PLATE III. 



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V\g. 1. — Showing the effect of Uspulun on the germination and growth of the hulled varieties of 

 oats. Apparently, there is no stimulative or retarding effecting due to the treatment. — A. 

 Banner, treated. — B. Banner control. — C. O.A.C. treated. —D. O.A.C. control. — E. Alaska, 

 treated. — F. Alaska control. 



Fig 2. — Comparison of the effects of different smut treatments. The different sets of seeds were 

 planted in soil, as shown. — A. Liberty oats treated with Uspulun. — B. Liberty oats, treated 

 with copper carbonate. — ('. Liberty oats, control, untreated. -D. Liberty oats treated by the 

 formalin dip method. 



Fig. 3. — Showing the root systems of the sets of seeds in Fig. 2. — A. Liberty oats treated with 

 Uspulun. — B. Liberty oats treated with copper carbonate.^ — C. Liberty oats, control, untrea- 

 ted. 



