former Distribution of British Plants. 107 
CHELIDONIUM Magus, 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 :— 
Allenton, near Derby; Faskine, Lanark. 
Preglacial (Cromer Forest-bed) :— 
Mundesley, Norfolk; Pakefield, Suffolk. 
