Former Distribution of British Plants. 133 



Andromeda Polifolia, L. 



Late Glacial: — 



Hailes, near Edinburgh (lower bed); Corstorphine, near 

 Edinburgh. 



LOISELEURIA PROCUMBENS, Desv. 

 Late Glacial : — 



Corstorphine, near Edinburgh. 



Glaux maritima, L. 

 Interglacial : — 



West Wittering, Sussex. 



Fraxinus excelsior, L. 

 Neolithic : — 



Crossness, Essex (upper and lower peats), wood de- 

 termined by Prof. Marshall Ward. 



Interglacial : — 



Hitchin, Hertfordshire. 



In Sweden confined to the Oak Zone (Gunnar Anders- 

 son) ; recorded from Honerdingen in Hanover, associated 

 with Platanus, Juglans, and Najas flexilis (C. Weber). 



Menyanthes trifoliata, L. . 

 Neolithic : — 



Drope, Glamorgan ; Redhall, near Edinburgh ; Gay- 

 field, near Edinburgh ; Hailes, near Edinburgh; Elie, Fife; 

 Cowden Glen, Renfrewshire ; Montrose (in peat below 20 

 feet of estuarine deposits). 



