.MISCELLANEOUS: TUMORS IN ABSENCE OF PARASITES 503 



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FIG. 378. A. Cauliflower leaf showing slight sub-stomatal injury preceding 

 acetic acid tumors: Time, 48 hours. Slide 1416, No. 23. Acid fuchsin stain. 

 X 130. 



B. Same as A but after 6 days. Here a minimum of acid entered judging 

 from small size of tumor. Slide 1420, No. 1. Acid fuchsin stain. 



