ON 



WOODSIA, 



A NEW GENUS OF FERNS. 



33Y 



ROBERT BROWN, Esq., E.R.S., Lib. Linn. Soc. 

 (Eead Notembee 7th, 1812.) 



\Extraeted from ' The Transactions of the Linnean Society of London,' 

 Vol. XI, pp. 170—174.] 



