176 



Mycologia 



Stone, R. E. Orange rust of Rubus in Canada. Phytopathol- 

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Sturgis, W. C. Notes on new or rare Myxomycetes. Myco- 

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Includes Physarum melanospermum, P. lilacinum, Didymium fulvum and 

 Enteridium minutum, spp. nov. 



Trumbull, H. L., & Hotson, J. W. The effect of roentgen and 

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1,2. 3D 191 7. 



Weimer, J. L. Three cedar rust fungi, their life histories and the 

 diseases they produce. Cornell Agr. Exp. Sta. Bull. 390 : 507- 

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Weir, J. R. Notes on wood-destroying fungi which grow on both 

 coniferous and deciduous trees — II. Phytopathology 7: 379, 

 380. O 1917. 



Weir, J. R., & Hubert, E. E. Cronartium cerebrum on Pinus 

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Weir, J. R., & Hubert, E. E. Observations on forest tree rusts. 

 Am. Jour. Bot. 4: 3 2 7~335. /• h 2. Je 1917. 



Uredinopsis pteridis on Abies grandis and Pteridium aquilinum pubescens. 



Wilson, J. K. Physiological studies of Bacillus radicicola of soy- 

 bean (Soja Max Piper) and of factors influencing nodule 

 production. Cornell Agr. Exp. Sta. Bull. 386: 369-413. /. 

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Winslow, C. E. A., Broadhurst, J., and others. The families and 

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Wolf, F. A., & Foster, A. C. Bacterial leaf spot of tobacco. 

 Science II. 46: 361, 362. 12 O 1917. 



