INDEX 



33i 



Wood, " Wound," 230, 231 

 balls on the beech, 239 

 Works, Early, on plant-diseases, 2, 



3, 4 

 Wound-rot, 236, 244, 247, 257, 262, 



295 

 Wounds, 225 



Agencies that produce, 50 



Effects of, on wood, 232 



General treatment of, 237 



Natural, 225 



Ring, 249 



Varieties of, 241 



Wounds, due to crushing, 246 



resin-collecting, 247 

 predispose to disease, 15 

 Wurzelpilz, 82 



Yellow-piped wood, 205 

 Rattle, see Rhinanthus 



Zea, see Maize 

 Zinc in smoke, 301 

 Zoogonidia of Peronosporea?, 58 

 Zygomycetes, 57 

 Zygospores, 42 



THE END 



RICHARD CLAY AND SONS, LIMITED, LONDON AND BUNGAY. 



