ACROSTICHUM. 519 



7*. A. fcegeensCy Hook.; rhizome wooiSy, thick, short- cvcopin (>■ ; 5Crtfe9 dense, 

 large, lanceolate, bright-brown ; barren fr. oblanceolate, 4-12 in. 1., 9-15 lin. br., 

 blunt or subacute, narrowed very gradually into a st. 2-4 in. 1. ; texture rigidly 

 subcoriaceous ; both sides scattered over with minute stellate peltate scales in an 

 early stage only ; veins distinct, forked, close ; fertile fr. smaller, with a longer 

 stem. — Sp. Fit. 5. p. 109. Elaphoglossnm, Brack. Fil. Wilkes, p. 72. 



H.ib. Viti group, Brachcnridrje, Mihie ; Samoa, Poioell, 121, Veitch. 



9*. A. Barteri, Baker ; cmid. suberect ; scales lanceolate, minute, brown, 

 membranous ; barren fr, lanceolate, narrowed gradually to both ends, 4-9 in. 1., 

 9-14 lin. br., its st. stramineous, slightly scaly, 2-3 in. 1. ; texture rigidly sub- 

 coriaceous ; surfaces naked ; veins fine, close, obscure, forked, erecto-patent ; 

 fertile fr. smaller, with a longer stem. 



Hab. Upper Guinea, Brass, and Sierra Leone, Barter, 181o. 



9*. A. loncliopJiylhem, F6e ; caud. suberect ; scales lanceolate, minute, brown, 

 membranous ; barren fr. lanceolate, narrowed gradually from the middle to 

 both ends, 1 ft. 1., 1-1|- in. br., its St. stramineous, slightly scaly, 2-S in. 1.; 

 texture membranous ; surfaces naked ; veins fine, forked, close, immersed ; fertile 

 fr. smaller with a longer stem. — Fourn. Fil. Mex. p. 65. 



Hab. Mexico, Bourr/eaw, 2888. — Differs mainly from flaccidum by its stalked barren 

 frond. 



15*. A. Patini, Baker ; rhizome woody, wide-creeping, 3-4 lin. thick, densely 

 clothed with large brown lanceolate membranous scales ; barren fr. ligulate, 

 bluntish, narrowed gradually at the base, 8-12 in. L, ^-f in. br., the edges 

 thickened into a distinct thick raised border ; texture rigidly coriaceous ; surfaces 

 naked ; veins immersed, quite hidden, forked, moderately close and fine ; st. 

 brown-stramineous, 1-1^ in. 1. ; fertile fr. shorter, broader, narrowed more sud- 

 denly at base, its st. rather longer. 



Hab. Andes of New Granada, Patin^ Pearce. 



19. Metteniusand Kuhn in Linnsea, 36. p. 55 to 62, have described as species 

 the following forms, which are either varieties of latifolittm in our sense or very 

 near it ; viz., frmuni, attenuatum, Hoffmanni, polystichum, revolvens, cartilagineum, 

 compactiim, sporadolepis, Lessoni, macrophyllum, ccyrpidentwn, and grandfolium. 

 Here belong also A. ht/inenodiastrum, papi/raceum, and amplissimum of Fee, and 

 A. Vieillardii, Mett. Ann. Ser. 4 vol. p. 15. p. 55, from New Caledonia. 



21*. A. margitiale, Baker; rhizome woody, wide-creeping, 2-3 lin. thick; 

 scales dense, linear-subulate, bright-brown ; barren fr. oblong-lanceolate, \ ft. 1., 

 2 in. br., narrowed gradually to the point, suddenly at the base, bordered by a 

 dense fringe of minute spreading brown lanceolate scales ; its st. 3-4 in., thinly 

 clothed with scales like those of the rhizome ; texture rigidly subcoriaceous ; 

 surfaces naked ; veins distinct, subpatent, moderately close ; fertile fr. ligulate, 

 blunt, \-^ in. l)r., with a similar border, its St. reaching 1 ft., the upper side 

 clothed with adpressed deciduous scales. 



Hab. Andes of Ecuador, 11,000 ft.. Spruce, 5615. 



23*. A. Prestoni, Baker ; caud. thick, woody, short-creeping ; scales dense, 

 brown, lanceolate, membranous ; barren fr. lanceolate, 1-1^ ft. 1., 2 in. br., sub- 

 acute, narrowed suddenly at the base, bordered with a dense persistent fringe of 

 minute brown lanceolate membranous scales, its 5^. 6-9 in., clothed with dense 

 spreading linear-subulate brown-black scales ; texture moderately firm ; surfaces 

 jiakcd except the midrib beneath, which is densely clothed with firm brown-black 



