225 



ADDENDA. 



LEERSIA ORYZOIDES. SWARTZ. A rare Grass, grow- 

 ing in ditches and damp places. Henfield and Arundel, Essex; 

 Mole River, Surrey; Boldre River, near Brockenhurst Bridge, 

 Hants. Found by Mr. Borrer. 



AGROSTIS INTERRUPTA. LIN N^US. Rare. Sandy 

 pastures. Thetford. Closely allied to Agrostis spica-venti. 



POA BORRERI. HOOKER AND ARNOTT. (Glyceria con- 

 ferta, Fries; Sclerochloa Borreri, Babington.) South, of Europe, 

 in brackish places. 



POA LAXA. HCENCK. Rare. Ben Nevis, Loch na Gar, 

 and Clova mountains. 



BROMITS RACEMOSUS. LINNJEUS. Sandy situations, 

 South of England. Scarcely different to B. commutatus. 



BROMUS PATULUS. KOCH. Found by Mr. Gibson, 

 near Hebden Bridge, Yorkshire. Closely allied to B. arvensis. 



BROMUS SQUARROSUS. LINNAEUS. Corn-fields. Surrey, 

 Kent, Essex, and Somersetshire. An introduced species. 



AVENA PLANICULMIS. SCHRADER. Isle of Arran. 

 Introduced. 



