396 PHYSIOLOGY OF THE FUNGI 



Couch, J. N.: The Genus Septobasidium, The University of North Carolina Press 



Chapel Hill, 1938. 

 De Bary, a.: Ueber einige Sclerotinien uiid Sclerotien Krankheiten, Bolan. Zig. 



44:377-474, 188G. 

 Dickson, J. G.: Influence of soil temperature and moisture on the development of 



the seedling-blight of wheat and corn caused by Gibberella sauhinettii, Jour. Agr. 



Research. 23 : 837-870 1923. 

 DiMOND, A. E.: Symptoms of Dutch elm disease reproduced by toxins of Graphium 



ulmi in culture. Phytopathology 37 : 7, 1947. 

 Dodge, B. O.: Effect of the orange-rusts of Rubus on the development and distribu- 

 tion of stomata, Jour. Agr. Research 25 : 495-500, 1923. 

 Dodge, C. W.: Medical Mycology, The C. V. Mosby Company, St. Louis, 1935. 

 DuFRENOY, J.: Cellular immunity, Am. Jour. Botany 23: 70-79, 1936. 

 Emmons, C. W.: Medical mycology, Botan. Rev. 6: 474-514, 1940. 

 EzEKiEL, W. N., and J. F. Fudge: Studies on the cause of immunity of monocotyle- 



donous plants to Phymatotrichum root rot. Jour. Agr. Research 56 : 773-786, 



1938. 

 Fawcett, H. S. : An important entomogenous fungus, ]\Iycologia 2: 164-168, 1910. 

 *Fbldman, a. W., N. E. Caroselli, and F. L. Howard: Physiology of toxin produc- 

 tion by Ceratostomella ulmi, Phytopathology 40: 341-354, 1950. 

 Fitzpatrick, H. M.: The Lower Fungi, Phycomycetes, McGraw-Hill Book Com- 

 pany, Inc., New York, 1930. 

 Fontaine, T. D., G. W. Irving, Jr., and S. P. Doolittle: Partial purification and 



properties of tomatin, an antibiotic agent from the tomato plant. Arch. Biochem. 



12 : 395-404, 1947. 

 Gallegly, M. E. : Host nutrition in relation to development of Verticillium wilt of 



tomato. Phytopathology 39: 7, 1949. 

 Gaumann, E. : Pflanzliche Infektionslehre, Verlag Birkhauser, Basel, 1946. Trans. 



by W. B. Brierly as Principles of Plant Infection, Hafner Publishing Co., New 



York, 1950. 

 Gaumann, E., and O. Jaag: Die physiologischen Grundlagen des parasitogenen 



Welkens. II, III. Ber. schweiz. botan. Ges. 52: 132-148, 227-241, 1947. 

 Hart, H.: Relation of stomatal behavior to stem-rust resistance in wheat. Jour. Agr. 



Research 39: 929-948, 1929. 

 *Hatfield, W. C, J. C. Walker, and J. H. Owen: Antibiotic substances in onion 



in relation to disease resistance. Jour. Agr. Research 77: 115-135, 1948. 

 Hawkins, L. A., and L. B. Harvey: Physiological study of the parasitism oiPythium 



debaryanum on potato tuber. Jour. Agr. Research 18: 275-297, 1919. 

 Haymaker, H. H. : Relation of toxic excretory products from two strains of Fusariu m 



lycopersici to tomato wilt. Jour. Agr. Research 36: 697-719, 1928. 

 HiGGiNS, B. B.: Physiology and parasitism of Sclerotmm rolfsii, Phytopathology 17: 



417-448, 1927. 

 Hodgson, R., W. H. Peterson, and A. J. Riker: The toxicity of polysaccharides 



and other large molecules to tomato cuttings. Phytopathology 39: 47-62, 1949. 

 Houston, B. R.: Culture types and pathogenicity of isolates of Corticium solani, 



Phijtopathology 35: 371-393, 1945. 

 Hurd, a. M.: The course of acidity changes during the growth period of wheat with 



special reference to stem-rust resistance. Jour. Agr. Research 27: 725-735, 1924. 

 Jones, F. R. : The leaf-spot disease of alfalfa and red clover caused by the fungi 



Pseudopeziza medicaginis and Pseudopeziza trifolii, respectively, U.S. Dept. 



Agr. Bull. 759, 1919. 

 Karling, J. S.: Plasmodiophorales, published by the author, New York, 1942. 



