162 



BACTERIAL DISEASES OF PLANTS 



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FIG. 101. Blue Squaw flint corn from a field on Arlington Farm, July 16, 

 1915 (an early sort) : No. 1, slightly diseased; No. 2, badly diseased, showing white 

 top (prematurely dead male inflorescence) and dry pale leaves, due to Aplano- 

 buaer stewarti. Photo by James F. Brewer. 



