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 t 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. 



