Former Distribution of British Plants. 145 



Also recorded from Lauenburg an der Elbe (Keilhack) ; 

 from Klinge bei Cottbus, in Prussia (Carl Weber) ; and 

 from Grunenthal in Holstein (Carl Weber), in each case 

 associated with Brasenia, &c. 



CORYLUS AVELLANA, L. 

 Neolithic : — 



Southampton Dock (submerged peat) ; Blashenwell, 

 Dorset (in tufa) ; Barry Docks, Glamorgan ; Albert Dock, 

 Essex ; Whittlesey Mere, Fenland (peat at 20 feet) ; 

 Northampton ; Sand le Meer, East Yorkshire ; Hull ; 

 Hailes, near Edinburgh ; Cowden Glen, Renfrewshire ; and 

 common in the ' submerged forests ' nearly everywhere. 



Interglacial : — 



West Wittering, Sussex ; Grays, Essex (a doubtful 

 fragment of a nut); Hoxne, Suffolk (bed D) ; Overtown, 

 near Beith, Ayrshire (between two tills) (Mr. C. Craig). 



Preglacial (Cromer Forest-bed) : — 



Ostend, Norfolk ; Pakefield, Suffolk. 



The hazel, though so abundant in Postglacial deposits, 

 is rare in the Interglacial and Preglacial strata. 



OUERCUS ROBUR, L. 

 Neolithic : — 



Common in the ' submerged forests ' everywhere ; 

 Blashenwell, Dorset (in tufa) ; Northampton (old river 

 bed) ; at base of peat mosses in Yorkshire up to a height of 

 IOOO feet; Hailes and Redhall, near Edinburgh. 



Interglacial : — 



Stone, Hampshire ; West Wittering, Sussex ; Selsey, 



Sussex; Grays, Essex; Shacklewell, London; Hitchin, 



Hertfordshire; Hoxne, Suffolk (Prestwich). 



L 



