178 



BOTANICAL GAZETTE 



[march 



occur at 78 and 79 , there appears a marked agreement in the 



data and the points representing the experimental data approxi- 



n for 



mate a smooth curve. Table II shows the value of Q* 

 experimental temperatures as calculated by formula 2. 

 tables II-IV partial germination is represented by the figur 

 parentheses. 



In 



ea,ooa 



Fig. 3 



Table III shows the found and calculated data for wheat with 

 9 per cent moisture. The calculated temperatures were obtained 

 by the same method as those in table II, and here as before there 

 is a close agreement between the theoretical and observed values. 



express 



time-temperature 



Practically all of the points representing 



smooth 



Table III shows 



Q I0 for experimental temperatures as calculated bj 



formula 







