ON 





WOODSIA, 



A NEW GENUS OF FERNS. 



BY 



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



(Read November 7th, 1812.) 



[Extracted from ' The Transactions of the Linnean Society of London, 

 Vol. XI, pp. 170— -174.] 



