40 
.A ebraska Ac/vicidtiivcil Exp. Station , Resecivch Bat. 20 
Fro. 11. — Life of pollen. The number of hours elapsing under rather favorable conditions between the 
time of gathering and the time of applying pollen is shown by the figures beneath each group of 
ten ears. The life of pollen varies under different conditions, commonly being of shorter duration 
in the Held than is here indicated. 
