24 



Minnesota Plant Diseases. 



Fig. 10. — Various of the most common kinds of fruiting bodies of fungi, 1. Birds-nest 

 fungus. 2. A gill fungus. 3. Caterpillar fungus, one on grub and other on fly. 4. 

 Club fungus. 6. Carrion fungus. 6. Pore fungus. 7. A morel. 8. Puff-ball. 9. Truffle. 

 10. Cup fungus. 11. Sac-spore-capsulc of powdery mildew (highly magnified). 1-8. 

 After Engler and Prantl; 10, After Rehm; 9 and l"", after Tulasne. 



