﻿452 S5. ASPLENIUM. § 3. EU-ASPLENIUM. 



20 c.M. long, to 2^2 c.M. broad. Pinnae numerous (+ 50 on each side), 

 sessile, the lower ones + obliquely flabellate, truncate at the base, nearly 

 twice as long as broad, the following subrhomboidal, to 12 ^2 Da.M. long, 

 to 5 m.M. broad, the upper base truncate and + auricled, the lower narrowly 

 cuneate, the upper and outer edge of all crenate or bluntly toothed. 

 Texture thinly herbaceous; rachis naked, becoming reddish towards the base; 

 both surfaces naked ; costae wavy ; veins simple, the lower ones on the anterior 

 side forked. Sori 1 — 5 — 5 to a pinna, oblong; indusium broad. — Lower 

 pinnae sterile. 



Java. * 



(22a) A. fjoberianum, Christ, Bull. Herb. Boiss., VI, 152. 



Rhizome short. Fronds 2 — 5, short-stalked, + 10 c.M. long. Pinnae 

 12 — 20 on each side, alternate, very distant, + 5 m.M. long, ovate, deeply 

 crenato-dentate, the teeth obtuse. Texture rather fleshy; rachis slender, 

 flexuose, decumbent, purplish or green at the base, clothed with linear 

 scales, proliferous at the apex; veins subflabellate. Sori oblong, oblique, at 

 length covering the whole under surface of the pinnae. 



Philippines. 



(226) A. Stantoni, Copeh, Philipp. Journ., I, Suppl., 151. 



Rhizome erect, short, scaly. Stipes tufted, ± 2 c.M. long, naked, fus- 

 cous, triangular, the angles acute, winged. Fronds ± 15 c.M. long, + 1 

 c.M. broad, pinnate, the rachis conspicuously 3-winged, not green. Pinnae 

 oblong, obtuse, deflexed, the lower ones flabelliform, somewhat remole. Texture 

 coriaceous; surfaces naked. Sori + 5 to a pinna, at length filling up the 

 whole under surface of the pinnae. 



Luzon. 



* (25a) A. tricliomianes, i., Hk. Bk., Syn. Fil., 196; Bedd., Ferns 

 S.I., tab. CXLVII; — var. densum; A. densum, Brack., Expl. Exp., XVI, 151, 

 tab. XX, fig. 3. 



Stipes densely tufted, 1 — 10 c.BI. long, naked, glossy, chestnut-brown, 

 polished. Fronds 15 — 50 c,M. long, ± 10 — 12 m.M. broad, linear-lanceolate, 

 with 15 — 50 opposite pairs of sessile, horizontal, ± orbicular or oblong pinnae, 

 the edges slightly crenate, the 2 sides ± unequal, the upper side the broadest, 

 the base rounded or broadly cuneate. Texture firm; veins pinnate, inconspi- 

 cuous; surfaces naked: rachis polished, blackish-brown, slender. Sori linear- 

 oblong, at length covering the whole under surface of the pinnae. 



