146 



Missouri Agricultural Report. 



that can be modified by selection. The summarized data of these 

 experiments is given in the following table: 



AVERAGE ANGLE OF DECLINATION FROM THE STALK. 



Year. 



Erect Ears 

 crop. 



Declining 

 Ears crop. 



Difference 

 between crops. 



1904 

 1905 

 1906 

 1907 

 1908 



42.0° 

 62.2° 

 49.5° 

 42.3° 

 46.0° 



45.° 



117.1° 



76.2° 



81.6° 



88.5° 



3.0° 

 54.9° 

 26.7° 

 39.3° 

 42.5° 



Figure 16. — Ripe antlrers bursting open and pollen grauis escaping. (Greatly magnified.) 



