THE RUSTS 



241 



Perhaps this outline will help: — 

 The name of the disease. 



Its abundance and the amount of damage it does. 

 The parts of the host plant most affected. 

 How it passes the winter. 

 The preventive measures used against it in your neighborhood. 



3. Press a few leaves or stalks showing each of the rusts common in 

 your locality. Mount them on pages of your booklet. 



4. Read the discussion of Grain Rusts in P'armers' Bulletin 219. 



