Let Us Now Produce a 

 New Pink Daisy 



A Practical Lesson In 

 Harnessing Heredity 



AN architect, in selecting the materials for his 

 structure, sends for limestone to Bedford, 

 Indiana, or for marble to Carrara, Italy, or 

 for bricks to Haverstraw, N. Y., or for redwood 

 rustic to California. 



In the process of turning his blue print into a 

 building, he draws on the whole world — a little 

 here and a little there — for his supplies. 



So, too, in the production of a new plant on 

 which we wish to try our architectural skill, we 

 must first seek out the things with which to build. 

 Only our search will be not a search for sub- 

 stances, but a search for stored up heredities — not 

 a search for bricks or stone or lumber, but a search 



for living traits. 



***** 



The sturdy dandelions in our vacant lots, with 

 their parachute-like seed balls, reveal a structural 



[Volume I — Chapter V] 



