RIVALRY OF PLANTS 167 



charmingly delicate unobtrusively artistic not 

 loud in color, but gently alluring. 



It costs money to ship oranges, so the more 

 the meat and the less the rind, the less we waste 

 in transportation charges. 



A comparison of the wild orange with the 

 cultivated fruit of our orange groves shows how 

 this fruit has adapted itself to our ideas of 

 economy. 



Lettuce in the head makes a more appetizing 

 salad than lettuce in large, sprawling leaves. 



A comparison between wild lettuce and the 

 head lettuce on our green grocer's stand shows 

 plant adaptation in a most wonderful way to our 

 tastes. 



And so with celery, and artichokes and every 

 plant that is grown for the market wild, its 

 adaptations are toward meeting wild environ- 

 ments; cultivated, its adaptations are selected 

 toward fitting itself into our routine of life. 



We have seen the price which variation costs; 

 now we begin to see the value of it. Among 

 those violets, environment the environment of 

 the present combining with heredity which is the 

 recorded environment of all the past contrived 

 to see that there were no duplicates; that each 

 violet, a little different from its mate, might, 

 through its difference, be suited to a separate 



