1 36 Origin of the British Flora. 



Preglacial (Cromer Forest-bed) : — 



Mundesley, Norfolk ; Pakefield, Suffolk. 



Thymus Serpyllum, L. 

 Late Glacial : — 



Greenock (Roxburgh Street), in Clyde Beds. 



Prunella vulgaris, L. 

 Roman Period : — 



Silchester, Hampshire. 

 Neolithic : — 



Redhall, near Edinburgh. 



Stachys palustris, L. 

 Neolithic : — 



Redhall, near Edinburgh ; Hailes, near Edinburgh ; 

 Fillyside, near Edinburgh (raised beach). 



Late Glacial : — 



Hailes, near Edinburgh (lower bed). 

 Interglacial : — 



Hoxne Suffolk (bed D), one badly preserved nutlet 

 perhaps belongs to this species ; West Wittering, Sussex. 

 Preglacial (Cromer Forest-bed) : — 



Beeston, Norfolk. 



Stachys sylvatica, L. 



Unknown fossil in Britain. 



Recorded from the Dryas and Pine Zones (Late 

 Glacial and Neolithic) in Sweden (Gunnar Andersson). 



Stachys arvensis, L. 

 Roman Period : — 



Silchester, Hampshire. 



