196 
r. 8S. T. Wright, the following varieties were found to be 
attacked on the wood, Madame Ravary, La Tosca, Mrs. David 
The last named* is an. Austrian Briar—tea ybrid, and it 
apparently inherits from the Austrian Briar a great tendency to 
black blotch. 
With regard to spraying, liver of sulphur has been recom- 
This was probably partly due to its being applied late in the 
season, when the fungus had obtained a firm hold on the 
Experimental work on spraying has been carried out in America, 
Mr. L 
dusted eight times during the season. The next most effective 
0 
sulphur, but both of these much disfioured the trees. 
celium continues to grow between the tissues and the blotches 
mevitably follow. To keep the bushes absolutely clean it will, 
eof ce ee es Dotoole! won dale pei ta th oe 
* Since the above was written infected leaves which had remained green 
throughout the ge have been observed on various kinds of roses bearing 
abu ja. e collecting and burni reg 
therefore, a valuable control wieastiie. rq urning of such leaves rema. 
