﻿55. ASPLENIUM. § 1. THAMNOPTERIS. 439 



ceous ; veins erecto-patent. Sori copioas, reaching from the midrib to a short 

 distance of the edge. 



Philippines; North. India. 



(5a) A. pachyphyllum, Hxe., .Bot. Zeit., d848, 146; A. nidus, 

 L., var. pachyphyllnm ? 



Stipes tufted, very short, nigro-paleaceous at the base. Fronds linear- 

 lanceolate, + 45 — 50 c.M. long, 4 — 5 c.M. broad, rather obtuse, much nar- 

 rowed towards the base, the margin thickened, reflexed, subrepand, obsoletely- 

 remotely veined. Texture coriaceous, firm, thick; surfaces glossy; veins 

 erecto-patent, often forked. Sori occupying the upper half of the frond 

 distant from each other as well as from the costa and the margin. 



Java, New Guinea. 



{oh) A. curtisoriiui, Christ, Ann. Btz., XIX, 59. 



Rhizome stout, rarely clothed with ovate scales. Fronds sessille or sub- 

 sessile, narrowed gradually towards the base, + 50 c.M. long and 9 c.M. 

 broad, shortly acuminate, the edge entire and cartilagineous, very prominent. 

 Texture coriaceous; surfaces glossy, glaucous-green, naked; costa stout, pro- 

 minent beneath; veins conspicuous, numerous, erecto-patent, forked at the base. 

 Sori at the base of the veins, + close to the costa, oblique, + lOm.M. long, 

 occupying the upper half of the frond and reaching to + 7 c.M. below the 

 apex, brown; indusium thin, whitish. 



Celebes. 



* (3c) A. nidas, A., Rac, Flor, Btz., I, 209; A. australasicum, Hk. 

 (not /. Sm.), Fil. Exot., tab. LXXXVIII; A. simplex, Melt, (not 5^.), Fai'ng., VI, 

 Aspl., 86; Thamnopteris Nidus, Pr., Bedd., Ferns Br.I., 11, tab. CXCVII; — var. 

 musifolium; A. musaefolium, Melt, I.e. 86; — var. ])licdit\im; A. pUcaf urn, Zipp. 



Rhizome short. Fronds 40 — 120 c.M. long, 5 — 30 c.M. broad, lanceolate, 

 sessile or tapering gradually into a short stipe, the apex acute or short-acu- 

 minate, the edge entire. Texture ± coriaceous; costa rounded or keeled on 

 the back; veins fine, ^/^ — 2 m.M. apart. Sori reaching nearly or quite from, 

 the costa to '/g — ^/j on the way towards the margin. — A. phylhlidis, Doti 

 is the shortest and narrowest form, under 60 c.M. long, under 7 '/2 c.M. broad. 



Var. luusifoliufii : Fronds la.rger, to ^'/i M. long, to 35 c.M. 

 broad, with the sori extending nearly to the edge. 



