n6 Origin of the British Flora. 



Tnterglacial : — 



Stone, Hants ; West Wittering, Sussex ; Selsey, 

 Sussex ; Grays, Essex. 



Preglacial (Cromer Forest-bed) : — 



Overstrand ; Mundesley ; Pakefield. 



RUBUS C^ESIUS, L. 



Unknown fossil in Britain. 



Recorded with doubt by Gunnar Andersson from the 

 Oak Zone in South Sweden. 



RUBUS SAXATILIS, L. 

 Unknown fossil in Britain. 



Recorded by Gunnar Andersson from the Pine, Oak, 

 and Spruce Zones in Sweden. 



Dryas octopetala, L. 

 Late Glacial : — 



Corstorphine, near Edinburgh ; Crianlarich, Perthshire. 

 This species, though rare fossil in Britain, is very 

 abundant in similar deposits in Scandinavia. 



POTENTILLA TORMENTILLA, Neck. 

 Roman Period : — 



Silchester, Hampshire. 



Neolithic : — 



Ballaugh, Isle of Man (bed A); Close y Garey, Isle of 

 Man (bed B) ; Hailes, near Edinburgh ; Redhall, near 

 Edinburgh; Elie, Fife. 



