228 



Mycologia 



Jackson, H. S. & Osner, G. A. Potato- diseases in Indiana. In- 

 diana Agr. Exp. Sta. Circ. 71 : 1-16. /. 1-5. S 1917. 



Jones, L. R. Disease resistance in cabbage. Proc. Nat. Acad. 

 Sci. 4: 42-46. /. 1, 2. 15 F 1918. 



Johnson, A. G., & Vaughn, R. E. Ergot in rye and how to re- 

 move it. Wisconsin Agr. Exp. Sta. Ext. Serv. Circ. 94: [1-4]. 

 /. 1-4. Ja 1918. 



Johnston, J. R., & Bruner, S. C. A Phyllachora of the royal 

 palm. Mycologia 10: 43, 44. pi. 2. 14 F 1918. 



Johnston, J. R., & Stevenson, J. A. Sugar-cane fungi and dis- 

 eases of Porto Rico. Jour. Dept. Agr. Porto Rico 1 : 177-264. 

 pi 19-31. O 1917. 



Includes Himantia stellifera, Chromocreopsis striispora, Arthrinium 

 saccharicola, Hormiactella sacchari, Septonema sacchari, Periconia sacchari, 

 Tetracoccosporis sacchari, and Verticicladium graminicolum, spp. nov. 



Ludwig, C. A. The influence of illuminating gas and its constitu- 

 ents on certain bacteria and fungi. Am. Jour. Bot. 5: I -3 1. 

 Ja 1918. 



Ludwig, C. A., & Rees, C. C. The structure of the uredinium in 

 Pucciniastrum Agrimoniae. Am. Jour. Bot. 5 : 55-60. pi. 8. 

 9 Mr 1918. 



MacCaughey, V. Lichen flora of the Hawaiian Islands. Ha- 

 waiian Forester 14: 303, 304. O 1917. 

 McKay, M. B., & Pool, V. W. Field studies of Cercospora beti- 



cola. Phytopathology 8: 1 19-136. /. /, 2. Mr 1918. 

 Metcalf, H. Summary of the white-pine blister rust situation. 



Jour. Forestry 16: 85-89. Ja 1918. 

 Munn, M. T. Neck-rot disease of onions. New York Agr. Exp. 



Sta. Bull. 437: 365-455- pi i-H- Jl I9I7- 

 Murphy, P. A. The morphology and cytology of the sexual 



organs of Phytophthora erythroseptica. Pethyb. Ann. Bot. 32 : 



II5-I53- pl- 2, 3- Ja 1918. 

 Murrill, W. A The Agaricaceae of tropical North America — 



VIII. Mycologia 10: 62-85. 4 Ap 1918. 



Includes 29 new species in Drosophila (8), Hypholoma (i), Gomphidius 

 (i), Stropharia (2), Agaricus (13), and Coprinus (4). 



