XIV CONTENTS. 



CHAPTER XII. 



DISEASES. 



Mildew in the earliest Ages 217 



Discovery of its nature 218 



Different species 219 



Dampness favorable to its growth 222 



Three ways to resist Mildew 223 



Guarding against attack 223 



Deficiency of Potash a cause 224 



Sudden Changes 225 



Microscopic appearance of Mildew 226 



Mildew cannot exist upon healthy foliage 228 



Protection of Overhang-ing Cornice 230 



Effect of Dew and Rain 232 



Uniform Temperature of Kelly's Island 233 



Copings and Projecting Cornices 234 



Free Circulation of Air 235 



Destroying the Fungus 236 



Salt as a remedy 237 



Sulphur more certain 238 



Modes of application . . . . N 239 



M. Newbert's remedy 240 



Effect of Sulphurous Gas 241 



A Direct Poison to the Fungus 242 



Sulphur in solution more powerful 243 



Strength of the solution 244 



Sulphur, Preventive of Black Rot 245 



CHAPTER XIII. 



INSECTS INJURIOUS TO THE VINE. 



Importance of guarding against . 247 



The Rose-chafer 248 



The Flee-beetle 251 



Spotted Pelindota 253 



Anomala Varians 253 



Thrip or Vine-hopper 254 



Remedies for the Thrip . , 256 



Vine-scale 257 



Mealy-bug 258 



Gallf 259 



Red Spider 260 



Sphinx Caterpillars 261 



