300 



INDEX. 



Page. 

 Phytophthora infestans, 



French disease of potato (Delacroix) 215 



losses caused by 202 



Phytophthora nicotianae, effect on outbreak of Dutch 



East Indian bacterial disease of tomatoes. . . 210 



Pith-rot of tobacco 266, 270 



(See Bacillus putrifaciens putridus; Tobacco, wilt dis- 

 eases, French disease.) 



Plantain, Rorer's Trinidad disease 170 



(See also B. musae; Banana, Rorer's Trinidad disease.) 



inoculations 1 70, 1 7 1 



isolation of parasite 170 



literature 173 



signs of disease 170 



varieties attacked 170 



Pokkah-bong of sugar-cane 3, 81 



(See Sugar-cane, Pokkah-bong. J 



Polvillo of sugar-cane 3, 85 



(See Sugar-cane, Polvillo.) 

 Potato, 



African disease 214 



Australian disease 207 



"black-leg," resemblance to brown-rot 1 75 



brown-rot, 



(See Solanaceae, brown-rot.) 



English disease 216 



French disease 214 



German ring disease 166, 215 



(See also Solanaceae, brown-rot, ring disease of potato, 

 Germany.) 



Malay States disease 211 



New South Wales diseases 207 



New Zealand disease 207 



ring disease, Germany 166, 215 



(See also Solanaceae, brown-rot, ring disease of potato, 

 Germany.) 



ring disease, Mysore 212 



(See also Solanaceae, brown-rot, ring disease of potato, 

 Mysore.) 



Russian disease 214 



Schuster's German rot 272 



(See also Bacterium xanthochlorum.) 



blackening of tissues 272, 274 



description of diseased, 



lupins 274 



Physalis 274 



potato-tubers 272 



Vicia faba 272, 274 



incubation period 274 



inoculations. (See Bact. xanthocblorum.) 



isolation of parasite 272 



literature 276 



odor of rotted tubers 272 



parts of plant attacked 272 



Schuster's observations 272 



stomatal infection (Vicia faba) 272 



rapidity of 274 



tissues attacked 272, 274, 276 



tubers, diseased, appearance 272 



Spieckermann's German disease 166 



analyses oftubers, stems, etc 167 



Aplanobacter michiganense, suspected cause. . . . 164 



bacteria in diseased plants 166 



Bacterium solanacearum, not cause of 167 



brown rot of Solanaceae, relation to 167 



cause of 1 67 



diseased stems, microscopical appearance 166 



diseased tubers, bacteria in vessels 166 



diseased tubers, vascular ring, appearance of . . . 166 



dissimilarity to Appel's ring disease 167 



eyes of the tuber, blackening of 167 



Fusarium, secondary infection 166 



germination, effect on 167 



inoculations 167 



literature 167 



Pagb. 

 Potato continued. 



Spieckermann's German disease continued. 



parasite, cultural characteristics 167 



description of 167 



Gram's stain 167 



optimum temperature 167 



slow growth on media 167 



progress of disease 166 



signs of disease 1 66 



similarity to Grand Rapids tomato disease. ... 164 



slow softening of parenchyma in 166 



softening of vascular ring 166 



staining of vascular ring 166, 167 



tissues attacked 166 



tomatoes, occurrence on 167 



varieties, many susceptible 167 



vascular ring, effect on 166, 167 



vessels occupied by bacteria 166 



viscid organism cause of 167 



wet-rot 166 



yellow bacteria cause of 167 



Potato-rot 1 74 



(See Solanaceae, brown rot; Bacterium solanacearum.) 

 Potato-rots, 



causes 203 



recent great advance in knowledge of 203 



Prillieux, Bacillus caulivorus 175 



Prinsen-Geerligs, 



Sereh, geographical distribution 78 



sugar-cane, cellulose, oxidizable substance in ... . 16 

 Pseudomonas, 



amaranthi . 148 



(See Bact. amaranthi.) 



sesami 218 



solanacearum 178 



(See Bacterium solanacearum.) 



sp., isolated from ring-disease of potato 166 



stewarti 132 



(See Bact. stewarti.) 



vascularum. (See Bacterium vascularum.) 



Raciborski, tobacco-wilt, Dutch East Indies, cause . . 222 



Rasa of tobacco 267 



(See Tobacco, wilt-diseases, Indian disease.) 



Rathay's disease of orchard grass 155 



(See Orchard grass, Rathay's disease, and Aplanobacter 

 rathayi.) 



Ratoon-cane, nature of 6 



Ravn, Rathay's disease of orchard grass 157 



Ring disease of potato 



(See also Solanaceae, brown rot, ring disease of potato, 

 Germany.) 



Germany 166, 215 



Mysore 212 



(See also Solanaceae, brown rot, ring disease of potato, 

 Mysore.) 



Rolfs, P. H., brown rot of Solanaceae 205 



Rorer, 



Panama disease of banana 173 



Surinam disease of banana 173 



Trinidad disease of bananas and plantains 170 



Rose, blight of young shoots 154 



Russian disease of potato 214 



Russian disease of tobacco 265, 270 



(See Tobacco, wilt-diseases, Russian disease.) 



Sackett, tobacco wilt, North Carolina 227 



Schreiber, spore-formation, relation of medium to 247 



Schuster's German potato rot 272 



(See potato, Schuster's German rot.) 



Schwarzbeinigkeit, resemblance to brown-rot 175 



Selby, brown rot of Solanaceae 205 



Septogloeum arachidis 15 l 



Sereh disease of sugar cane 3, 52, 73 



(See Sugar-cane. Sereh.) 



Sesamum, bacteriosis of 216 



(See also Solanaceae, brown rot, Sesamum bacteriosis.) 



