388 BULLETIN No. 189 [June, 



57. HEALD, F. D. Rhizoctonia violocea Tul. on Alfalfa. Nebr. Sta. Rpt. (1905), 



19, 40-60. 190G. 



58. . . Rliizoctonia Nedicaginis DC. in America. Phytopath., 1, 103. 



1911. 



59. AND WOLF, F. A. A Plant-Disease Survey in the Vicinity of 



San Antonio, Texas. U. S. Dept. Agr., Bur. Plant Indus. Bui. 226, 1-129. 

 1911. 



60. HEDGCOCK, G. G. A Note on Rhizoctonia. Science, n.s., 19, 268. 1904. 



61. HIBBARD, R. P. Cotton Diseases in Mississippi. Miss. Sta. Bui. 140, 17-18, 



fig. 4. 1910. 



62. HUME, H. H. Potato Diseases. Fla.*Sta. Bui. 75, 188-194, pi. 1. 1904. 



63. JOHNSON, J. The Control of Damping-off Disease in Plant Beds. Wis. Sta. 



Research Bui. 31, 29-61, 10 figs. 1914. 



64. KUHN, J. Krankheiten der Kulturgewiichse, 224-228, figs. 17-21. Berlin, 



1858. 



65. LEVEILLE, J. H. Memoire sur le genre Sclerotium. Ann. Sci. Nat. Bot., 20, 



223. Paris, 1843. 



66. MASSEE, G. Diseases of Cultivated Plants and Trees, 238. 1910. 



67. McALPiNE, D. Handbook of Fungous Diseases of the Potato in Australia 



and Their Treatment. Dept. Agr. Victoria, Melbourne, 1-215. 1912. 



68. MORSE, W. J. Powdery Scab of Potatoes. Me. Sta. Bui. 227, 97-98, figs. 



51-52. 1914. 



69. - AND SHAPOVALOV, M. The Rhizoctonia Disease of Potatoes. Me. 



Sta. Bui. 230, 193-216, figs. 61-73. 1914. 



70. NEES VON ESENBECK, T. System der Pilze mid Schwamme, 148, fig. 135. 



Wiirzburg, 1817. 



71. ORTON, W. A. Potato Diseases in San Joaquin County, California. U. S 



Dept. Agr., Bur. Plant Indus. Circ. 23, 8. 1909. 



72. - . Tomato Diseases. Tracy Tomato Culture. 131-147. 1910. 



73. . Potato-Tuber Diseases. U. S. Dept. Agr., Farmers' Bui. 544, 



6-7, fig. 3. 1913. 



74. . Potato Wilt, Leaf-roll, and Related Diseases. U. S. Dept. Agr. 



Bui. 64, 40-41, pi. 15. 1914. 



75. PADDOCK, W. Plant Diseases of 1901. Colo. Sta. Bui. 69, 1-23, pi. 3; pi. 5, 



fig. 3; pi. 6, fig. 1. 



76. PAMMEL, L. H. Fungous Diseases of Sugar Beets. la. Sta. Bui. 15, 244-251 



pis. 3-4. 1891. 



77. PELTIER, G. L. Experiments with Carnation Stem Rot. Amer. Florist, 40, 



1292, 324-327. 1913. 



78. - . Carnation Diseases. Florists' Ex., 37, 5, 252-253, fig. 1. 1914. 



79. - . Carnation Diseases. Amer. Florist, 42, 1346, 432-434. 1914. 



80. - . Rhizoctonia in America. Phytopath., 4, 406, 1914. 



81. - . Stem Rot of Carnations. Florists' Ex., 39, 10, 539. 1915. 



82. PERSOON, C. H. Synopsis methodica fungorum, 119. Gottingre, 1801. 



83. PETHYBRIDGE, G. H. Investigations on Potato Diseases in Ireland. Dept. 



Agr. and Tech. Instr. Ireland Jour., 11, 417-449. 1911. 



84. . Potato Diseases in Ireland. Dept. Agr. and Tech. Instr. Ire- 

 land Jour., 10, 241-256. 1930. 



85. . Rotting of Potato Tubers by New Species of Phytophora Hav- 

 ing a. New Method of Sexual Reproduction. Sci. Proc, Roy. Dublin Soc., 

 n.s., 13, 35. 1913. 



86. POOL, V. W. Some Tomato Fruit Rots in 1907. Nebr. Sta. Rpt. (1907), 21, 

 6-9, figs. 10-22. 1908. 



