CHARACTERS OF TRIBES AND GENERA. '817 
* Vernation uniserial distant ; sarmentum slender. 
Sect. 1.—Cuxttosorum, Mett. 
Fronds pinnate, 6 to 14 inches long; pinne numerous, 
approximate, $ to 1 inch long, oblong lanceolate, dimediate, 
Costo excentric, contiguous to the lower entire margin, swperior 
margin deeply laciniated. Sori short, oblong, on the apex of 
the vein terminating each lacine, 
Sp. A. heterocarpum, Wall (v v.) 
Oss.—In the general outline and glossy texture of the 
frond this agrees with the Trichomanoid section, but its 
uniserial vernation and apical sori mark it as being dis. 
tinct, 
** Vernation fasciculate. 
Sect. 2, —ÜETERACHOPSIS, J. Sm. 
Fronds 6 to 9 inches long, 1 to 13 inch wide, smooth, deeply 
pinnatifid, lacine uniform, obtuse. Veins dichotomously 
forked, Sori oblong linear, the lower ones subparallel with 
the coste. 
A. alternans, Wall. (v v.). 
Ozs,—Of this species Sir William Hooker says, “ this is 
a very peculiar looking plant, which, but for the absence of 
the scaly covering, might be mistaken for Asplenium ceterach, | 
which also is known to have a minute asplenoid involucrum, 
in this species, however, the veins are free.” 
Sect, 8.—ÀSPLENITES. 
Vernation erect or decumbent. Fronds simple or pinnate, 
1, Partus Group, 
Fronds entire, linear lanceolate or broad elliptical. 
A. ensiforme, Wall.; A. sinuatum, Beauv. (e v); A. 
Squamulatum, Blume (v v.); A. Griffithianum, Hook.; A. 
serratum, Linn. (v ei. 
