ON DAISIES 



factors for pigmentation or the presence of two or 

 more conflicting pigments that neutralize each 

 other. 



In another connection we shall discuss a theory 

 as to the way in which the various colors, as 

 utilized by the flowers, were introduced, and the 

 significance of their various blendings. 



— We shall find reason to 

 believe that even the white 

 flower is not, as a rule, white 

 because it lacks the factors 

 for color pigmentation, but 

 because it mingles these fac- 

 tors in such a way that they 

 mutually antagonize, or neu- 

 tralize, or mask one another. 



