226 ADDENDA. 



ELYMUS ARENARIUS. Linnjeus.— Sea-shores. 



ELYMUS GENICULATUS. Curtis. — Very rare. 

 Gravesend. 



TRITICUM CRISTATUM. Schrebeb.— Rocks at tbe 

 sea-side between Arbroath and Montrose. Rare. 



TRITICUM LAXUM. Fries.— Sandy sea-shores. A 

 doubtful species. 



