Plate II. roots of peach trees from the crown-gall experiment 



The condition of most of the roots at the time of setting is shown in Plate T, and a record of behavior 

 previous to digging is given in table 2. In cases in which the original gall has disappeared, its location 

 is outhned with chalk 



1, Tree A-4. Removed September 1, 1915, because of winter injury. Gall apparently inactive 



2, Tree A-11, Eemcved October 11, 1916. because of crowding. Crown considerably enlarged and 

 several small galls, but tree apparently in good condition 



3, Tree E-16. Removed September 1, 1915. A small gall at base of root issuing from near bottom of 

 original gall 



4, Tree A-18. Removed September 1, 1915, because of -winter injury 



5, Tree F-5. Removed September 1, 1915, because of frost injury. Gall disappeared, and no indication 

 that it could have been a factor in decline of tree 



6, Tree F-S. Removed September 1, 1915, because of injury by frost and borers 



7, Tree G-11. Removed September 1, 1915. because of severe injury by frost and borers 



8, Tree C-18, Removed September 1, 1915. Original gall disappeared 



9, Tree C-16. Removed September 1, 1915. Original gall disappeared. Three new galls have appeared, 

 two of which show clearly in the photograph 



