THE PLAN BOOKS 



its ancestry showing how and when its parents 

 were bred and their names and those of their 

 own forbears. So it goes throughout the 

 whole life history of a given plant, be it 

 berry or flower or tree or vine. All the facts 

 are accompanied by dates, nothing is left 

 to conjecture. 



Generally the field record is transferred 

 to the regular plan book, sometimes the 

 information is preserved in its original form 

 and placed between the leaves of the plan 

 book, which holds many such loose sheets. 

 A whole page in the plan book may contain 

 data as to one test, sometimes continued to 

 another page. The book for the Sebastopol 

 tests is a large ledger nearly two feet in 

 length. Any one of the pages containing 

 data as to a given test is curiously interesting. 

 It is covered from top to bottom with 

 writing, dates and diagrams. These diagrams, 

 or it may be mere ellipses or circles to enclose 

 certain related facts, are usually drawn in 

 red ink in the midst of the text. They may 

 run out into the margin of the book, or they 

 may be in the body of the page. They are 

 irregular in form and location. They are, how- 



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