204 CEOWN-GALL OF PLANTS. 



Apple hairy-root organism : Page. 



Acid fast 129 



Cultural characters 140 



Flagella 129 



Gram's stain 129 



Inoculations 101 



Measurements 129 



Relation to crown-gall 100, 157 



Spores 129 



Arbutus unedo, occurrence of crown-gall on 196 



Arbutus unedo organism: 



Acid-fast 130 



Cultural characters 140 



Flagella 130 



Gram's stain 130 



Inoculations with 53 



Isolation of 196 



Measurements 130 



Spores 130 



Asparagin in river water, growth in 153 



Bacillus ampelopsorse 14, 15 



amylovorus admitted through crown-gall 176, 186 



populi 18 



Bacteria in galls, location of 23, 101 



multiplication of 167 



probable condition of 167 



quantitative test for 81, 193 



small number of 168 



Bacteria in tissues, discovery of 22 



location of 164 



staining, difficulty of 167, 170 



Bacterium beticolum, cultural characters of 194 



description of 194 



Bacterium tumefaciens from daisy, description of 105, 128 



See also Daisy, Bacterium tumefaciens from. 



Barden, on crown-gall of apple trees 187 



Beef broths, acid, growth in 112, 117, 119, 143 



alkaline, growth in 112, 117, 119, 143 



nutrient, growth in Ill) 141 



Beet, occurrence of crown-gall on 191 



tuberculosis of 194 



Beet gall, ascribed to nematodes 18 



attributed to mites 18 



chemical analysis of 173 



isolation from 81, 194 



names applied to 1° 



quantitative test for bacteria in 81 



Beet organism: 



Acid-fast 131 



Cultural characters 14" 



Flagella 131 



Gram's stam ^"'^ 



Inoculations 80 



213 



