ilUSTAEP FASIILY. 



53 



Suh-spccies Eadicula. Eoot more or less fleshy, tender, white or red. 



Var. a. rotunda. Koot subglobose. Turnip-radish. 



Var. b. oblonga. Eoot oblong or fusiform. Common Eadish. 



Sub-species Niger. Eoot fleshy, solid and firm, more or less acrid, blacB 

 externally, white within. 



Fig. 29. Wil I R.idish (Raplianus Raphanistrum), reduced. 



