202 CHAEACIEKS OF TRIBES AND GESEEA. 



and A. heterocarpum, fig-ured in Bedd., Ferns of Brit. Ind., 

 pi. 47, in whioli the sori are curved. 



In Moore's "Index Filicum " no less than 976 names are 

 alphabetically arranged under Aspidunii, of these twenty- 

 two are adopted species, the rest are synonyms, and are 

 to be found either adopted or as synonyms principally ot 

 species of the genera Lastrea, Polijsiichum, Nephrodium, and 

 Sagenia, the latter I include under Aspidmm. 



* Fronds pinnatifid ; segments deciirrcnt. 



Sp. A. decurrens, Pr. {A. piferopus, Kze.) ; A. alatum, Wall, 

 Hooh. and Grev., Ic. PL, t. 184. 



** Fronds pinnate, or sometimes only from three to fire lohed ; 

 pinnce hroad, entire, or the Joieer ones lohed. 

 A. angulatnm, /. Sm. (Poll/ pod izim, JViUd.) ; A. platanifo- 

 limn, Mett. ; A. Plnmieri, Pr. (v t.) ; A. trifoliatum, Sw. 

 (t v.) ; A. polymorphum. Wall, (v v.) ; A. irrigunm, J. Sm. ; 

 A. Barteri, /. Sm. (v v.) ; A. macrophyllum, Sw. (v v.) ; A. 

 Menyanthidis, JVilld. ; A. repandum, iri//i/. ; A. pachyphyl- 

 lum, K::e. ; A. Lobbi, Hool:. ■ A. grande, /. Sm. ; A. inter- 

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

 (v V.) ; A. latifolium, J. Sm. (v v.) ; A. subtriphyllum, Hook. 



(TV.). 



*** Fronds pinnate ; pinner always more or less sinuose- 

 laciniated, pinnatifid or bi-pinnaiifid. 



A. coriandrifoliuni,* Sw. ; A. cicutarium, Sit', (v v.) 

 {A. hippocrepis, Sw.) ; A. giganteum, Bl. (v v.) ; A. dela- 



* I long considered my original Jamaica specimens of this to be a 

 young state of A. ciciitarinm, but the receipt of additional specimens, 

 apparantly in a perfect state, with the fig. of Pluliienet, t. 284, 

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



