100 F I L I C E S. 



pinnse in the plant before us, we are of opinion that the A. triangvr 

 latum of Kaulfuss and A. fovearum of Raddi are not specifically dis- 

 tinct from it. 



13. Adiantum pedatum, Linn. 



Adiantum pedatum, Sw. Syn. Fil. p. 121 ; Willd. Spec. PI. b, p. 438 ; Kaulf. Enum. 

 Fil. p. 202 j Hook. Fl. Bor. Amer. 2, p. 264. 



Hab. Banks of Chickeeles River, and in woods near Fort Nis- 

 qually, Oregon. 



This does not differ from the plant of the United States and 

 Canada. Chamisso found it as far north as Unalaschka. 



14. Adiantum patens, Willd. 



Adiantum patens, Willd. Spec. PI. 5, p. 439; Hook. Spec. Fil. 2, p. 29. 

 Hab. On the Corcovado, Rio Janeiro, Brazil. 



Very closely allied to the A. pedatum of Linnseus ; from which it 

 may be said to differ only in its more approximate, broader, obtuse, 

 darker-green pinnae, with a partial rufous pubescence on the upper 

 side of the rhachis of its branches. 



15. Adiantum pubescens, Willd. 



Adiantum pubescens, Willd. Spec. PI. 5, p. 439; A. Rich. Bot. Voy. Astrol. p. 89; 

 Hook. & Arn. Bot. Beech. Yoy. p. 75. 



Var. (3. divaricatum : ramis divaricatis; pinnis subflabellatis dblongis. 



Hab. Tahiti, Society Islands. Feejee Islands. Bay of Islands, 

 New Zealand. Hunter's River, and shores of Port Jackson, New 

 South Wales. (3. Muniai, Feejee Islands. 



