592 



DISEASES OF CULTIVATED PLANTS 



Wind spores carried by, 17. 

 Winter rot of potatoes, 180. 

 Witches' brooms of birch, 140. 



of cacao, 442. 



of cherry, 139. 



of Paulownia, 438. 



of silver fir, 327. 



Woodpeckers, 536. 



Wounds, 27. 



Xenodochus, 314. 



carbonarius, 315. 



Xylaria vaporaria, 564. 

 Xyleborus perforans, 170. 



Yellow Rattle. 



