

M* 





"?I Ail "' * 





Fig. 47. Bean Diseases. 



a. and b. Rust on leaf and pods, c. section through bean leaf showing bean rust, 

 summer spores, d. section through bean leaf, showing bean rust, winter spores, e. 

 anthracnose, /. section through bean seed, snowing relation of anthracnose to the 

 host (<-. d. and/, after Whetzel), g. Cercospora leaf spot, h. Isariopsis griseola leaf 

 spot, i. conidiophores and conidia of Isariopsis. 



