342 Diseases of Economic Plants 



the grains. It was first reported in 1882 and has of recent 

 years increased rapidly. It can be transferred easily to 

 various grasses. The secial host is not definitely known, 

 but probably is not the barberry. The rust winters mainly 

 in the uredinial stage. 



A Stripe-blight (bacteria) is recorded. 



Powdery-mildew is common but not serious. 



Anthracnose. See rye. 



