Some Experiments of Luther Burbank 



favoring conditions. Exceptions seem to be as 

 important as the rules in this work. Nature 

 leaves so many loopholes that there is almost no 

 rule without exceptions. She does not tie herself 

 up to any unvarying conditions. Adaptability is 

 more important than perseverance." 



A blackberry plant with an immense mass of 

 fruit developed from a seedling from the Himal- 

 ayas. One plant covers 150 square feet, is 8 feet 

 high, and has a bushel or more of fruit. This is 

 only a young small plant; when full grown this 

 variety is many times larger. 



A purple larkspur reared by Mr. Burbank is 

 produced by crossing a native blue with a native 

 scarlet, the color being entirely a blend. The 

 blackberry was crossed with apples and with all 

 the various rosaceous plants. Over five thousand 

 plants were produced. The apple-blackberry cross 

 came out essentially apples in foliage and growth, 

 though raised from blackberry seeds. Only two 

 of them ever bloomed, all were thor^nless, one of 

 them bearing rose-colored flowers. From the 



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