36 



INDEX. 



Page. 

 Sugar-cane, Sereh disease of continued. 



secondary Sereh 74 



shining, colorless, yellowish or red drops 74 



shoots, abnormal production of 73. 75 



shortening of internodes 73 



sieve-tubes, plugging of 74 



signs of disease 73. 7 6 



slime, yellow, in vascular bundles 74 



soil-conditions, effect 75 



Soltwedel's observations 73. 74. 75. 78 



spread of the disease 78 



sprouting of buds below ground 73 



starch in diseased canes 75 



stooling, abnormally strong 73 



striping 73 



susceptible varieties 76 



time of appearance of disease 73 



transmissible Sereh 74 



transmission through cuttings 73 



Treub's observations 75 



Tschirch's observations 73 



Tylenchus sacchari 75. 77 



Valeton's observations 17, 52, 72, 73, 74, 75 



vascular bundles, gumming of 73. 74. 75 



Wakker's observations 52, 73. 75. 77 



water, lack of, effect 75. 77. 78 



weather conditions, effect 75. 77 



Went's observations 52, 72, 73, 75, 76, 77 



yellow gum in vascular bundles 74 



yellow slime in vascular bundles 74 



Zeijlstra's observations 75. 78 



Sugar=cane, top=rot 3. 81 



(See also sugar-cane, Pokkah-bong.) 



Bacillus subtilis isolated from 83 



Bacillus vascularum (?) isolated from 83, 84 



bacteria, isolation 83 



bacteria in diseased tissues 82, 83 



cavities 81 



Cobb's disease, points of difference 82 



etiology, theory regarding 84 



glassy appearance of stem 81, 82 



growing-point, effect on 81, 82 



gum 82 



absence of bacteria in 82 



infectious nature 84 



inoculation experiments 83 



isolation of bacteria 83 



leaves, effect on 81 



literature 84 



Micrococcus, sp isolated 83 



microscopic appearance 82 



odor 81 



preventive measures 84 



red gum 82 



red border-line 81, 82 



signs of disease 81 



sprouting of buds 81 



stem, disorganization 81 



susceptible varieties 8i 



lime of appearance 81 



vessels, gum in 82 



Wakker's observations 81 



weather conditions, effect 84 



yellow disease of hyacinths, comparison with ... 83 



Sumatran slime-disease of tobacco 220, 222 



[See Bacterium solanacearum (.Sumatran tobacco-wilt 

 organism); Tobacco, wilt-diseases, Dutch East 

 Indian disease; Tobacco, wilt-diseases, Honing's 

 Sumatran studies.] 

 Sumatran tobacco-wilt organism, American studies. [See 

 Bac-t. solanacearum (Sumatran tobacco-wilt or- 

 ganism).] 

 Suniati;m tobacco-wilt organism, Honing's studies. [See 

 Bact. solanacearum (Sumatran tobacco-wilt or- 

 ganism).] 



Page. 



Sweet corn, bacterial disease 89 



(See Bacterium stewarti; Corn, Stewart's bacterial 

 disease.) 



Stewart's disease 89 



(See Bacterium stewarti; Corn, Stewart's bacterial 

 disease.) 

 Tobacco, 



"black-leg" 239 



(See Bacillus nicotianae Uyeda; Tobacco, wilt-diseases, 

 Japanese disease.) 



canker 266, 267, 270 



(See Bacillus aeruginosus; Tobacco, wilt-diseases, 

 French disease.) 



collar rot 266, 267, 270 



(See Bacillus tabacivorus; Tobacco, wilt-diseases, 

 French disease.) 



Dutch East Indian disease 220 



[See Bact. solanacearum (Sumatran tobacco-wilt or- 

 ganism) ; Tobacco, wilt-diseases, Dutch East 

 Indian disease; Tobacco, wilt-diseases, Honing's 

 Sumatran studies.] 



Florida wilt 227 



[See Bact. solanacearum (North American tobacco-wilt 

 organism); Tobacco, wilt-diseases, North Ameri- 

 can disease.] 



Granville wilt 174, 220, 227 



[See Bact. solanacearum (North American tobacco- 

 wilt organism) ; Tobacco, wilt-diseases. North 

 American disease.] 



Japanese disease 238 



(See Bacillus nicotianae Uyeda; Tobacco, wilt-diseases, 

 Japanese disease.) 



Japanese stem-rot 220 



(See also Bacillus nicotianae, Uyeda; Tobacco, wilt- 

 diseases, Japanese disease.) 



North American disease 227 



[See Bacterium solanacearum (North American 

 tobacco-wilt organism) ; Tobacco-wilt diseases, 

 North American disease.] 



North Carolina wilt 227 



[See Bacterium solanacearum (North American 

 tobacco-wilt organism) ; Tobacco, wilt-diseases, 

 North American disease.] 



pith-rot 266, 270 



(See Bacillus putrifaciens putridus; Tobacco, wilt- 

 diseases, French disease.) 



"pox-disease," Iwanowsky and Poloftzoff 270 



root-rot, Comes 270 



spot-disease, Iwanowski 270 



stem-rot 239 



(See Bacillus nicotianae Uyeda; Tobacco, wilt-diseases, 

 Japanese disease.) 



Sumatran slime disease 220, 222 



[See Bact. solanacearum (Sumatran tobacco-wilt or- 

 ganism); Tobacco, wilt-diseases, Dutch East 

 Indian disease; Tobacco, wilt-diseases, Honing's 

 Sumatran studies.] 



Wilt=diseases 220 



[See also Bacillus nicotianae Uyeda; Bact. solanace- 

 arum (Indian tobacco-wilt organism); Bact. 

 solanacearum (North American tobacco- wilt or- 

 ganism); Bact. solanacearum (Sumatran tobacco- 

 wilt organism).] 

 brown-rot of Solanaceae, probable identity 



with 220, 244 



Dutch East Indian disease 220 



[See also Bact. solanacearum (Sumatran tobacco-wilt 

 organism I ; Tobacco, wilt-diseases, Honing's Suma- 

 tran studies.] 

 bacteria, 



distribution in tissues. . . 220, 221, 222, 223, 225 



staining of 220 



brown stain 220, 22 1 



cavities 220 



cell-walls, action on 223 



conditions, favoring 221, 222, 223, 224 



