:o8 



Minnesota Plant Diseases. 



FIG. 155. Storage organs or ergots of ergot fungi on various grasses. 1. Commercial ergot 

 from rye. 2. On canary grass. 3. On wild rice. 4. On quack grass. 5. On a reed 

 grass (Calamagrcstis). The size and shape of the grass grains can be seen in each 

 case, except in the rye. Original. 



