io8 



Minnesota Plant Diseases. 



r ic. 15o. 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 (Calamagrostis). The size and shape of the grass grains can be seen in each 

 case, except in the rye. Original. 



