ACBOSTICHUif. 521 



31*. A. hcterolepis, Baker ; rhizome 1 lin. thick, wide-creeping, clothed with 

 large lanceolate ascending pale-brown scales ; barren ft: oblong-lanceolate, 2-3 

 in. 1., Jj-1 in. br., subacute, cuneate at base ; texture subcoriaceous ; surfaces pale- 

 green, the lower scattered over with black adpressed minute deltoid-cuspidate 

 scales, the edge not fringed ; its st. 1-2 in. 1., densely clothed with spreading 

 scales like those of the rhizome but broader ; veins subdistant, robust, ascending, 

 mostly forked, ceasing in a knob just within the edge ; fertile fr. unknown. 



Hab. Kio Janeiro, Glaziou, 4365. 



32*. A. dcndricolum, Baker ; caud. suberect ; scales dense, linear-subulate, mem- 

 branous, reddish-brown ; barren fr. lanceolate, 3-G in. 1., -f in. br., narrowed 

 gradually to both ends, with a distinct thickened border fringed with adpressed 

 minute pale-brown linear scales, its st. 2-3 in. 1., densely clothed with squarrose 

 scales like those of the base ; texture thick, subcoriaceous ; surfaces scattered 

 over with conspicuous adpressed deltoid aristate blackish scales ; veins immersed, 

 moderately close, arcuate, simple or forked ; fertile fr. rather smaller, with a st. 

 twice as long. 



Hab. Andes of New Granada, Jameson. 



33*. A. discolor, Kuhn ; rhizome woody, short-creeping ; scales dense, ferru- 

 ginous, lanceolate, 3-4 lin. 1., slightly ciliated ; barren jr. lanceolate, 3-6 in. 1., 

 12-21 lin. br., narrowed to both ends, decurrent in a narrow wing, its st. as long 

 as the blade ; texture rigidly subcoriaceous ; lower side scattered over with minute 

 ferruginous lanceolate-acuminate scales ; veins close, distinct, subpatent ; fertile 

 fr. ^-| in. br., with a longer stem. Linn. 36. p. 53. 



Hab. Amazon Valley, Spruce, 2245, 2309, 2869. 



38""". A. gratum, Fee ; rhizome woody, slender, short-creeping ; scales small, 

 lanceolate, nearly black ; sterile fr. lanceolate, 5-10 in. 1., under 1 in. br., nar- 

 rowed to both ends ; st. as long as the blade, stramineous, with a few minute 

 deciduous scales ; texture thin but rather firm ; edge and surfaces thinly clothed 

 with minute adpressed brown lanceolate scales, the _ largest -| lin. 1. ; veins fine, 

 close, forked, ending in a knob within the edge; fertile fr. smaller, with a longer 

 stem. Mem. 10. t. 30. fig. 2. 



Hab. Mexico, Bourgeau, 920, &c. 



38*. A. stelligerum, Wall ; rhizome woody, short-creeping ; scales dense, firm, 

 linear, brown-black; sterile fr. linear-ligulate, 6-9 in. 1., |-| in. br., narrowed 

 gradually from the middle to both ends, its st. subtufted, 1-4 in., brown, furfu- 

 i-aceous ; texture rigidly subcoriaceous ; veins distinct, subpatent, moderately close ; 

 both sides coated with bright ferruginous minute scales cut to the centre into 

 hairs ; fertile fr. narrower, with a longer stem. A. viscosum, Bcdd. Fil. S. Ind. 

 t. 196. 



Hab. Neilgherries, Wight, Beddome. 



38*. A. stigmatolepis, Fee ; rhizome stout, woody, short-creeping ; scales \ in., 

 linear, dense, brown; barren fr. lanceolate, 6-12 in. 1., |-1 in. br., acute, nar- 

 rowed very gradually at base into a grey nearly naked st. 1-3 in. 1. ; texture 

 rigidly subcoriaceous ; upper surface naked, lower thickly scattered over with 

 very minute black dots ; veins fine, close, forked, erecto-patent ; fertile fr. much 

 smaller, on a longer stem. Elaphoglossum, Bedd. F. IS. I. t. 199. 



Hab. Neilgherries. 



38*. A. IVchvitschii, Baker ; rhizome woody, short-creeping ; scales minute, 

 membranous, ferruginous, lanceolate, with long cilia ; barren fr. lanceolate, 6-8 



3 



