Fig. 33. Diseases of the Cauliflower and Radish. 



a. spot disease of cauliflower (after McCulloch), 6, white rust of radish, c. conidio- 

 phore of the white rust fungus, Cystopus candidus, <i. fertilization in Albugo Candida, 

 e. germination of the oospore of Albugo Candida, f. ring spot on cauliflower head, g. 

 perithecium of Mycosphmrella brassicicola, h. ascus of Mycospk<Erella brassicicola, i. 

 ascospores of MycosphtBreUa brassicicola (g. to i. after Osmun and Anderson). 



