[Vol 10, 19231 



68 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Winslow, C-E. A., Broadhurst, J., Buchanan, E. E., Krmmviede, C. Jr., Rogers, 

 L. A., and Smith, G. H. ('20). The families and genera of the bacteria. 

 Jour. Bact. 5:191-229. 1920. 



Wolf, F. A., and Foster, A. C, ('21). Studies on the physiology of some plant 

 pathogenic bacteria. V. The fermentative activity of some plant pathogenic 

 bacteria, in relation to hydrogen ion concentration. N. C. Agr. Exp. Sta., 

 Tech. Hul. 20:25-43. 1921. 



