202 CHARACTERS OF TRIBES AND GENERA. 
and A. heterocarpum, figured in Bedd., Ferns of Brit. Ind., 
pl. 47, in which the sori are curved. 
In Moore's * Index Filicum " no less than 976 names are 
alphabetically arranged under Aspidium, of these twenty- 
two are adopted species, the rest are synonyms, and are 
io be found either adopted or as synonyms principally of 
species of the genera Lastrea, Polystichum, Nephrodium, and 
Sagenia, the latter I include under Aspidiwm. 
* Fronds pinnatifid ; segments decurrent. 
Sp. A. decurrens, Pr. (A. pteropus, Kze.); A. alatum, Wall, 
Hook. and Gren, Ic. Pl., i. 184. 
** Fronds pinnate, or sometimes only from three to five lobed ; 
pinne broad, entire, or the lower ones lobed. 
A. angulatum, J. Sm. (Polypodium, Willd.) ; A. platanifo- 
lium, Mett.; A. Plumieri Pr. (v v.); A. trifoliatum, Sw. 
(v v.); A. polymorphum, Wall. (v ei: A.irriguum, J. Sm. ; 
A. Barteri, J. Sm. (v v.) ; A. macrophyllum, Sw. (v v.) ; A. 
Menyanthidis, Willd. ; A. repandum, Willd.; A. pachyphyl- 
lum, Kze.; A. Lobbi, Hook. ; A. grande, J. Sm.; A. inter- 
medium, J. Sm. ; À. Gieh, Pr.; A. variolosum, Wall. 
(v v.); A. latifolium, J. Sm. (v ei: A. subtriphyllum, Hook. 
(v v.). 
*** Fronds pinnate; pinne always more or less simuose- 
laciniated, pinnatifid or bi-pinnatifid. 
A. coriandrifolium,* Sw.; A. cicutarium, Sw. (v v.) 
(A. hippocrepis, Sw.) ; A. giganteum, Bl. (v ei: A. dela- 
*I long considered my original Jamaica specimens of this to be a 
young state of A. cicutarium, but the receipt of additional specimens, 
apparantly in a perfect state, with the fig. of FA t. 284, 
quoted by Swartz, leads me to consider it as distinct. 
