CONTENTS ix 



BACTERIA 



PAGES 



Nature of Bacteria Groups of Bacteria Nitrification induced 



by Bacteria, .' 30-31 



FUNGICIDES 



Nature of Fungicides Solutions Powders Bordeaux 

 mixture Ammoniacal solution of copper carbonate 

 Potassium sulphide solution Iron sulphide solution 

 Permanganate of potash solution Sulphur Lime 

 Resin wash Jensen's hot-water treatment for wheat and 

 oat smut Paraffin Formalin Lysol Resin compound 

 Fumigation with hydrocyanic acid gas Sterilising soil 

 Poisonous properties of fungicides, .... 31-47 



ECONOMIC CONSIDERATIONS 



Statistics relating to losses caused by grain rust in Prussia 

 Loss through rust of wheat in Australia Destruction of 

 vineyards in the United States caused by fungi, . . 47-5 1 



SPRAYING 



Various methods of spraying Spraying apparatus, . . 51-53 



FUNGOUS PARASITES 



Descriptions, with preventive and curative methods, of the 

 various kinds of parasitic fungi attacking plants of 

 economic importance, . - . .. . . . 53-334 



MYXOGASTRES 



Description of the diseases popularly known as ' Finger-and- 



toe ' and Brunissure, 334-338 



