MCCULLOCH S CAULIFLOWER SPOT! CAUSE 



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FIG. 236. Surface and buried colonies of Bacterium maculicolum plated 

 from the New York cauliflower Three buried colonies coming to the surface. 

 Photographed by oblique transmitted light to show internal colony markings. 

 Plate made from a spot on an inoculated plant. X 10. 



