POLYPODIACE^. 



97 



In all our specimens of this the fronds are bipinnate, with orbi- 

 cular-reniform and dentate pinnules, hairy on both sides. 



7. Adiantum Chilense, Kaulf. 



A. stipite Icevi nitmte; frondibus bi-tripinnatis ; pinnulis petiolulatis 

 rigidiuscidis subreniformi-cuneatis crenatis; indusiis transversim ob- 

 longis approximatis. 



Var. a. glabra : frondibus omnino glabris. 



Adiantum Chilense, Kaulf. Enum. Fil. p. 207 ; Hook. & Arn. Bot. Beech. Voy. p. 53. 

 V ar. /?. hiesuta : venis pinnularum utrinque parce pilosis. 



A. Chilense, /3. hiesuta, Hook. & Grev. Ic. Fil. t. 173; Hook. Spec. Fil. 2, p. 43. 



Hab. a. California, vicinity of Monterey and valley of the Sacra- 

 mento. /?. Chili, near Casa Blanca and Valparaiso. 



The only difference between the Chilian and Californian plant con- 

 sists in the presence of sparse whitish hairs on both sides of the pin- 

 nules of the former: these hairs arise from the veins, and are usually 

 more numerous on the upper than the under surface. 



8. Adiantum cuneatum, Langsd. & Fiscli. 



Adiantum cuneatum, Langsd. & Fisch. Ic. Fil. p. 23 ; Willd. Spec. PI. 5, p. 450 • 

 Raddi, Plant. Brasil. p. 59, t. 78, f. 2; Kaulf. Enum. Fil. p. 206; Hook.'&Grev! 

 Ic. Fil. t. 30; Gaud. Bot. Freyc. Voj. p. 404; Hook. & Arn. Bot. Beech Vov 

 p. 53. J 



Hab. Brazil : vicinity of Rio Janeiro, and in the Organ Mountains. 

 Peru, near Obrajillo? 



9. Adiantum assimile, Sw. 



Adiantum assimile, Sw. Syn. Fil. p. 125 & 323, t. 3, f. 4; Willd. Spec. PI. 5, p. 453 ■ 



R. Br. Prodr. Fl. Nov. Holl. p. 155 ; Gaud. Bot. Freyc. Voy. p. 405. 

 A. trigonum, Labill. ex Willd. Spec. PI. 5, p. 453; Hook. Spec. Fil. 2, p. 37. 



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