114 Origin of the British Flora, 



Prunus domestica, L. 

 Neolithic : — 



Crossness, Essex (upper peat). 



In • Etudes d'Ethnographie Prehistorique. — II. Les 

 Plantes cultiv^es de la Periode de Transition au Mas-d'Azil,' 

 {Anthropologic, Vol. VII., No. I., pp. 1-24), Monsieur Ed. 

 Piette has given a good account and figures of the early 

 cultivated species of Prunus. We have not yet obtained 

 in Britain sufficient material for a similar analysis. 



Prunus Avium, L. 

 Neolithic : — 



Crossness, Essex (upper and lower peats) ; Gayfield, 

 Edinburgh. 



Interglacial: — 



West Wittering, Sussex ; Selsey, Sussex. 



Prunus Padus, L. • 

 Neolithic : — 



Northampton ; Hornsea, Yorkshire ; Sand le Meer, 

 Yorkshire ; Hailes, near Edinburgh. 



Interglacial : — 



Selsey, Sussex ; Airdrie, Lanarkshire. 

 Recorded from the Pine and Oak Zones (Neolithic) in 

 Sweden (Gunnar Andersson). 



Spiraea Ulmaria, L. 

 Roman Period : — 



Silchester, Hampshire. 



Neolithic : — 



Hailes, near Edinburgh ; Redhall, near Edinburgh. 



