362 



INDEX. 



PAGE. 

 Hallier, 



bacteria, theory regarding origin of 23 



bacterial diseases of plants, views on 14 



Halsted, 



bean- varieties susceptible to Bact. phaseoli 95 



cucurbit disease 249, 255, 299 



susceptibility, conditions favoring 189 



Harding, 



Bact. campestre, inoculations into animals 182 



black-rot of cruciferous plants 305, 306, 315, 317, 



319, 320, 321, 322, 323, 324, 326, 327, 330, 332 

 comparative studies of 40 strains of soft-rot or- 

 ganisms 88 



Harrison, 



Bacillus solanisaprus, inoculations into animals. . 182 



Bordeaux mixture, effect on foliage 201 



root-nodule organisms, Leguminosae, isolation and 



cultivation I34 



root-nodule organism, Leguminosae, morphology. 135 

 root-nodules, Leguminosae, flask-inoculations. . . . 135 

 Hartig, bacterial diseases of plants, views on. . . 10, 13, 17 

 Hartleb, 



root-noduleorganism,Leguminosae,nutrient media. 130 



root-nodules, Leguminosae, bacteroids 124 



bacteroids, formation of 1 26 



bacteroids, sporangial nature of 128 



foot and mouth disease, plants inoculated with 



bacteria of 179 



Hasselbring, mercuric chloride, disinfectant 202 



Hecke, black-rot of cruciferous plants 303, 305, 



307,308,310,311,312, 

 314. 315, 317, 319, 324. 326, 331, 332 



Hedgcock, apple gall, careless grafting 190 



Hellriegel, root-nodules, Leguminosae 99, 100 



absent in sterilized soil 104 



activity 117 



Hemicellulase 88 



Hemicelluloses 86 



Herissey, pectinase 88 



Hicks, effect of carbon bisulphide on germination of 



seeds 202 



Hiltner 114, 120 



germicidal treatment of seeds 200 



root-nodule bacteria, Leguminosae, one or more 



species 99, I ' 5 



root-nodule organism, Leguminosae, effect of 



chemicals 126 



nutrient media 130 



root-nodules, Leguminosae, 



absorption in nitrogen assimilation 128 



activity 94, 117 



bacteroids, substances injurious to 124 



dimorphism, chalky nodules 127 



enzym 118 



symbiosis in Alnus 147 



History of plant bacteriology 7 



Hitchcock, germicidal treatment of seeds 199 



Hold-over blight (pear) 67, 191 



Hop, symbiosis with bacteria 153 



Hop-gall, saprophytes in 32 



Hop glands, supposed bacteria in 153 



Host, 



effect of parasitic attack on 67 



reaction to parasite 90 



Hot water treatment of seeds 198 



Human parasites, transmission by plants 179 



Hunger, 



tomato and tobacco wilt 1 90 



tyloses due to Bact. solanacearum 91 



Hyacinth, 



soft white rot, infection 55 



Wakker's yellow disease of, 

 (See yellow disease of hyacinths ) 



Wakker's work on 7 



Hydrocyanic acid gas, insecticide 202 



PAGB. 



Hygiene of plants 188 



Hyperplasia 70, 90 



Hypertrophies 91 



Hyposulphite of soda, effect on germination of corn . 1 99 



Immune varieties 95 



Immunity 93, 95 



root-nodules, Leguminosae 116, 117 



Incubation period 64 



Infection, 



carriers of 40, 1 90 



lenticellate 63 



literature 75 



manner of 51,190 



by Bacillus amylovorus 54 



by Bacillus aroideae 51 



by Bacillus carotovorus 51 



by Bacillus phytophthorus 52 



by Bacillus tracheiphilus 52 



by Bacterium campestre 56 



by Bacterium phaseoli 62 



by Bacterium pruni 57 



by Bacterium stewarti 60 



in black spot of plum 57 



in broom-corn spot disease 62 



in carnation spot disease 62 



in cauliflower leaf-spot 63 



in cotton angular leaf-spot 62 



in Delphinium spot disease 61 



in hyacinth, soft white-rot 55 



in hyacinth, yellow disease 55 



in olive tubercle 63 



in Pelargonium leaf -spot 62 



in Pierce's walnut disease 63 



in Spieckermann's soft-rot 52 



in Stewart's sweet-corn disease 60 



in tubercular disease of the leaves of Javan 



rubiaceous plants 63 



nectarial 54 



stomatal 57 



water-pore 56 



wound 51 



Insecticides 192, 202 



formulae 205 



literature 206 



Insectivorous plants 147 



literature 154 



symbiosis with bacteria 147 



Insects, 



Bacillus amylovorus distributed by 190 



Bacillus tracheiphilus distributed by 190 



Bacterium campestre distributed by 306, 307 



Inspection of imported plants 188 



Intracellular occupation by bacteria 73, 77 



Iris rhizome rot, 



conditions favoring 189 



tissues attacked 69 



Iwanoff , cucurbit wilt 209 



Janse, 



disease of dadap trees, tissues attacked 70 



solution of lignin by bacteria 77 



Jensen, J. L., 



hot- water treatment for stinking smut 198 



Jensen, H., 



parasites, experimental production of 46 



production of resistance, experiments 96 



Johnston, coconut bud-rot, Bacillus coli 179 



Jones, D. H., 



Bacillus amylovorus isolated from aphides 190 



Bacillus amylovorus spread by scolytus 40 



Jones, L. R., 



enzym produced by B. carotovorus 81 



pectase 76 



soft-rot organisms, susceptibility to 1 89 



Jorisson, diastase, formation of 24 



Kale, black-rot 300 



