226 ADDENDA. 



ELYMUS ARBNARIUS. LINNJCUS. Sea-shores. 



BLYMUS GENICULATUS. CURTIS. Very rare. Gravesend. 



TRITICUM CRISTATUM. SCHREBER. Rocks at the sea-side 

 between Arbroath and Montrose. Rare. 



TRITICUM LAXUM. FRIES. Sandy sea-shores. A doubtful 

 species. 



