DAMPING-OFF IN FOREST NURSERIES. 93 



DUGGAR, B. M., and STEWART, F. C. 



(32) 1901. The sterile fungus Ulii/octonia as a cause of plant diseases 



in America. N. V. (Cornell) Agr. Exp. Sta. Bui. 186, p. 51-76, 

 [fig.] 15-23. 



(33) 1909. Fungous Diseases of Plants . . . xii, 508 p., illus., pi. Bos- 



ton, New York. 



(34) 1916. Ithizoctonia solani in relation to the " Mopilz " and the " Ver- 



inehrungspilz." In Ann. Mo. Bot. Gard., v. 3, no. 1, p. 1-10. 

 Literature cited, p. 9-10. 

 EDGERTON, C. W. 



(35) 1915. Effect of temperature on Glomerella. In Phytopathology, v. 5, 



no. 5, p. 247-259, 4 fig. 



(36) 1915. A new method of selecting tomatoes for resistance to the wilt 



disease. In Science, n. s., v. 42, no, 1095, p. 914-915. 

 EDSON, H. A. 



(37) 1915. Histological relations of sugar-beet seedlings and Phoma betae. 



In Jour. Agr. Research, v. 5, no. 1, p. 55-58, pi. 1-2. 



(38) 1915. Seedling diseases of sugar beets and their relation to root-rot 



and crown-rot. In Jour. Agr. Research, v. 4, no. 2, p. 135-168, pi. 

 16-26. Literature cited, p. 165-168. 



(39) 1915. Rheosporangium aphanidermatus, a new genus and species of 



fungus parasitic on sugar beets and radishes. In Jour. Agr. Re- 

 search, v. 4, no. 4, p. 279-292, pi. 44-48. 



(40) and SHAPOVALOV, M. 



1918. Potato-stem lesions. In Jour. Agr. Research, v. 14, no. 5, p. 213- 

 220, pi. 24-26. 



(41) FAWCETT, H. S. 



1909. Report of plant pathologist. In Fla. Agr. Exp. Sta. Rpt. 

 108/09, p. xlvi-lxii, fig. 7-12. % 



(42) FISCHER, ALFRED. 



1892. Die Pilze Deutschlands, Oesterreichs und der Schweiz. IV. Ab- 

 theihmg: Phycomycetes. In Rabenhorst, L., Kryptogamen-Flora 

 . . . Aufl. 2, Bd. 1, Pilze. Leipzig. 



(43) FRED, E. B. 



1916. Relation of green manures to the failure of certain seedlings. 

 In Jour. Agr. Research, v. 5, no. 25, p. 1161-1176, pi. 83-84. Litera- 

 ture cited, p. 1175^-1176. 



(44) GALLOWAY, B. T. 



1893. .Report of the Chief of the Division of Vegetable Pathology. In 

 U. S. Dept. Agr., 1892, p. 215-246, 1 fig., 4 pi. 



(45) GARDNER, JOHN. 



1890. [Damping-off.] In Amer. Gard., v. 11, no. 6, p. 347-348. 



(46) GIFFOKD, C. M. 



1911. The damping-off of coniferous seedlings. .Vt Agr. Exp. Sta. Bui. 

 157, p. 143-171, 10 fig., 4 pi. Bibliography, p. 171. 



(47) GILBERT, W. W. 



1909. The root-rot of tobacco caused by Thielavia basicola. U. S. 

 Dept. Agr., Bur. Plant Indus. Bui. 158, 55 p., 5 pi. Bibliography, 

 p. 44-48. 



