13^ Origin of the British Flora. 



Atriplex patula, L. 

 Neolithic : — 



Casewick, Lincolnshire ; Hailes, near Edinburgh ; 

 Redhall, near Edinburgh ; Fillyside, near Edinburgh 

 (raised beach) ; Elie, Fife. 



Late Glacial :•» 



Garvel Park (Clyde Beds) ; Roxburgh Street, Greenock 

 (Clyde Beds). 



Interglacial : — 



Stone, Hampshire ; West Wittering, Sussex ; Selsey, 

 Sussex. 



Preglacial (Cromer Forest-bed) : — 



Beeston, West Runton, Sidestrand (in Norfolk) ; Corton, 

 Pakefield (in Suffolk). 



Polygonum aviculare, L. 

 Roman Period : — 



Silchester, Hampshire. 



Neolithic : — 



Redhall, near Edinburgh ; Broughton, near Edinburgh. 



Late Glacial : — 



Hailes, near Edinburgh (lower bed). 



Interglacial : — 



Endsleigh Street, London ; Stone, Hampshire ; Selsey, 

 Sussex. 



Polygonum Hydropiper, L. 

 Neolithic : — 



Crossness, Essex (lower peat). 



