LIST OF TABLES. 



A. Tahi.es Showing Effect of Water, Hot and Cold, and of Hydrogen 

 Peroxide. 



PAGE 



35 



Table I. — Showing the effect of the systematic immersion of vineyards on the 



volume of wine produced ....--... 26 

 Table 11. — Showing the daily loss of water by absorption by the soil during 



immersion ------------ 27 



Table IH. — Showing the increase (1) in the area of submersion, (2) in the 



insecticidal treatment of French vineyards, 1880-1890 - - - - 30 

 Table IV^. — Showing the temperature at which the spores of different varieties 



of U.stilago are killed 32 



Table V. — Showing the effect of steeping seed-barley in hot water on the 



germinative capacity - - - - 34 



Table VI. — Result of steeping seed-wheat in hot water for different lengths of 



time - 34 



Table VII. — Effect of steeping seed-oats on germinative capacity - - - 35 

 Table VIII. — Effect of steeping seed-rye in hot water on germinative caps 



city ----- 



Table IX. — Inactivity of hydrogen peroxide on Puccinia uredospores - - 40 



B. Tables Showing Use and Effect of Sulphur and of Sulphdkic Acid, 



Chlorine, Hydrochloric Acid, and Arsenious AaD. 



Table X. — Proportions of sulphur and lime used in mixtures against anthrac- 



nose at different stages of treatment 52 



Table XI.— Effect of steeping seed- wheat for different lengths of time in solu- 

 tions of dilute sulphuric acid, oil of vitriol, of various strengths on its 

 germination capacity per cent 84 



Table XII. — Showing the action of dilute sulphuric acid of 0-5 per cent on the 



spores of oats and wheat ..-----.- 85 



Table XIII. — Showing the strength of dilute sulphuric acid required to kill 

 the old and young spores of Ustilago of barley, oats, and wheat respec- 

 tively, and the circumambient temperature ------ 85 



Table XIV. — Showing the action of different doses of sulfarine (Kieserite; con- 

 taining 15 per cent of sulphuric acid on the potato disease - - - 87 



Table XV. — Showing the effect on the chlorine content of forest timber in 



proximity to a hydrochloric acid works 89 



Table XVI. — Showing sensitiveness of leaves of various fruit trees to solutions 



of arsenious acid of various strengths ------- 04 



C. Tables Showing the effect of Nitrate of Soda, Muriate of Potash, 



Potassium Cyanide, and Magnesium Chloride. 



Table XVII. — Showing the effect of a 30 per cent solution A and of a 15 per 



cent solution B of nitrate of soda on different plants - . - - 108 

 Table XVIII. — Showing the action of a 30 per cent solution and a 15 per cent 



solution of potassium chloride (muriate of potash) on farm crops - - 118 

 Table XIX. — Showing the amount of potassium cyanide, water, and sulphuric 



acid to use in cyaniding trees of different height and diameter - - 133 

 Table XX. — Showing the effect of 30 per cent and 15 per cent solutions of 



magnesium chloride on plants 161 



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