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Landscape Gardening 



adhering to the sticky exudations made by the insects 

 deposited upon them, and from a black fungous growth 



similar to that found in the exudations of the pear-tree 



Psylla in our pear orchards. The leaves were also of a 



sickly yellow color and the trees made a very small growth. 



Remedy— It has been found to be destroyed by the kero- 



