Vll 

 PAGE 



CHAPTER 7- F. E. Weiss 40 



MALFORMATIONS AND INJURIES. , 



Malformations arising as sports or by malnutrition. 

 Healing of wounds. Injuries due to lightning, frost, etc. 

 Harmful effect of smoke and fog. 



CHAPTER 8. Wilfrid Robinson 57 

 FUNGI AS A CAUSE OF DISEASE IN PLANTS. 

 Common fungi, mushrooms, toadstools and moulds. How 

 they live. Saprophytes and Parasites. The " Damping-off " 

 disease of Seedlings caused by the fungus Pythium. Life 

 Story, means of spreading and living in the soil, pre- 

 cautionary measures. 



CHAPTER Q. Wilfrid Robinson 65 

 DISEASES OF ROOTS AND TUBERS. 



Fingers-and-Toes of Turnips, Cabbages, etc. Habits and 

 life history of the fungus. Remedial treatment. u Liming " 

 of the soil, etc. Similar diseases, e.g.,, Black Scab or Wart 

 Disease of Potatoes, " Spongy Scab," etc. 



CHAPTER TO. Wilfrid Robinson 73 

 A 'DISEASE OF LEAVES, SHOOTS AND TUBERS. 



The Late-Blight disease of potatoes. Symptoms and 

 means of spreading. Diseased tubers and the wintering of 

 the fungus. Treatment of the disease, spraying and the use 

 of resistant varieties. 



CHAPTER n. Wilfrid Robinson 81 

 DISEASES OF LEAVES AND SHOOTS (contd.). 



Black-Leg or Wilt Disease of Asters. Tomato-leaf rust 

 or mould. Leiaf-blotch of Cucumber. Mildews of Roses, 

 Gooseberries, etc. 



CHAPTER 12. Wilfrid Robinson 8g 

 DISEASES OF LP;AVES (contd.). 



Rusts. The Wheat Rust. Life Story of the fungus, 

 relation to the Barberry. The Mint Rust and Hollyhock 

 Rust as examples of other Rust diseases. 



CHAPTER 13. A. D. Imrns 97 



INJURIOUS ANIMALS OTHER THAN INSECTS. 



Injurious and beneficial Animals. Birds and the need 

 for scientific investigation with reference to their food at 

 different seasons of the year. Eelworms and more especially 

 the Stem Eel worm and the Knot Root Eel worm. Pul- 

 monate Molluscs (Snails and Slugs). The Black Currant 

 Gall Mite. 



