Bacterium mori, non-liquefying, 348 

 non-nitrate reducing, 347 

 pseudozoogloeaj formed, 349 

 thermal death point, 349 

 sensitive to sunlight, 349 

 sodium chlorid tolerant, 349 

 tyloses due to, 477 

 yellow saprophytes with, 342 

 Bacterium phaseoli EFS. (See also 



Bean blight.) 

 appearance of tissues inoculated 



with, 282 

 bean varieties resistant to, 289, 



290, 291, 292 

 behavior in milk cultures, 293 

 cause of bean blight, 280, 285 

 colonies of, 296, 298 

 contrasted with Bact. malvacea- 



rum, 285, 287 

 description of, 285 287 

 distortions due to, 282, 284 

 factors favoring infection, 13, 289 

 flagella, 285, 294 

 freezing, effect of, 293 

 geographical distribution, 284 

 growth in bean plant, 282, 284 

 growth in various media, 285, 287 

 inoculation experiments, 288 

 lab ferment, 285 

 liquefying, 285 

 literature, 299 

 method of obtaining pure cultures, 



287 

 non-infectious to cabbage, 287 

 non-infectious to citrus, 287 

 resemblance to other yellow species 



of Bacterium, 287 

 resists drying, 285 

 starch destroyed by, 292 

 sunlight, effect of, 295 

 temperature relations, 285, 287, 



294 

 treatment of plants inoculated 



with, 290 

 virulence persists, 287 

 winters over on seeds, 296, 297 

 zoned colonies, 285, 324 

 Bacterium oleae Archangeli, 343, 394 

 Bacterium pisi (Sackett) EFS, 474 

 Bacterium pruni EFS, 287, 329 



Bacterium pruni, cause of black spot 



and canker of plimi and peach, 



13, 473 

 method of infection, 16 

 most susceptible age of host, 8, 10 

 Bacterium savastanoi EFS. (See also 



Olive tubercle) 

 acids formed, 400, 401 

 aerobic, 400 

 appearance of infected olive trees, 



389 

 appearance of tissues infected with, 



391 

 chloroform tolerant, 397 

 colonies of, 402, 403, 405, 407, 



408 

 (■ultural characters of, 396 

 dwarfing of infected olive shoots, 



49, 392 

 flagella, 396, 401 

 formation of crystals in Cohn's 



solution, 407 

 growth on or in 



agar plates, 397 



beef bouillon, 401 



Cohn's solution, 403 



Dunham's solution, 403 



gelatin plates, 398 



litmus milk (blued), 398 



milk cleared, 398 



potato, 398 



T'schinsky's solution, 401 



Winogradsky's solution, 403 

 history of nomenclature, 394 

 inoculation experiments, 404 

 literature, 411 

 loss of virulence on media not 



rapid, 404 

 maximum temperature for growth, 



399 

 Merck's peptone harmful to, 401 

 method of infection, 15, 389 

 method of isolating from diseased 



tissues, 404 

 methods of staining, 399 

 non-liquefying, 396 

 non-nitrate reducing, 396 

 plants susceptible to, 394 

 thermal death point of, 400 

 transmission of, 21, 410 



