138 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). - 
