Bui. 1 66, Bureau of Plant Industry, U. S. Dept. of Agriculture. 



Plate II. 













. m 





** 







? 





^JTz^^ 







• 



-~^^^^M/f^y^ 





«* 4Mk 



. 









JJftgfgK •rifAffcteJ 



U/JjS ftp 





















Fig. 1— A Water Oak Tree in a Creek-Bottom Field near Bryan, Tex. 

 Numerous bunehesof mistletoe, 2 to 3 feet in diameter, areshown at the ends of the slender branches. 



Fig. 2.— A Deformed Branch of a Hackberry Tree Which Has Been Infected by 

 Mistletoe for Ten to Twelve Years. 



The dwarfing of the branch beyond the place of infection is shown. The original mistletoe plant 

 has been destroyed, leaving a decayed snot. The young shoots of mistletoe seen are from 



adventitious buds. 



