1915] 



DUGGAR — RHIZOCTONIA CROCORUM AND R. SOLANI 455 



Hartig, R. ('80). Unters. a. d. forstbot. Inst, zu Mtincken 1880 : 1-32. pi. 1-2. 1880. 



Hartley, C. P. ('12). Damping off by coniferous seedlings. Science, N. S. 36 • 

 683-684. 1912. 



('13). The 



Bull. 44: 1-21. 1913. 



U. S. Dept. Agr., 



Heald, F. D. ('06). Report on the plant diseases prevalent in Nebraska during 

 the season of 1905. Nebr. Agr. Exp. Sta., Rept. 19: p. 40. 1906. 



■, ('11 ). Rhizoctonia Medicaginis in America. Phytopath. 1:103. 1911. 



, and Wolf, F. A. ('00). Tex. Acad. Sci., Trans. 11: pp. 31-32. 1900. 



, ('11). U. S. Dept. Agr., Bur. PL Ind., Bull. 226 : pp. 39, 



40,41,42,43,44,111. 1911. 

 Hedgcock, G. G. ('04). A note on Rhizoctonia. Science, N. S. 19 • 268. 1904. 



Hibbard, R. P. ('10). Cotton diseases in Mississippi. Miss. Agr. Exp Sta 

 Bull. 140: 1-27. f. 1-8. 1910. [See Damping-off or sore-shin. pp. 17-18. f. *.] 



Johnson, J. ('14). The control of damping-off disease in plant beds. Wis. Aer 

 Exp. Sta., Res. Bull. 31 : 29-61. 1914. 



Jones, L. R. ('07). The black leg disease of the potato. Vt. Agr. Exp. Sta., 

 Bull. 129: 101-103. 1907. 



Kickx, J. ('67). Flore cryptogamique des Flandres 2: p. 470. 1867. 



Kiihn, J. ('58). Krankheiten der Kulturgewiichse, ihre Ursachen und ihrc 

 VerhUtung. pp. 222-228, 228-239, 243-249. f. 3-22. 1858. 



Laubert, ('06). Bot. Centralbl. 102:525-527. 1906. 



L6veill6, J. H. ('43). Memoire sur le genre Sclerotium. Ann. d. Sci. Nat. Bot. 

 20 : 218-248. pi 6-7. 1843. 



Lindau, G. ('09). Rabenhorst's Cryptogamen-Flora v. Deutschland, Oesterreich. 

 u. d. Schweisz. 1^:683-686. 1909. 



Link, H. F. (1824). Hyphomycetes. Linnaeus, Spec. Plant., ed. 4, cur. Willdenow. 

 61: pp. 119-120. Berlin, 1824. 



LUstner, G. ('03). Beobachtungen liber den Wurzeltoter der Luzerne (Rhizoctonia, 

 violacea Tul.). K. Lehranst. f. Wein-, Obst-, u. Gartenbau zu Geisenheim a 

 Rh. 1902 : 200-203. f. Jft. 1903. 



Lyon, T. L. and Wianco, A. T. ('02). Diseases of sugar beets. Nebr. Agr. Exp. 

 Sta., Bull. 73 : 21-23. 1902. 



Mc Alpine, D. ('11). Rhizoctonia rot, or potato collar fungus. Handbook of 

 fungous diseases of the potato in Australia and their treatment pp. 60-65 

 pi. 9-13, 19, 39-48. 1911. (cf. pp. 75-77.) 



McCready, S. B. ('10). Pod and stem rot of beans (Rhizoctonia). Ont. Agr. 

 Coll. and Exp. Farms, Rept. 36 : 46-47. f. 6. 1910. 



Montagne, C. f50). Etude micrographique de la maladie du safran, connue 

 sous le nom de Tacon. Soc. de Biol., Paris, M6m. 1 [1849] : 63-68. 1850. 

 [Translation by Berkeley, Jour. Hort. Soc. London 5:21-25. 1850.] 



Morse, W. J. and Shapovalow, M. ('14). The Rhizoctonia disease of potato. 

 Me. Agr. Exp. Sta., Bull. 230 : 193-216. f. 61-73. 1914. 



Nees von Esenbech, (1816). Das System der Pilze und Schwamme. p. 148. 

 Wurzburg, 1816. 



