1 68 ALIEN FLORA OF BRITAIN 



now naturalised in many places, being a common weed 

 in some of the warmer parts of the Continent, but 

 confined in England to hedges and old walls near 

 gardens where it has been cultivated. 



[Asarum europaeum, L, Native of woods in Europe, 

 It has been recorded from various parts of Britain, 

 occasionally in woods, but usually as a more or less 

 obvious escape from gardens, but, as it is undoubtedly 

 native in Northern France, Belgium, and Holland, its 

 few natural habitats may be accepted.] 



THYMELiEACE^. 



[Daphne Mezereum, L. Native in England and Wales 

 in woods, as it is also in Normandy and Belgium. 

 Mr. H. C. Watson noted that the seeds of this species 

 are often sown by robins from cultivated bushes, but 

 this need throw no doubt on its native state in the 

 absence of adverse geographical evidence.] 



EUPHORBIACE^. 



[Buxus sempervirens, L. Native in the woods 

 of Normandy, Belgium, and Holland. In England 

 there are a few localities, notably Box Hill in Surrey,, 

 where the tree grows plentifully and naturally, and 

 there seems no reason to doubt its being as truly native 

 here as in the rest of Northern Europe. A great deal 

 has been written both for and against its nativity in 



