324 



INDEX 



Hysterium brachysporum, 117 

 laricinum, 1 17 

 macrosporum, 51, 109, 177 

 nervisequium, 108 

 Pinastri, no 



Immersion in water, Effects of, on 



timber, 214, 215 



Individual predisposition to disease, 12 

 resistance to disease, 8 

 rate of growth, 22 

 Infection, Animal agency in, 48 

 experiments, 1720, 120 

 by mycelium, 47, 120 



spores, 48, 49 

 Injuries due to fire, 300 



Phanerogams, 23 

 plants, 22 



precipitations and gales, 299 

 Mechanical, 299 



Insects, Effects of defoliation by, 218, 

 268 



may predispose to disease, 15,117 

 Intercellular growth of endophytes, 42 

 Intermediary growth, 26, 238 



tissue, 228, 266 



Intracellular growth of endophytes, 42 

 Ivy, Orobanche on, 25 



Juniperus, Gymnosporangium on, 157 

 Sabinae on, 158 

 Herpotrichia nigra on, 76 

 communis, Gymnosporangium 

 clavariaeforme on, 158 

 conicum on, 1 57 

 tremelloides on, 1 59 

 Oxycedrus, Arceuthobium on, 30 



Knots, 250 



Kiihn's contributions to plant-path- 

 ology, 3 



Laburnum, see Cytisus Laburnum 

 Lachnus exsiccator, 96 

 Larch, Casoma on, 166, 169 



Hysterium on, 117 



Polyporus on, 199, 200 



Rhizina undulata on, 125 



Aphis, 118 



Blister, 117 



Disease, 117 



in relation to moisture, 46 



pure woods, 122 

 Larix europaea, see Larch 

 Lathraea, a partial parasite, 24 

 Lead in smoke, 301 

 Leaders, Double, Removal of, 261 

 Leaf-Cast, 113 



Leaves, Natural shedding of, 225 

 Premature withering of, 297 

 Shedding of, owing to frost, 286 



Ledum palustre, Chrysomyxa on, 179 



Leguminosae, Tubercles on roots of, 39 



Letters carved in bark, 246 



Lichens on trees, 35 



Liebig's discoveries erroneously ap- 

 plied, 2 



Life, Prolongation of, by slips, 7 



Light, Effects of excessive, 298 

 restricted, 294, 298 



" Lightening" woods, Effects of, 274 



Lightning, Effects of, 302 



Lime, Nectria cinnabarina on, 96 



ditissima on, 92 

 Sphaerella on, 88 



Limits of this treatise, 5 



Linum usitatissimum, Dodder on, 34 



Liparis monacha, 218 



Litter, Consequences of removing, 

 from a wood, 5, 270 



Local predisposition to disease, 9 



Lonicera Periclymenum, Damage done 

 by, 23, 24 



Erysiphe guttata on, 70 



Loranthaceae, Partial parasitism of, 25 



Loranthus europaeus, 25, 30, 31 



Louse Wort, Partial parasitism of, 23 



Lucerne, Dodder on, 34 



Orobanche rubens on, 25 

 Rhizoctonia violacea on, 82 



Maize, Ustilago on, 68 



Mai nero, 82 



Malformation, Difficulty of defining a, 5 



Malformations induced by fungi, 51 



Maple, see Acer 



Maple, Norway, see Acer platanoides 



Meadow grasses, Ustilago Carbo on, 68 



Medullary rays contain living cells, 46 



Melampsora Ariae, 171. 



betulina, 171 



Caprearum, 171 



Carpini, 171 



epitea, 171 



Goeppertiana, 49, 161, 184 



Hartigii, 170 



mixta, 171 



Padi, 171 



populina, 165 



salicina, 170 



Sorbi, 171 



Tremulae, 164 

 Laricis, 169 

 pinitorquum, 9, 12, 166 



Vaccinii, 171 



