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unsprayed trees, which were badly affected with the rust. The trees 

 sprayed with the copper solution were not as badly affected as those 

 unsprayed. 



TREATMENT FOU 1893. 



1. Spray the lower branches thoroughly with the copper sulphate 

 solution, formula a, before the leaves unfold. 



2. About July 1st spray with the Bordeaux mixture and repeat 

 the spraying at intervals of from two to three weeks according to 

 the weather until Sept. 15th. If it be warm and moist, at the shorter 

 interval and if clear and dry, the longer one, 



3. We would also suggest the same treatment for the European 

 Linden, which, in some sections, is subject to a similar disease. 



