472 ADIANTUM. 



XXI.— ADIANTUM. Page 113— 12G. 



8". A. Mettenii, Kuhn, Fil. Afr. p. 65 (A. pteropus, R. Bv.), is the Tropical 

 African form, witli a wing to the racliis and petioles, mentioned under 

 A. caudatiim. 



3"'. k. pumilum, Sw. ; st. 1-li in. 1., tufted, naked, castaneous ;/r. lanceolate, 

 lJ-2 in. 1., simply pinnate below a pinnatifid apex; /w««c« 4-5-jugate, ujtper 

 rhomboid, sessile, lower roundish, 2-2| lin. bi'., subpetiolate. — Mart, Ic. Cri/pt. 

 t. HG.fig. 4. Hk. Sp. 2. p. 15. 



Hab, Jamaica, Sivartz, 



C". A grossum, Mett. ; st. \-l ft. 1., naked, ebeneous, like rachis ; fr. lanceo- 

 late, 12-18 in. 1., 3-4 in. br., simply pinnate; upper pinnce nearly square, sub- 

 sessile, 1 in. 1., lower border parallel with upper, inner parallel with rachis, 

 outer and upper faintly lobed ; lower pinnae longer, witli lower side more pro- 

 duced, and inner imbricated over rachis, their stalks j-| in. 1. ; texture subcoria- 

 ceous ; veining flabellate, fine, close ; sori straight, many, ^-\ in. 1. — Fit. Nov, 

 Gran. p. 114. 



Hab. Andes of New Granada, Lindig, 373. 



5. A. Edgeworthii, Hk. Sp. 2. p. 14, t. 81 B, from Himalayas and China, differs by 

 more memlu'anous texture, glabrous surfaces, and subentire pinnse. A. Bchwein- 

 fiirthii, Kuhn, Bot. Zeit. 1870, p. 90, is a similar plant from Upper Nile-land. 

 A. rhizophytum, Schrad., from Brazil, is a nearly glabrous variety, with deeply- 

 cut pinnoe. 



15*. A. monosoriim, Baker ; st. and rachises very slender, naked, castaneo- 

 ebeneous ; fr. deltoid, | ft. 1. and br. ; pi7ince 3-jugate, ligulate, short-stalked, 

 4-5 in. ]., f-| in. br., lowest forked at base ; segm. close, short-stalked, 15-20- 

 juoate, rhomboidal, erecto-patent, 2-2^ lin. br., lower border straight, inner 

 parallel, with rachis close to it, outer round, like straight upper finely toothed ; 

 texture chartaceous ; surfaces naked ; sori large, round, solitary in the centre of 

 the upper edge of the segments ; i7iv. persistent, glabrous. 



Hab. Solomon Isles, Heri. Mackay. 



28". A. aneitense, Carruth. ; rhizome wiry, wide-creeping, clothed with minute 

 linear dark-brown scales ; st. and rachises castaneous, the latter glabrous be- 

 neath, ferrugineo-pilose above ; fr. deltoid, 3-4-pinnate, 1^-2 ft. long and broad ; 

 scgm. ^-g in. 1., rhomboidal, ascending, nearly sessile, inner side close to rachis, 

 lower erecto-patent, straight or rather curved, upper less ascending than lower, 

 like outer slial lowly lobed ; texture moderately firm ; surfaces glabrous, lower 

 subglaucous ; sori round, reniform in centre of lobes, 4-6 to a segment. — FL Vit. 

 p. 840. 



Hab. Aneiteum, Macr/illivray, 110. 



.30*. A. velutiniim, Moore ; st. as long as frond, slightly velvety ; fr. deltoid, 

 1^-2 ft. 1., 3-4-pinnate ; rachises densely pubescent on both sides ; simple pinncB 

 0-9 in. 1. ; segm. 20-80-jugate, subsessile, subrhomboidal, 1 in. 1., i in. br., lower 

 border decurved, outer l)lunt or subacute, upper straight, shallowly bluntly 

 lobed; texture membranous; surfaces naked, dark green; sori straight, 1-1^ 

 lin. 1., at tip of lobes of upper edge, 4-6 to a segment. — Gard. Chron. 1806, 

 p. 111. 



ITab. Andes of Columbia; introduced into cultivation by Linden. — Habit oi liccti- 

 nalum, with segments of aome of the forms of tctraphyllum. 



