126 Origin of the British Flora. 
Preglacial (Cromer Forest-bed) :—= 
Happisburgh, Norfolk; Pakefield, Suffolk. 
SAMBUCUS NIGRA, L 
Roman Period :— 
Silchester, Hampshire. 
Neolithic :— 
Southampton Docks (peat below sea-level) ; Crossness, 
Essex (upper and lower peats); Northampton (old river- 
bed) ; Hailes, near Edinburgh ; Redhall, near Edinburgh ; 
Fillyside, near Edinburgh (in raised beach). 
Late Glacial :-— 
Hoxne, Suffolk (bed C—perhaps derivative from bed D). 
Interglacial :— 
West Wittering, Sussex; Hitchin, Hertfordshire ; 
Hoxne, Suffolk (bed D). 
VIBURNUM OPULUS, L. 
Neolithic :— 
Crossness, Essex (upper and lower peats). 
Interglacial :— 
West Wittering, Sussex. 
VIBURNUM LANTANA, Linn. 
Interglacial :— 
West Wittering, Sussex. 
GALIUM BOREALE, L. 
Early Glacial:— 
Beeston, Norfolk (one badly preserved fruit of Galiwm 
perhaps belongs to this species), 
