151 



Table 9. 



Example V. 



(fig. 



Length of wheat ears. 

 10.) 



Numb. 



Frequ. 



z by 

 tab. II. 



20.5 



30.5 



40 5 



50.5 



60.5 



70.5 



80.5 



90,5 



100.5 



110.5 



120.5 



130.5 



140.5 



Total 



28 0.075 

 101 .272 



30 

 15 



.081 

 .040 



26 .070 

 24 .065 



0.075 

 .272 

 .081 

 .046 

 .050 

 .074 

 ,106 

 .150 

 .100 

 .038 

 .005 

 .003 



0.1 



by tab. 12. 



372 



