114 



FUNGOUS DISEASES. 



Brassicae, Wor.) infests the cultivated stock, and 

 candytuft, but in this country to no alarming extent. 

 In this connection it is, however, interesting to add 



Fig. 21 Club Root of Cauliflower. 



two genera of weeds upon species of which the galls 

 of slime molds have been recently found in abun- 

 dance, namely, the shepherd's purse and hedge mus- 

 tard. Fig. 22 shows a group of the infested roots 



