212 CEOWN-GALL OF PLANTS. 



Parsnip organism: Page. 



Acid fast 1^2 



Cultural characters 140, 141 



Filaments 1^2 



Flagella 132 



Gram's stain 132 



Inoculations 1^^ 



Measurements 132 



Pathogenicity 132 



Spores 132 



Pathogenicity, loss of 126, 140, 157, 165, 177 



to many families 126 



Peach, injury due to crown gall 184 



gall, Cavara's description of 16 



first proof of infectious nature 19 



isolation from 61 



Peach organism: 



Acid-fast 128 



Cultural characters 62, 63, 74, 140 



Flagella 128 



Gram's stain 128 



Inoculations 60 



Measurements 128 



Spores - 128 



Pear blight, crown-gall followed by 186 



Peptone water, growth in 147 



cane sugar with 115, 141 



dextrose with 112, 115 



glycerin with 115, 153 



lactose with 115 



maltose with 115, 142 



mannit with 115 



Physical changes in tumor 175 



Poplar gall, Brizi's work on 18 



Poplar organism: 



Acid fast 131 



Cultural characters 140, 141 



Flagella 131 



Gram's stain 131 



Inoculations "1 



Measurements 131 



Spores 131 



Potato cylinders, growth on 109 



Quantitative test of bacteria in galls 81, 193 



Quince, occurrence of crown-gall on 188 



Quince organism: 



Acid fast 130 



Cultural characters 140, 141 



Flagella 130 



Gram's stain 130 



Inoculal ions - '8 



Measuremenls 130 



Spores 1 30 



2Vl 



