472 ADIANTUM. ^ 



XXI.— ADIANTUM. Page 113—126. 



3*. A. Mettenn, Kuhn, Fil. Afr. p. 65 (A. pteropus, R. Br,), is the Tropical 

 African form, with a wing to the rachis and petioles, mentioned under 

 A. caudatum. 



3*. k.pumilum, Sw. ; St. \-\\ in. 1., tufted, naked, castaneous •,fr. lanceolate, 

 1^-2 in. ]., simply pinnate below a pinnatifid apex; pintm 4-5-jugate, upper 

 rhomboid, sessile, lower roundish, 2-2i lin. br., subpetiolate. — Mart. lo. Crypt, 

 t. 55. fig. 4. Hk. Sp. 2. p. 15. 



Hab. Jamaica, Swartz. 



S*. A ffrossum, Mett. ; st. ^-1 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, with lower side more pro- 

 duced, and iniier imbricated over rachis, their stalks J-^ in. 1. ; texture subcoria- 

 ceous ; vdning flabellate, fine, close ; sori straight, many, ^-f in. 1, — Fil, Nov, 

 Gran. p. 114. 



Hab. Andes of New Granada, Idndig, 373. 



5. A. EclgewortMi,Tl'k. Sp. 2. p. 14, t. 81 B, from Himalayas and China, differs by 

 more membranous texture, glabrous surfaces, and subentire pinnse. A. Schwein- 

 furthii, 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 pinnse. 



15*. A. monosorum. Baker ; s*. and rachises very slender, naked, castaneo- 

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

 4-5 in. 1., f-| in. br., lowest forked at base ; segm. close, short-stalked, 16-20- 

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

 parallel, with rachis close to it, outer i-ound, like straight upper finely toothed ; 

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

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



Hab. Solamon Isles, Eerh. Machay. 



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

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

 neath, feiTugineo-pilose- above ; fr. deltoid, 3-4-pinnate, 14-2 ft. long and broad ; 

 segm. -J-l 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 sliallowly lobed ; texture moderately firm ; swrfaces glabrous, lower 

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

 p. 346. 



Hab. Aueiteum, Macgillivray, 110. 



30*. A. velviinmn, Moore ; St. as long as frond, slightly velvety ; fr. deltoid, 

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

 6-9 in. 1. ; scyro. 20-30-jugate, snbsessile, subrhomboidal, 1 in. 1., ^ in. br., lower 

 border decurved, outer blunt or subacute, upper straight, shallowly bluntly 

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

 lin. 1., at tip of lobes of upper edge, 4-6 to a segment. — Qard. Chron. 1866, 

 p. 777. 



Hab. Andes of Columbia ; introduced into cultivation by Linden.— Habit of pecti- 

 natwm, with segments of aome of the forms of teii-aphylhim. 



