Bui. 1256, U. S. Dept. of Agriculture 



Plate III 



Fig. I. — Black-Shank of Tobacco 



A disease of tobacco new in this country, at present limited to the Florida-Georgia district. 

 (Courtesy of W. B. Tisdale) 



Fig. 2. — Lightning Injury to Tobacco 



Plants on the border of spots in the field damaged by lightning usually show peculiar distortions 



and markings 



