-35- 



temperature-growth relations shovm by these tests will be 

 considered/, 8 s though the cultures had all been carried out 

 with exactly the same medium. The average growth index for 

 each of the seven temperatures, was calculated treating all 

 of the 126 solutions as if they had been quite the same, and 

 these temperature-growth indices v/ere employed as the basis 

 for a study of the relation of temperature to shoot grov/th 0^ 

 shovm in these tests. 



