INDEX. 215 



Page. 



Wickson, niu-sery trees, injury due to crown-gall 184 



Willow, giant twig gall of, in South Africa 20 



occurrence of crown gall on 196 



Willow organism: 



Acid fast I3i 



Cultural characters 140, 141 



Flagella 131 



Gram's stain 131 



Inoculations 94 



Involution forms 131 



Isolation of 196 



Measurements 131 



Pathogenicity 142 



Spores 131 



Woodward, fruit trees and grape, injury to 184 



Wulff , raspberry gall 188 



Young tissues, greater susceptibility of 158 



Zooglceae 107 



21?. 



o 



