xvi TABLE OF CONTENTS 



SECTION II. WOUNDS. 



I'AGE 



Healing and Production of New Tissues Epidermis, Periderm, 

 Phellogen, Bark, Cortex, Phelloderm, " Wound Cork/' Tyloses, 

 Intermediary Tissue, Occlusion of Wounds, " Wound. Wood," 

 Cinchona Culture, Effects of Pressure, Resin, Wound-rot, 

 Treatment of Wounds, Preventitious and Adventitious Buds, 

 Spheroblasts, Dwarf Shoots, Dormant Eyes, Root Suckers . . 225 



The various kinds of Wounds Barking by Game, Mice, 

 Cattle, &c., Wounds due to Crushing and Collection of Resin, 

 Ring Wounds, Pruning, Shortening Branches, Removing 

 double Leaders, Coppicing, Injuries to Roots, Propagation by 

 Cuttings and Grafts, Defoliation by Insects 241 



SECTION III. DISEASES DUE TO CONDITIONS OF SOIL. 



Soil in relation to Water and Plant Food Stag-headed or top- 

 dry condition, Premature Ripening of Cereals, Rupturing of 

 the Cortex of Trees 270 



Circulation of Air in Soil Root-rot 275 



Plant Poisons Sea-water, Contaminated Water, Carbonic Acid 



Gas, Coal Gas 279 



SECTION IV. INJURIES DUE TO ATMOSPHERIC IN- 

 FLUENCES AND FIRE. 



Frost, Bark-scorching, Sun-cracks, Deficiency of Light, Hail, 



Snow, Wind, Fire, Smoke, Lightning 282 



Classified List of Diseases 305 



INDEX 3i; 



