Bui. 360, U. S. Dept. of Agriculture. 



PLATE III. 



FIQ. 1. AN OPEN STAND OF YELLOW PINE HEAVILY INFECTED WITH RAZOUMOFSKYA 



CAMPYLOPODA. 



Note that some of the trees are dead and that others have very thin foliage. The structure of 

 the dead brooms is plainly shown. Some of the trees bear burls on the main trunk. The 

 young growth is seriously infected with mistletoe. 





FIG. 2. A HEAVY GENERAL INFECTION OF A 1 S-YEAR-OLD YELLOW PINE BY RAZOU- 

 MOFSKYA CAMPYLOPODA, RESULTING IN A DISTORTED AND OPEN CONDITION OF THE 



CROWN WITHOUT PRONOUNCED BROOMING. 



The natural excurrent growth of the main trunk is entirely changed. 



