INDEX 



Tooth Wort, a partial parasite, 24 

 Top-drought or Top-drying, 5, 14, 20, 



270 

 Town trees, Unhealthy condition of, 



281 

 Trametes Pini, 191 



Action of ferment of, 53 

 Mycelial growths of, 42 

 radiciperda, 186, 277 



an example of mycelial infec- 

 tion, 48 



associated with root-rot, 21 

 may pierce suberose tissues, 50 

 may spread by spores, 49 

 Transplantation in regard to frost, 14, 



15 



Trenches as a preventive measure, 57 

 Trichosphasria, an example of mycelial 



infection, 47 



parasitica, 72 

 Triticum repens, Bunt on, 68 



Damage due to, 24 

 Tsuga Mertensiana, Rhizina undulata 



on, 125 

 Tuber, 71 

 Tuberacei, 69, 71 

 Tubercularia, 89 

 Tulasne's work, 3 

 Turgescence, 288 

 Turpentine, Strasburg, 247 



Venetian, 247 

 Twigs, Shedding of, 225 

 Twitch, see Triticum repens 

 Tyloses, 228, 235, 236 



Uncinula Aceris, 70 



adunca, 70 

 Uredineas, 153 



as obligative parasites, 46 

 Uredo linearis, 155 

 Uredospores, 154 

 Urine, Effects of, on plants, 281 

 Urocystis Anemonis, 68 



Cepulae, 68 



occulta, 68 



Violas, 68 



Urtica, Dodder on, 34 

 Ustilagineae, 57, 66 

 Ustilago Carbo, 68 



destruens, 68 



Maydis, 68 



Vaccinium, Exobasidium on, 185 

 Melampsora on, 171. 185 

 Myrtillis, Sclerotinia baccarum 



on, 130 

 Oxycoccus, Sclerotinia on, 130 



uliginosum, Sclerotinia megalo- 



spora on, 130 



Vaccinium Vitis Idasa, Effects of 

 Calyptospora on, 51 

 Melampsora Goeppertiana on, 



161 

 Valsa oxystoma, 151 



Prunastri, 88 



Variation in relation to development, 5 

 Possible directions of, 12 

 probably initiated in the oosphere, 



5 



Vine, see also Grape 



Botrytis cinerea on, 130 

 Coniothyrium diplodiella, 103 

 Dematophora necatrix on, 82 

 Dodder on, 34 

 Glceosporium on, 104 

 Physalopsora Bidwellii on, 103 

 Mildew, 65 



Viscum album, 25 



Walnut, Polyporus sulphureus on, 200 

 Water, Contaminated, Effects of, 281 



Salt, Effects of, 280 



Stagnant, Effects of, 276 



in soil, 270 

 Weinstockfaule, 82 

 Wet-rot of potato, 64 

 Wheat, Bunt of, 68 



Puccinia striseformis on, 1 56 



Ustilago Carbo on, 68 



rust in relation to barberry, 9, 



155 



White piped wood, 205 

 rot of birch, 206 

 conifers, 211 

 fir and spruce, 195, 196 

 oak and beech, 203, 205 

 vine, 104 



Willkomm's pioneer work, 4 

 Willow, see also Salix 

 Dodder on, 34 

 Melampsora on, 171 

 Mildew of, 70 



Polyporus sulphureus on, 200 

 Caspian, Behaviour of, on sandy 



soil, 265 



W T ind injuring leaves of conifers, 1 1 1 

 Witches' brooms, 51 

 on alder, 133 

 birch, 135 

 hawthorn, 133 

 Prunus, 131 

 silver fir, 179 



Wood, Distinction between dead and 

 living, 46 



