ISO ALIEN FLORA OF BRITAIN 



ACANTHACE^. 



Acanthus mollis, L. A native of Southern Europe^ 

 which has been a favourite garden flower in England 

 and has been observed in an apparently wild state near 

 Penzance and in the Scilly Isles. Doubtless in both 

 cases of garden origin. 



VERBENACE^. 



Verbena hastata, L. A native of North America. 

 Recorded as a casual in England. 



Verbena officinalis, L. The confinement of this 

 species to the neighbourhood of roads and houses 

 prevents its acceptance as a native of England or of 

 Northern Europe. It appears to be a native of dry 

 pastures in the Mediterranean region, being intro- 

 duced both further north and also into the tropics to 

 the south. 



Verbena supina, L. A native of damp sandy places 

 in Southern Europe and the Orient. Recorded once 

 from the well-known colony of aliens at Wandsworth 

 in Surrey. 



LABIATE. 



Ajuga Chamaepitys, Schreb. It extends, as a weed 

 of cultivated ground, from England to Asia Minor. It is 



