128 Origin of the British Flora. 



Late Glacial: — 



Hoxne, Suffolk (bed C). 

 Interglacial: — 



West Wittering, Sussex ; Shacklewell, London ; Hitchin, 

 Hertfordshire ; Hoxne, Suffolk (bed D) ; AUenton, near 

 Derby. 



Aster Tripolium, L. 

 Interglacial: — 



West Wittering, Sussex. 



BiDENS CERNUA, L. 

 Neolithic: — 



Redhall, near Edinburgh. 



The fruit from Hoxne, referred in 1888 to this species, 



is a variety of B. tripartita with four equal awns. 



BiDENS TRIPARTITA, L. 



Late Glacial: — 



Hoxne, Suffolk (bed C — a starved fruit). 



Interglacial : — 



Hoxne, Suffolk (bed D), associated with a variety 

 having four equal awns. 



Preglacial (Cromer Forest-bed): — 



Mundesley, Norfolk; Pakefield, Suffolk. 



Chrysanthemum segetum, L. 

 Neolithic: — 



Hailes, near Edinburgh ; Redhall, near Edinburgh. 



Chrysanthemum Leucanthemum, L. 

 Roman Period : — 



Silchester, Hampshire. 



A single fruit of this species, sent to me as from the 



