PLATE 4 
A. —^The Blue Damson plum branch into which rosetted peach buds were inserted 
Jime 19, 1920. Note the rosetted and mottled plum leaves just below the; rosetted 
peadi shoots. * 
B. ~The peach seedling which was infected with rosette throug^i a Blue Damson 
plum branch inoculated with buds from a rosetted peach, l^e arrow at rfipws 
the point on the peach stock from which the plum branch' gre^r fmm a healthy 
bud mserted in 1919. The arrow at 6, shows the location of thO embedded copper wire 
above which the causal entity of rosette did not go. Note the condiftion August 20, 
1920, with the leaves and fruits driveled and dying. 
C. —One of the wild Chickasaw plmn trees into which rosetted Mayflower peach 
buds were inserted ^ptember 22, 1920. Note the stunted growth and the rosetted 
condition of this plum tree on September 2, 1921. 
