26 ALIEN FLORA OF BRITAIN 



Moricandia arvensis, DC. A cornfield weed of the 

 Mediterranean area which has occurred in several 

 localities in England among colonies of corn-introduced 

 plants. 



Myagrum perfoliatum, L. A cornfield weed of 



Southern and Central Europe, occasionally found in 



places where corn refuse has been thrown away in 

 England. 



Nasturtium austriacum, Crantz. A cornfield weed 

 of Southern and Central Europe, once recorded from 

 Ireland in connection with foreign grain introduc- 

 tions. 



Neslia paniculata, Desv. A very common weed in 

 some parts of Central and Southern Europe, and a 

 characteristic associate in England of plants introduced 

 with foreign grain and agricultural seed. 



Raphanus Landra, Moretti. A weed of cultivated 

 and waste ground in South-West Europe, and 

 occasionally recorded in England where foreign grain 

 is introduced. 



Baphanus Raphanistrum, L. Native in pastures, 

 and on the seashore of the Mediterranean area. 

 Further north in Europe, including Britain, it becomes 

 a common weed of cultivated and waste ground. 



Raphanus sativus, L. A frequent garden outcast in 

 Britain. The Radish has been cultivated in Europe 

 from very early times. Tradition derives it from^ 

 China. 



