MCCULLOCH S CAULIFLOWER SPOT! CAUSE 



305 



Fig. 234. — Bacterium maculicolum: Cross-section of cauliflower inflorescence 

 (buds) showing depth of black spotting. From a pure-culture inoculation made 

 November 20, 1916, using the Florida organism. Collected and fixed December 7. 

 Slide 131055, second section, upper row. Carbol fuchsin stain. 16 mm., 4 oc. 

 50 bellows. 



20 



