. Sch. geb., 127. 



Rhizome creeping, clothed like the stipes with lanceolate, acuraiiiale, black- 

 brown scales. Fronds approximate, numerous, erect, 40 — 50 c.M. long, linear- 

 lanceolate, long-acuminate, caudate, undulato-crenate in the upper, entire in the 

 lower part, decurrent. Texture coriaceous, lucid; surfaces naked; costa broad, 

 depressed; veins conspicuous, dense, erecto-patent, simple or forked. Sori 

 numerous, ± 100 on each side, reaching from the costa to the margin, oc- 

 cupying the whole frond; indusium narrow. 



New Guinea. 



a. 



% 5. EU-ASPLENIUM. 



Fronds simply pinnate; pinnae entire or incised, hut not deeply pinnatifid. 

 b. Pinnae short, roundish or oblong, blunt, rarely acute, not more than 2 

 c.M. long (1). 



±. Rachis green, at least in the upper half. 

 2. Rachis naked. 



3. Pinnae in + 6 pairs, i'/a — ^ '^•^- ^^''^9- 



(20) A. subnormale. 

 3.3. Pinnae in + 30 pairs, to i^j^ c.M. long. 



(21) A. minus. 

 2.2. Rachis hairy or scaly. (22a) A. Loherianum. 



±.±. Rachis dark-coloured throughout, not green. 

 §. Fronds under 2 c.M. broad (^). 



f. Stipe and rachis 3-winged. (226) A. Stantoni. 



•J-.-J-. Stipe and rachis not 3-winged. 



(') See also A. heterocarpuin, Wall., unilaterale, Lam. & filipcs, Copel. 

 (*) See also A. normale, Don. 



