52 



Mycologia 



Weir, J. R. Keithia thujina, the cause of a serious leaf disease of 

 the western red cedar. Phytopathology 6: 360-363. /. 1, 2. 

 12 S 1916. 



Weir, J. R. Phacidium infestans on western conifers. Phyto- 

 pathology 6 : 413, 414. 1916. 

 Weir, J. R. Pinus ponderosa and P. Jeffreyi, hosts for Razou- 



mofskya americana. Phytopathology 6: 414. O1916. 

 Weir, J. R., & Hubert, E. E. A successful inoculation of Abies 



lasiocarpa with Pucciniastrum pits'tulatum. Phytopathology 6 : 



373. 12 S 1916. 

 Weir, J. R., & Hubert, E. E. Successful inoculations of Larix 



occidentalis and Larix europa with Melampsora bigelowii. 



Phytopathology 6 : 372, 373. 12 S 1916. 

 Willis, M. A. A root disease of prunes. Phytopathology 6 : 368, 



369. 12 S 1916. 

 Whetzel, H. H., and others. Ginseng diseases and their control. 



U. S. Dept. Agr. Farmers' Bull. 736 : 1-22. /. 1-26. 17 Jl 1916. 

 Wolf, F. A. Citrus canker. Alabama Agr. Exp, Sta. Bull. 190: 



91-100. pi. 1, 2 + /• 1-6. My 1916. 



