CHARACTERS AND DESCRIPTION 



OP 



LYELLIA, 



A NEW GENUS OF MOSSES. 





OBSERVATIONS ON THE SECTION OF THE ORDER TO 

 WHICH IT BELONGS; 



AND SOME REMARKS ON 



LEPTOSTOMUM AND BUXBAUMIA. 



BY 



ROBERT BROWN, Esq, F.R.S., Libr. L.S, 



(Read April 6th, 1819.) 



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

 Vol. XII, pp. 560— 583.] 



