BALANSA'h FEENS of PARAGUAY. 301 



313, 313a. Poly podium [Phegopteris) connexum, Kaiilf. 



667. ,, elasticmn, Kich. 



386. ,, jjectinatum ., Linn. 



887. ,, cJmoopjhorum, Kunze. 



388 [178'''] . PoLYPODiUM PAEAGUAYENSE, Baker, n.sp. Eliizome 

 wide-creexDing. Scales small, lanceolate acuminate, bright brown, 

 confined to the rhizome and very base of the stipes. Stipes wiry, 

 brownish, naked, 2-3 in. long. Lamina oblong-lanceolate, simply 

 pinnate, 12-15 in. long, 5-6 in. broad at the middle, moderately 

 firm in textm-e, not elastic, green on both sides, obscurely 

 pubescent. Eachis slender, why, brownish, finely pubescent. ( 

 Pinn» 30-40-jugate, linear, spreading almost horizontally, the 

 largest 2|-3 in. long, |- in. broad, adnate by the whole dilated 

 base, contiguous except the 3-4 lowest pairs, which are a little 

 reduced, distinctly crenate, narrowed gradually from the middle to 

 an acute point. Veins distinct, 30-40-jugate, all except the upper- 

 most bearing 2-4 branches, the single sorus placed at the tip of 

 the lowest anterior branch midway between the midrib and edge 

 of the pinnae. Sori uniserial, round, medial. 



Forests at the base of the Cerro Pelado, near Villa Kica. Allied 

 to P. reciuratum, Kaulf., from which it may be known at a glance 

 by its distinct pinnate veins. 



313. Polypjodimn anyustum, Mett. 



345. ,, incanmn, Sw. 



345a. , , , , var. squalidum, Baker, in Fl. Bras. 



329. ,, lepidopteris, Kunze. 



348a. ,, vacciniifoUum, L. & F. 



347. ,, lycojjodioides, Linn. 



365. ,, Phyllitidis, Linn. 



324. Menisciian serratmn, Car. 



377. Vittaria lineata, Sw. 



330 [4"]. NoTocHLiENA Balans^, i^ftA'er, n. sp. Ehizome stout, 

 short-creeping, densely clothed with linear and at the growing 

 point with subulate bright brown scales. Stipes contiguous, why, ^ 

 brown, 1^3 in. long, matted with rusty brown tomentum, as is the 

 rachis and lower surface of the lamina. Frond lanceolate, regularly 

 bipinnate from the base nearly up to the tip, 6-8 in. long, l-lj in. 

 broad, firm in texture, green and nearly naked above, matted all 

 over with tomentum beneath. PinnaB subsessile, linear, ascending, 

 -|— f in. long, ^\ in. broad, cut down all through to the midiib 

 into spreading entire contiguous adnate linear-oblong obtuse 

 pinnules. Veins hidden. Sori continuous all round the entire 

 fiat edge of the pinnules. 



Escarped banks of the Eio Paraguay, at Assumption. General 

 habit of Cheilanthes micromera . 



351. Gymnoyramme lepjtophylla, Desv. 



327. ,, rufa, Desv. 



335, 337. ,, calomelanos, Kaulf. 



386. ,, trifoliata, Desv. 



333 [51"-] . GrYMNOGRAMME (Ceroi^teris) longipes, Jkiker, n.sp. ^ 

 Caudcx erect. Stipes tufted, bright castaneous, above a foot long, 



