HOUSE-BLIGHT OF THE MELON. 



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the leaves. These patches soon become dead, dry and 

 translucent, and are often very numerous, as seen on 

 the upper leaf in the picture. Finally the leaf wilts and 



79. House-blight of melon. The upber leaf just showing the at- 

 tack (in the spots), the lower one dead as it hangs on the vine. 



