MUSTARD FAMILY. 



53 



Sub-species EADICULA. Eoot more or less fleshy, tender, white or red. 



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



Far. b. oblonga. Root oblong or fusiform. Common Radish. 



Sub-species NIGER. Root fleshy, solid and firm, more or less acrid, black 

 externally, white within. 



FIG. 29. Wild R.idish (Raphanus Raphanistnim), reduced. 



