TWENTY-THREE POTATO 



SEEDS AND WHAT 



THEY TAUGHT 



A Glimpse at the Influence of 

 Heredity 



THE springtime buds unfold into leaves 

 before our eyes — without our seeing them 

 unfold. We have grown accustomed to 

 look for bare limbs in March ; to find them hidden 

 by heavy foliage in May; and because the process 

 is slow, and because it goes on always, every- 

 where about us, we are apt to count it common- 

 place. 



Just as we can understand that the tree in our 

 yard, responding to its environment — to the 

 April showers, to the warm noons of May, to the 

 heat of summer and to the final chill of fall — has 

 completed a transformation in a year, so, too, 

 can we more easily understand the gradual trans- 

 formation of the cactus in an age. We can also 

 realize that the individual steps between the first 

 ineffectual hairy protuberance, and the final 



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