CON T E X T S 



Page. 



Introduction -, ' ' 



Causae of the calla rot ^2 



General appearance of the disease 1-^ 



Effect of the organism on the calla ^^ 



Morphological characters of the organism ^^ 



Physiological characters of the organism K' 



Nutrient media ^^ 



Beef broth 17 



Agar jilate cultures 1" 



Agar streak cultures 1^ 



Agar stab cultures 1^ 



Beef agar, with iron sulphate 1^ 



Gelatin stab cultures 1^ 



Egg albumen 1" 



Milk 19 



Litmus milk 1^ 



' Litmus milk in nitrogen 20 



Uschinsky's solution ^^ 



Dunham's solution 21 



Dunham's solution, with acid fuchsin 21 



Dunham's solution, with in(hgo-carmine 21 



Peptone solution, with rosulic acid 21 



Dunham's solution, with methylene blue 21 



Steamed potato cylinders 22 



Raw p<jtato 22 



Raw eggplant 23 



Raw cauliflower 23 



Raw radish 24 



Raw cucumbers, slice<l 24 



Raw cucumbers, whole , 24 



Raw green peppers 26 



Raw mature onion bulbs 26 



Raw yoiing onions 26 



Raw pieplant 27 



Raw cabbage -' 



Raw parsnips 27 



Raw carrots 28 



Raw turnips 28 



Raw salsify 28 



Raw tomatoes, ripe 29 



Raw tomatoes, green 29 



Raw apples (York Imperial) 29 



Raw pineapples ^^ 



Raw yellow bananas ^^ 



I 



