TREATMENTS OF SEED WHEAT FOR LOOSE SMUT 
21 
In beginning the treating operation, a quantity of wheat (about 
80 pounds nearly sufficient to fill the drier when swollen was 
ted m cold water for four hours. Simultaneously, wheat from 
the lot or lots under experimentation was soaked in long, narrow, 
cheesecloth ba^rs approximately 2 inches wide [and 10 inches lon^. 
The ba^s were halt filled, to allow room for swelling. The drier 
then was almost filled with the wheat soaked in bulk, and the che s - 
rmo-regulating apparatus usei in evp?rimeats with steam treatmerrs 
cloth bags containing the grain under experimentation were buried 
in the mass so that their tops were several inches beneath the surface. 
In all cases treatment in the drier was begun by admitting steam 
through an auxiliary valve, so that the temperature of the gram was 
i gradually to the desired degree during a period of 15 minutes, 
after which the temperature was maintained by automatic thermo- 
regulation, as already described. The temperatures were maintained 
with a plus or minus variation not in excess of 0.2 : C. The duration 
