140 



FUNGI AND FUNGICIDES 



58, while turnips commonly suffer in a most disastrous 

 manner (Fig. 59). But cultiyated crops are not the only 

 hosts of the fungus — a fact which makes it still more 



FIG. 58. CLUB ROOT OF CAULIFLOWER. 



difficult to contend against. Various weeds belonging 

 to the cruciferous family are also attacked by the club 

 root fungus. Shepherds' purse, for example, is com- 



