80 DISEASES OF DECIDUOUS FOREST TREESo 



Page. 



Gnomonia venata, cause of sycamore leaf-blight 20 



Gum, black, mistletoe injury 15 



susceptibility to sulphur-gas injury 11, 12 



red, mistletoe injury 15 



sap-rot, occurrence 57 



southern moss injury 17 



tolerance of ground water in soils 13 



"Hallimasch," root-rotting fungus, description, method of growth, and effects 



on trees 23-24 



Hartig, Robert, references to work 30, 49 



Haselhoff, E., and G. Lindau, reference to work 11 



Haywood, J. K., reference to work 10 



Heald, F. D., references to work and quotation 58, 59 



Heart-rot. See Rot, heart. 



Heartwood, resistance to decay in different species 56 



Hemlock, susceptibility to sulphur-gas injury 11, 12 



Hickory, sap-rot, occurrence 57 



susceptibility to sulphur-gas injury 11, 12 



white heart-rot, susceptibility 26 



Hicoria. See Hickory. 



pecan. See Pecan. 

 Honey mushroom. See Mushroom, honey. 



Hosts, different, susceptibility to white heart-rot 26-27 



Hydnum erinaceus, cause of white-rot, description, growth, and results 44^5, 74 



Insects causing diseases of trees 14 



Introduction to bulletin 9 



Juglans cinerea. See Butternut. 



nigra. See Walnut, black. 



Leaf-blight, sycamore, description, effects, and control measures 20 



blister fungi, injury to oak trees 21 



discoloration, caused by sulphur fumes, list of susceptible trees 11-12 



diseases caused by different fungi 18-21 



control by burning dead leaves 19, 20, 21 



spots of forest trees caused by fungi 20-21 



Lichens, injury to forest trees 18 



Lightfoot, J., statement as to uses of fungus Fomes igniarius 28 



Linden, white-rot, susceptibility 48 



Lindroth, J. I., studies on heart-rot, references to work 42, 43 



Liquidambar styraciflua. See Gum, red. 

 Liriodendron tulipifera. See Poplar, tulip. 

 Live oak. See Oak, live. 



Locust, black, disease caused by Fomes rimosus, description 45-46 



red heart-rot, susceptibility 37 



Maple, leaf-spot, description and control -' 20 



silver, mildew injury ^ 



Maples, red heart-rot, susceptibility 37 



sap-rot, occurrence - 57 



slime-flux injury 24 



susceptibility to sulphur-gas injury 11, 12 



tar-spot disease, cause, description, and control 19 



white heart-rot, susceptibility 23, 27. 31, 33, 74 



rot, susceptibility 



Mayr, IL, references to work 49, 52 



149 



