8 



MAIZE WITH SILKS MATURING BEFORE THE TASSELS. 



silks emerged, in 9 the silks appeared on the day the first 

 pollen was shed, and in 41 silks were produced from 1 to 7 





Fig. 3. — Plant of a proterogynous variety of maize. 



days before pollen fell. The average number of days that elapsed 

 after the silks emerged before pollen was shed was 2.1. The rela- 

 tor. 107] 



