Violet, Willow. 373 



appearance of the disease. Much truth undoubtedly lies in 

 these statements, and the requirements of the plants should be 

 thoroughly understood by all who attempt to grow the crop. 



Treatment. Give good culture. If the disease persists, spray 

 the plants with a good fungicide, as the Bordeaux mixture, 

 making the first application as soon as the disease appears, 

 and repeating it at intervals of two to four weeks. Destroy 

 affected leaves and plants. 



WATERMELON. 



FUNGOUS DISEASES. 



Anthracnose. This disease may be identical with the an- 

 thracnose of the BEAN, which see. 



Powdery Mildew. See under MUSKMELON. 



WEIGELIA. 

 INSECT ENEMIES. 



Four-lined Leaf -bug. See under CURRANT. 



WHEAT. 

 FUNGOUS DISEASES. 



Stinking Smut (Tilletia fceteus, Schroet. ; and T. Tritici 

 Wint.). Description. This disease causes the wheat kernels 

 to become swollen as they approach maturity. They are at 

 first green in color, but later turn grayish-brown. If a kernel 

 is crushed, it will be found to be filled with a brown powder 

 possessing a very disagreeable odor : this has been the cause of 

 the popular name of the disease. 



Treatment. See under OATS. 



Loose Smut (Ustilago Tritici, Jensen). Description. This 

 disease closely resembles the loose smut of oats. Unfortunately, 

 no practical remedies are as yet known. 



WILLOW. 

 INSECT ENEMIES. 



Willow-worm; Antiopa Butterfly (Vanessa Anliopa, Linn.). 

 Description. The adult insect hibernates during the winter. 



