CHARACTERS AND DESCRIPTION 



OP 



LYELLIA, 



A NEW GENUS OF MOSSES, 



OBSERVATIONS ON THE SECTION OF THE ORDER TO 

 WHICH IT BELONGS; 



AND SOME EBMAEKS ON 



LEPTOSTOMUM AND BUXBAUMIA. 



BY 



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



(Eead Apeil 6th, 1819.) 



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

 Vol. XII, pp. 560—583.] 



