668 



INDEX 



Bacterium maculicoluni, liquefying, 



308 

 literature, 313 

 method of obtaining pure cultures 



of, 310 

 motility, 304 



sodium chloride sensitive, 306 

 strata in milk and litmus milk, 308 

 sunlight sensitive, 310, 316 

 technical description of, 304-310 

 temperature relations, 308 

 type of disease caused by, 300 

 tyrosin, 306 

 viiulence soon lost, 310 

 Bacterium malvacearum EFS. (See 



also Angular leaf-spot of cotton), 

 314 

 beans, non-infectious to, 329 

 cabbages, non-infectious to, 329 

 citrus, non-infectious to, 329 

 colonies, 329, 330, 332, 334 

 comparison with other yellow 



organisms, 329 

 contrast with Bact. phaseoli, 322, 



325 

 description of, 321, 322, 324, 325, 



326. 327 

 flagella, 325 

 gardener's hose spreads organism, 



332 

 gelatine plate colonies, 324, 335 

 geographical distribution, 317, 319 

 growth on 01 in 



agar plates, 322 



beef peptone bouillon, 327 



blood serum, 325, 336 



litmus milk, 327 



milk, 327, 337 



potato, 326 



Uschinsky's solution, 327 

 historj' of disease caused by, 314 

 infections due to wind driven rain, 



322, 337 

 inoculation experiments, 331 

 lab ferment, 322 

 literature, 339 

 maximum temperature for growth, 



327 

 means of distinguisliing, 331 

 method of infection Ki, 337 



Bacterium malvacearum, method of 



making pure cultures, 330 

 non-growth at low temperatures, 



327 

 resistant in tissues, 335 

 sensitive to drying, 36 

 sensitive to freezing, 328 

 sensitive to sunlight, 36, 326, 327 

 stomatal infections, 317 

 thermal death point, 327 

 type of infection, 317 

 tyrosin, 327, 338 

 windowed colonies, 324 

 yellow saprophytes with, 330 

 zoned colonies, 324 

 Bacterium marginale Nellie A. Brown, 



cause of lettuce spot, 36 

 Bacterium medacaginis (Sackett) EFS, 



474 

 Bacterium mori Boyer and Laml)ert 



emend. EFS. (Cause of mul- 

 berry blight), 340 

 acid sensitive, 347 

 appearance of plants infected with, 



340 

 chloroform tolerant, 348 

 cirri of, 340 

 colonies, 356, 357 

 description of, 347-351 

 flagella, 353, 354, 355 

 geographical distribution, 341 

 growth on or in 



agar streaks, 348 



beef liouillon, 348 



blood serum, 348 



Cohn's solution, 348 



litmus milk, 348 



milk, clearing of, 348 



peptone water, 349 



potato, 348 



Uschinsky's solution, fluores- 

 cent, 348 

 history of disease, 342-347 

 inoculation experiments, 351 

 involution forms, 349 

 loss of virulence in media slow, 351 

 literature, 358 

 method of isolation of pine cultures, 



351 

 nomenclature, 342-347 



