I40 ALIEN FLORA OF BRITAIN 



Empire and the discovery of America. It was probably 

 early cultivated in Britain for medicinal purposes, and,, 

 though not in frequent cultivation now, it sometimes 

 appears in plenty near towns and villages when the 

 ground is disturbed. Its seeds have a remarkably long 

 period of vitalit}^ and, being abundantly produced, lie 

 dormant until some favourable circumstance permits of 

 their germination. 



Hyoscyamus albus, L. A native of hot rocky situations 

 in Southern Europe, and a weed of waste ground in 

 most parts of the Mediterranean area. Further north,, 

 and in Britain, only rare and sporadic. 



Hyoscyamus aureus, L. A weed of roadsides and 

 waste ground in the Orient. Once recorded as a 

 ballast plant from the Tyne. 



[Hyoscyamus niger, L. Probably a true native of 

 sand-dunes on the coasts of England and Wales,, 

 but far more common as a weed of waste ground 

 about villages.] 



Lycium barbarum, L. A native of the Mediterranean 

 region. It has been frequently recorded from all 

 parts of Britain as an escape near cottage gardens^ 

 All the specimens, however, which the author has been 

 able to see from such localities are referable to Lycium 

 chinense. 



Lycium chinense, Mill. A native of China. Rather 

 common as a garden escape in Britain. 



Lycopersicum esculentum, Mill. A native of the 

 New World. Much cultivated in England, and a com- 



