Bui. 29, Bureau of Plant Industry, U. S. Dept of Agriculture. 



Plate III. 





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V;\?-^r 







^V, 



r^ 



.X 



Nat. Size. 







BROWN ROT OF THE TURNIP. 

 PSEUDOMONAS CAMPESTRIS (PAMMEL) SMITH. 



HELIOTYPE CO., BOSTON. 



