202 CHARACTERS OF TRIBES AND GENERA. 



and A. heterocarpum, figured in Bedd., Ferns of Brit. Ind., 

 pi. 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 

 to be found either adopted or as synonyms principally of 

 species of the genera Lastrea, Polysticlmm, Nephrodium, and 

 Sagenia, the latter I include under Aspidium. 



* Fronds pinnatifid ; segments decurrent. 



Sp. A. decurrens, Pr. (A. pteropus, Kze.) ; A. alatum, Wall, 

 Hook, and Grev., Ic. PI., t. 184. 



** Fronds pinnate, or sometimes only from three to five lobcd ; 

 pinnce broad, entire, or the lower ones lobed. 



A. angulatum, J". 8m. (Poly podium, Willd.) ; A. platanifo- 

 lium, Mett. ; A. Plumieri, Pr. (v v.) ; A. trifoliatum, Sw. 

 (v v.) ; A. polymorphum, Wall, (v v.) ; A. irriguum, /. Sm. ; 

 A. Barteri, /. 8m. (v v.) ; A. macrophyllum, Sw. (v v.) ; A. 

 Menyanthidis, Willd. A. repandum, Willd. ; A. pachyphyl- 

 lum, Kze. ; A. Lobbi, Hook. ; A. grande, /. Sm. ; A. inter- 

 medium, /. Sm. A. calcareum, Pr. ; A. variolosum, Wall. 

 (v v.) ; A. latifolium, /. 8m. (v v.) ; A. subtriphyllum, Hook. 

 (v v.). 



*** Fronds pinnate ; pinnce always more or less sinuuse- 

 laciniated, pinnatifid or bi-pinnatifid. 



A. coriandrifolium,* Sw. ; A. cicutarium, Sw. (v v.) 

 (A. hippocrepis, Sw.) ; A. giganteum, SI. (v v.) ; 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 Plukenet, t. 284, 

 quoted by Swartz, leads me to consider it as distinct. 



