38. ASPLENIUMj §§ EUASPLENIUM. 219 



Grrotip of A, (dcnUarium. Venation pinnate. Fronds wirious in size, texture 

 thinb/ herbaceous, colour hright-green, uUimate divisions finely cut. Sp. 145-165. 



145. A. triph/Uum, Presl ; st. tufted, 1-2 in. I., slender, spreading ; Jr. 6-9 in. 

 !■> i-f i°- br., with numerous pinnm on each side, cut down into 3 or 5 stalked 

 linear or oblong-spathulate pinnl. J in. 1. ; texture herbaceous ; rachis slender, 

 ■wide-rambling, often gemmiferous ; veins one in each pinnl. ; sort 1-2 on the 

 disk of each. — A. herbaceum. Fie. — , A. sessilifolittm, Desv. ; rachis stronger ; 

 piniMB distant, with usually three STpa&alsAe pinnl., the- terminal one J in. br. — 

 A. imbxicatum, Hk. <£ Gr. t. 166. A. ternatum, Presl. — y, compactum, Hk. ; 

 texture subcoriaceous ; rachis firm, erect ; pinntB close ; pinnl. more numerous ; 

 sori copious. — B&. Sp. 3. p. 203. 



Hab. Andes of Ecuador and Pern. — Hnnse usually consisting of three, or at most of 

 five, nearly equal divisions. 



146. A. repens, Hk. ; st. wide-scattered, very slender, very short ; fr. 1-2 in. 1., 

 \ in. br., ovate-lanceolate, hi- or tripinnatifid ; pinnce horizontal, 3-4 on each 

 side, cut down to the rachis into broad cuneate pinnl., which are sharply toothed 

 on the outer edge and sometimes deeply cleft ; texture thinly herbaceous ; rachis 

 naked ; veins simple or forked in each pinnl. ; sori oblong, solitary. — Hh. Sp. 3. 

 p. 194. 2nd Cent. t. 31. 



Hab. Andes of Ecuador, Jameson and Spruce. 



147. A. delicatulum, Presl ; rhizome wide-creeping, thread-like ; st. solitary, or 

 2-3-nate, ^1 in., greenish, naked ; fr. lanceolate, 1-2 in. I., 2-3-pinnatifid ; pinnce 

 few, stalked, lowest largest, cuneate-trapezoid, fiabellately 1-2-pinnatLfid, with a 

 few sessUe linear acute 1-veined divisions under \ lin. br., lowest often forked ; 

 texture membranous ; surfaces green, glabrous ; soi'i oblong. — Hk. Sp. 3. p. 182. 

 Ic. Plant, t. 915. 



Hab. Peru, Pappig, Matihews, 1785. 



148. A. divaricatum, Kunze ; st. tufted, very short ; jfr. 4-6 in. 1., 1 J-2 in. br., 

 oblong-lanceolate, witli numerous close-placed pinnce on each side, which are 

 J-l in. 1., J in. br., cut down to the rachis into numerous pinnl. not more than 

 1 lin. br. ; segm. linear-oblong, not toothed ; texture membranaceous ; rachis 

 very slender, ebeneous ; veins one to each segm. ; sori solitary. — Hi. Sp. 3. 

 p. 204. 



Hab. Chih and Peru. — ^Very doubtfully distinct from A . irft/riaphyUv/m. 



149. A. Cf^ertiamtm, Hk. ; st. tufted, very short, compressed ; fr. 6-8 in. 1., 

 1 in. br., caudate at the apex, with numerous close-placed pinnce on each side, 

 the largest ^ in. 1., J in. br., ovate-rhomboidal, broadest on the upper side, cut 

 down to the rachis into simple linear sharp-pointed or broader fiabellately 

 incised pinnl. ; texture herbaceous ; rcKhis green, much compressed and with a 

 broad wing on each side all the way down ; veins one to each segm. ; sori one at 

 the base of each segm. — Hk. Sp. 3. p. 199. 2nd Cent. t. 22. 



Hab. Paraguay ; gathered by M. Gibert. — A stronger and more regular-growing plant 

 than the rest of the group, witi a very peculiar rachis. 



150. A. Colensoi, Hk. fil. ; st. tufted, 3-4 in. 1., firm, erect, clothed throughout 

 with small scales ; fr. 4-6 in. 1., 2 in. br., with numerous rather rigid erecto- 

 patent^?8««, the lower on stalks J-jin. 1. ; lower pinnl. spreading, deeply inciso- 

 pinnatifidjHvith linear segm. ; texture herbaceous ; rachis slightly scaly ; one vein 

 to each segm. ; sori oblong, solitary. — Ic. PI. t. 984. 



Hab. New Zealand. — Probably not more than a subdareoid variety of adian- 

 ioidea. 



