"Witch's Broom" on 

 107. 



on willows, 134. 

 Woburn mixture, 209. 

 Woburn, trees at, 128. 

 Wood ashes, 20. 



covering for holes in trunk, 



22. 



Wood leopard moth, 63. 

 Woodbine on trees, 113. 

 Wooden supports to trees, 42. 

 Woodpecker, 150. 



INDEX 



birch, 



215 



Woolly aphis or American 



blight, 161. 

 Wounds, attending to, 19. 



Xestobium tessellatum, 137. 

 Yew, notes on, 201. 



Zeuzera asculi, 63, 1 18, 164. 

 Zinc for covering holes in tree 



trunks, 17, 205. 

 paint for wounds, 205. 



