318 



The Principles of Fruit-growing. 



flower becomes prominently discolored or almost black. 

 Fig. 50 shows a fresh or live bud at a, and a killed 

 bud at 6 and c. When only the pistil is killed, un- 

 trained eyes may not detect the injury. The general 

 run of examinations made of buds by farmers, to de- 

 termine if there is winter -in jury, are of little conse- 



Showing structure of peach buds. 



quence. Except in very pronounced instances, the 

 only reliable examination is one which is made under 

 a dissecting microscope. 



Halsted* makes some good observations in this 

 direction : " Longitudinal sections through the buds 

 show something of what has taken place in the pre- 



* Kept. New Jersey Exp. Sta., 1890, U'JT; also Ai 



