Former Distribution of British Plants. 125 
HERACLEUM SPHONDYLIUM, L. 
Late Glacial :— 
Twickenham, Middlesex. 
Preglacial (Cromer Forest-bed):— 
Pakefield, Suffolk. 
CAUCALIS NODOSA, Scop. 
Interglacial:— 
Stone, Hampshire. 
HEDERA HELIX, L. 
Neolithic:— 
Crossness, Essex (upper and lower peats) (Spurrell); 
Caerwys, Flintshire. 
Interglacial:— 
Grays, Essex. 
Recorded also from the Oak Zone (Neolithic) in 
Gotland (Gunnar Andersson). 
CORNUS SUECICA, L, 
Unknown fossil in Britain. 
Recorded from Gotland, in South Sweden, associated 
with Arctic plants. 
CORNUS SANGUINEA, L. 
Neolithic :— 
Barry Docks, South Wales; Crossness, Essex (upper 
and lower peats); Albert Dock, Essex. 
Interglacial :— 
West Wittering, Sussex; Hitchin, Hertfordshire; Hoxne, 
Suffolk (a single fruit, not found in place and perhaps 
recent). 
