40 BULLETIN 1347, U. S. DEPARTMENT OF AGRICULTURE 
(56) PripHaAM, J. T. 
1919. Take-all, the wheat grower’s worst enemy. In Agr. Gaz. 
N. S. Wales, vol. 30, pp. 77-79. 
(57) Pritvievux, EK. E.; and G. DELACROIX. 
1890. La maladie du pied du blé, causée par l’Ophiobolus graminis 
Sace. Jn Bul. Soe. Mycol. France, t. 6, pp. 110-118, illus. 
(58) RaEpEr, J. M. 
1922. A Helminthosporium rootrot of wheat in Idaho. (Abstract.) 
In Phytopathology, vol. 12, p. 447. 
(59) Remy, T., and J. VASTERS. 
1914. Beobachtungen ueber chlorophenol-quecksilber als Pflanzen- 
schutzmittel. Jn Illus. Landw. Ztg., Jahrg. 34, pp. 769-771. 
(60) REUTHER. . 
1918. Die Fusskrankheit des Weizens. In Deut. Landw. Presse, 
Jahrg. 40, p. 78. 
(61) Rosen, H. R., and J. A. ELLIort. 
1923. Pathogenicity of Ophiobolus carceti in its relation to weak- 
ened plants. In Jour, Agr. Research, vol. 25, pp. 351-358, 
illus. 
(62) ScHOENE, W. J. 
1920. “ Take-all” disease of wheat in Virginia. Jn Quart. Bul. 
Va. State Crop Pest. Com., vol. 1, no. 4, pp. 22-23, illus. 
(63) ScHRIBAUX, E. 
1892. Le piétin ou maladie du pied des céréales. In Jour, Agr. 
Prat., ann. 56, t. 2, pp. 317-320, 
(64) SmirH, W. G, 
1884. Diseases of field and garden crops. 353 pp., illus. London, 
(65) Stakman, lL. J. 
1920..A Helminthosporium disease of wheat and rye. Minn, Agr, 
Exp. Sta. Bul. 191, 18 pp., illus. 
(66) Stevens, F. L. 
4920. Footrot of wheat. Jn Science, vol. 51, pp. 517-518. _ 
(67) 1922. The Helminthosporium footrot of wheat, with observations 
on the morphology of Helminthosporium and on the occur- 
rence of saltation in the genus. Jn Ill. Nat. Hist, Surv, Bul, 
14, pp. 77-185, illus. 
(68) Surron, G. L. 
1920. Take-all or white-heads (Ophiobolus graminis). Jn W. Aus- 
tralia Dept. Agr. Bul. 69, pp. 3-10, illus. 
(69) VasTERS, J. 
1915. Uspulunbehandlung des Saatgutes als Mittel der Saatguter- 
sparung. Jn Landw. Ztschr. Rheinprovinz, n. s., Jahrg. 16, 
pp. 6468. 
(70) VocrEs, E. | 
1914. Uber Ophiobolus herpotrichus Fries, den ‘‘ Weizenhalmtéter,” 
in seiner Nebenfruchtform. Jn Centbl. Bakt., Abt. 2, Bd. 
42, pp. 49-64, illus. 
(71) WatTERHOUSE, W. L. 
1921. On the supposed occurrence of seedling infection of wheat by 
means of rusted grains. Jn Ann, Appl. Biol., vol. 8, pp. 
81-82. 
(72) Waters, R. 
1920. Take-all disease in wheat. In New Zeal. Jour. Agr., vol. 20, 
pp. 187-148, illus. 
(73) 1920. Take-all disease of wheat. (Etiology of Ophiobolus gram- 
inis.) Jn New Zeal. Jour. Agr., vol. 20, pp. 287-288. 
(74) WENIGER, W. 
1923. Diseases of grain and forage crops in North Dakota. N. Dak. 
Agr. Exp. Sta. Bul. 166, 92 pp., illus. 
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