INDEX 



Acer spp. See Maple. 



Acid, sulphuric, production commercially from smelter e si ion .10-11 



Aesculus hippocastanum. See Chestnut, horse. 



Alder, red heart-rot, susceptibility 



white heart-rot, susceptibility \ 



Alnus incana. See Alder. 



Animals, injuries to trees j } 



Apple, slime-flux injury • . } 



red heart-rot, susceptibility 



white heart-rot, susceptibility 



Arceuthobium spp., description, propagation, and method of control [6 17 



Ash, leaf-rusts caused by fungi I<i 



mistletoe injury I .-, 



white heart-rot, cause, description, and prevention \w \~ 



rot, susceptibility 1<» 



Aspen, heart-rot, susceptibility 



white heart-rot, susceptibility 20, 27, 28, 30, 31, 32 



Atkinson, G. F., reference to work 



Bacteria, soil, conditions affecting I .; 



Balm of Gilead, white heart-rot, susceptibility 



Bark disease, chestnut, cause, ravages, and characteristics 



Beech, injury by Fomes fomentarius 50 51, 74 



Nummularia fungi 22 



sulphur gas and excessive ground water LI, 13 



sap-rot, occurrence 57 



timber, rapid decay »;:*, 



white heart-rot, susceptibility 26, 27, 28 



rot, susceptibility 



Betula spp. See Birch. 



Bibliography, forest tree diseases 



Birch, heart-rot, susceptibility , 



injury byFomes fomentarius 



leaf-rust fungus 



red heart-rot, cause and description 



sap-rot, cause and description 51 52, 7 ! 



caused by Polystictus pergamenus, occurrence 



white-rot, susceptibility 



yellow, slime-flux injury 



white heart-rot, susceptibility 



Black gum. See Gum, black. 



jack, susceptibility to sulphur-gas injury 



Blight, leaf and twig, sycamore, description, effects, and control.... 



Bordeaux mixture, control of mildews 



Borers, locust, preceding fungous growl hs 



oak, preceding fungous growths 



Broadleaf poles, posts, trees. See Poles, Posts, Tre 



149 7: 



