i6o ALIEN FLORA OF BRITAIN 



Amaranthus Blitum, L. A rare casual in England. 

 Commoner on the Continent. Native in the Orient. 



Amaranthus chlorostachys, Willd. A native of 

 North America which occurs rarely as a waste ground 

 weed in Europe, and has been once recorded in 

 England. 



Amaranthus deflexus, L. An American species. 

 Widely naturalised in the Mediterranean region. Once 

 recorded as a casual in Yorkshire. 



Amaranthus retroflexus, L. A native of the prairies 

 of the Southern United States. It was known as a. 

 garden plant in England in 1759 (Miller's Gardener's 

 Dictionary), and was in the Kew collection in 1769. 

 It soon became naturalised, and spread rapidly as a. 

 garden and field weed during the early part of the 

 nineteenth century. It is now very common in most 

 parts of Europe, including England. 



CHENOPODIACE^. 



Atriplex hortensis, L. A native probably of Tur- 

 kestan much cultivated in Europe. Found in England^ 

 not infrequently, as an escape from cultivation. 



Atriplex nitens, Schkuhr. Its native country is not 

 known, unless Lessing's report of it from pastures in 

 the Kirghiz Steppe {Linncea, vol. ix. p. 203) indicates am 



