CEUCIFEROUS TRIBE. 



69 



western coast of Britain. Flowers bright lemon-coloured, 

 veined with purple. -Fl. June, July. Perennial. 



fr Two other species of Brdssica are described by 

 botanists ; B. Ndpus (Rape or Cole-seed), which is culti- 

 vated for the sake of the oil pressed from its seeds, the 

 refuse being used, under the name of oil-cake, for feeding 

 cattle ; and B. Napa (the common Turnip) ; neither of 

 which is really wild. Brocoli and Cauliflower are va- 

 rieties of Cabbage, which have a tendency to produce an 

 unusual abundance of flower-buds. They are cut for 

 the table before the flowers have had time to expand. 

 In the variety known by the name of Brussels sprouts, 

 the unexpanded leaf-buds are eaten. 



BIN A PIS ARVENSIS (Wild Mustard, Cherlock). 



