64 ALIEN FLORA OF BRITAIN 



waste places in Britain, probably the result of foreign 

 grain introduction, as the species is a cornfield weed 

 in some parts of Europe. 



Trifoliuiu michelianmu, Savi. Native in meadows 

 in the West Mediterranean area, but more widely spread 

 as a cornfield weed. It has been found on waste ground 

 in England, the result probably of the use of imported 

 grain-siftings for feeding fowls. 



Trifolium parviflorum, Ehrh. Native of grassy places 

 in the Mediterranean region, and a weed of cultivated 

 and waste places in Southern Europe. Once found 

 in England in connection with grain - introduced 

 aliens, 



Trifolium resupinatum, L. Native of pastures in the 

 Orient, and a cornfield weed of the Mediterranean 

 area. A characteristic plant of grain alien colonies irt 

 Britain. 



Trifolium spumosum, L. Native of grassy places 

 in the East, and a rather common weed of cornfields 

 in some parts of Southern Europe. Several times re- 

 corded in England where the sittings of foreign grain 

 have been sc.ittered. 



Trifolium squarrosum, L. Native of damp meadows 

 in the East. Once recorded in England, probably as- 

 a grain nitroduction. 



Trifolium stellatum, L. Native of grassy hills in. 

 Western Asia, and very common as a cornfield and waste 

 ground weed on the shores of the Mediterranean.. 



