Former Distribution of British Plants. 107 



Chelidonium matus, L. 

 Interglacial: — 



West Wittering, Sussex. 



Five well-preserved and characteristic seeds have been 

 found. 



FUMARIA OFFICINALIS, L. 



Neolithic : — 



Redhall, near Edinburgh. 



This plant has only been found associated with flax and 

 weeds of cultivation. 



Thlaspi arvense, L. 

 Roman Period : — 



Silchester, Hampshire. 



Cakile maritima, Scop. 



Unknown fossil in Britain, but occurs in the Oak Zone 

 (Neolithic) in Gotland (Gunnar Andersson). 



Viola palustris, L. 

 Neolithic : — 



Drope, Glamorgan (?) ; Fillyside, near Edinburgh (raised 

 beach.) 



Lacustrine deposits of the Scottish Lowlands, Hailes, 

 Redhall, near Edinburgh ; Elie, Fife (?). 



Late Glacial: — 



Hoxne, Suffolk (bed C) ; Kirk Michael, and Close y 

 Garey, Isle of Man ; Hailes (lower bed) ; Corstorphine, 

 Gayfield, near Edinburgh ; Dronachy, Fife. 



Interglacial : — 



AUenton, near Derby ; Faskine, Lanark. 

 Preglacial (Cromer Forest-bed) :— 



Mundesley, Norfolk; Pakefield, Suffolk. 



