55. ASPLENIUM. § 1. THAMNOPTEBIS. 439 



ceous ; veins erec to-patent. Sori copious, reaching from tiie midrib to a short 

 distance of the edge. 



Philippines; North. India. 



(5a) A. pachyphylluiu, Use., Bot. Zeit., 4848, 146; A. nidus, 

 L., var. pachyphyllum ? 



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 nai-- 

 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. 



(56) A. curtijsoruin, Chriat, Ann. Btz., XIX, 39. ^ 



Rhizome stout, rarely clothed with ovate scales. Fronds I sessile 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, ±10 m.M. long, 

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

 apex, brown ; indusium thin, whitish. 



Celebes. 



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

 (not /. Sm), Fil. Exot., tab. LXXXVIII; A. simplex. Melt, (not fi/.), Parng., VI, 

 AspL, 86 ; Tharmopteris Nidus, Pr., Bedd., Ferns Br.I., II, tab. CXCVII ; — var. 

 musifolium; A. musaefolium, Mett, I.e. 86; — var. ^Mzdlxan; A.plicatum,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 '/s — '/a on the way towards the margin. — A. phylhtidis, Don 

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



Var. musifolium: Fronds largery to ^% M. long, to 56 c,M. 

 broad, vvith the sori extending nearly to the edge> 



