170 Studies in Bacteriosis 



in size the two organisms appeared to be the same, the cultural and 

 physiological features agreed very closely and one has no hesitation in 

 ascribing the disease of violets to that omnivorous organism Bacillus 

 carotovorus. 



In the first instance the diseased plants were submitted to the Royal 

 Horticultural Society's laboratory at Wisley, where the bacterial origin 

 of the disease was suspected by Mr W. J. Dowson, who referred the 

 matter for further investigation to Dr S. G. Paine to whom the author 

 is indebted for his constant help throughout the work. 



{Received Nov. Uth, 1921.) 



