MARKET DISEASES OF VEGETABLES., 15 



(30) Humbert, J. G. 



1918. Tomato diseases in Ohio. Ohio Agr. Exp. Sta. Bui 321 

 p. 157-196, illus. 



(31) Jagger, I. C. 



1916. Experiments with the cucumber mosaic disease. In Phy- 



topathology, v. 6, No. 2, p. 148-151. 



(32) Jamieson, Clara O. 



1915. Phoma destructiva, the cause of a fruit rot of the 

 tomato.* In Jour. Agr. Research, v. 4, No. 1, p. 1-20, 

 pi. 1-6 (2 col.). Literature cited, p. 19-20. 



(33) Jones, L. R. 



1901. A soft rot of carrot and other vegetables. In Vt. Agr. 

 Exp. Sta. 13th Ann. Rpt. 1899-1900, p. 299-332, illus. 

 (33a) Jones, L. R., and Bailey, Ernest. 



1917. P'rost necrosis of potato tubers. In Phytopathology, v. 7, 



No. 1, p. 71-72. 



(34) . _, Giddings, N. J., and Lutman, B. F. 



1912. Investigations of the potato fungus Phytophthora in- 

 festans.f U. S. Dept. Agr. Bur. Plant Indus. Bui. 245, 

 100 p., illus., 10 pi. (2 col.), map. 



(35) Kunkel, L. O. 



1919. Wart of potatoes; a disease new to the United States. 

 U. S. Dept. Agr. Bur. Plant Indus. Office Cotton, 

 Truck, and Forage Crop Diseases, Circ. 6. 



(36) Levin, Ezra. 



1917. Control of lettuce rot. In Phytopathology, v. 7, No. 5, p. 



392-393. 



(37) Link, G. K. K. 



1916. A physiological study of two strains of Fusarium in their 

 causal relation to tuber rot and wilt of potato. Nebr. 

 Agr. Exp. Sta. Research Bui. 9, 45 p., illus. 



(38) Lutman, B. F. 



1913. The pathological anatomy of potata scab. In Phytopath- 



ology, v. 3, No. 5, p. 255-264, illus. Bibliography, 

 p. 264. 



(39) and Cunningham, G. C. 



1914. Potato scab. Vt. Agr. Exp. Sta. Bui. 184, 64 p., 6 fig., 



12 pi. Bibliography, p. 62-64. 



(40) McKay, M. B., and Pool, Venus W. 



1918. Field studies of Cercospora beticola. In Phytopath- 



ology, v. 8, No. 3, p. 119-136, illus. 



(41) MacMillan, H. G. 



191 8. Sun-scald of beans. In Jour. Agr. Research, v. 13, No. 

 12, p. 647-650, pi. 64-66. 



(42) Meier, F. C. 



1916. Watermelon stem-end rot. [Preliminary report.] In 

 Jour. Agr, Research, v. 6, No. 4, p. 149-152, pi. 17. 



(43) Melhus, I. E. 



1913. Silver scurf, a disease of the potato. f In U. S. Dept. 



Agr. Bur. Plant Indus. Circ. 127, p. 15-24,4 fig. Biblio- 

 graphy, p. 24. 



(44) 



1914. Powdery scab ('Spongospora subterranea) of potatoes.f 



U. S. Dept. Agr. Bui. 82, 16 p., 3 pi. Bibliography, 

 p. 15-16. 



(45) - 



1915. Hibernation of Phytophthora infestans in the Irish 



potato.* In Jour. Agr. Research, v. 5, No. 2, p. 7.1-102, 

 3 fig., pi. 4-8. Literature cited, p. 100-102. 



t Papers marked with a dagger are out of print. 



