38 
(13) 
(14) 
(15) 
(16) 
(17) 
(18) 
(19) 
(20) 
(21) 
(22) 
(23) 
(24) 
(25) 
(26) 
(27) 
(28) 
(29) 
(30) 
(31) 
(32) 
(33) 
BULLETIN 1347, U. S. DEPARTMENT OF AGRICULTURE 
CHRISTENSEN, J. J. 
1922. Studies on the parasitism of Helminthosporium sativum. 
Minn. Agr. Exp. Sta. Tech. Bul. 11, 42 pp., illus. 
CorpLEy, A. B. 
1902. A footrot of wheat. Jn Oreg. Agr. Exp. Sta. 14th Ann. Rpt., 
pp. 66-67. 
Dana, B. F. 
1919. A preliminary note on footrot of cereals in the northwest. 
In Science, vol. 50, pp. 484-485. 
DARNELL-SMITH, G. P., and E. MAcKINNON. 
1915. Diseases of wheat. Jn Dept. Agr. N. S. Wales, Farmers’ Bul. 
102, pp. 3-31, illus. 
DELACROIX, G. 
1901. Sur le piétin des céréales. Jn Bul. Soe. Mycol. France, t. 17, 
pp. 1386-144, illus. 
Dickson, J. G. ; 
1923. Influence of soil temperature and moisture on the develop- 
ment of the seedling blight of wheat and corn caused by 
Gibberella saubinetii. Jn Jour. Agr. Research, vol. 23, pp. 
837-870, illus. 
DRECHSLER, C. 
1923. Some graminicolous species of Helminthosporium: I. Jn Jour. 
Agr. Research, vol. 24, pp. 641-740, illus. 
Evans, N. S. be 
1922. “ Black-point’” of wheat. (Abstract.) In Phytopathology, 
vol. 12, p. 34. 
FITzpaTrick, H. M., H. EH. THomaAs, and R. S. Kigsy. 
1922. The Ophiobolus causing take-all cf wheat. In Mycologia, vol. . 
14, pp. 30-87, illus. 
Forx, EH. 
1914. Germination des ascospores d’Ophiobolus graminis. Jn Bul. 
Soe. Path. Veg. France, t. 1, pp. 26-380, illus. 
FRANK, A. B. 
1900. Der Weizenhalmtoter. Jn Deut. Landw. Presse, Jahrg. 27, 
p. 675, illus. 
FRASER, W. P. 
1924. “ Take-all” of wheat in western Canada. (Abstract.) In 
Phytopathology, vol. 14, p. 347. 
GAILLOoT, L. 
1897. Note sur le pied noir du blé ou piétin des céréales. Jn Bul. 
Sta. Agron. Dept. Aisne, ann. 1897, pp. 63-66. 
HAMBLIN, C. O. 
1922. “ Footrot” of wheat caused by the fungus Helminthosporium. 
In Agr. Gaz. N. 8. Wales, vol. 33, pp. 13-19, illus. 
HASKELL, R. J., and J. I. Woop. > 
1923. Diseases of cereal and forage crops in the United States 
in 1922.. In U. S. Dept. Agr. Bur. Plant Indus.,. Plant 
Disease Survey Bul. Sup. 27, pp. 164-266. [Mimeographed. ] 
Hayes, H. K., and HE. C. STaKMAN. 
1921. Resistance of barley to Helminthosporium sativum P., K,, 
and B. In Phytopathology, vol. 11, pp. 405-411. 
HrALp. sh: BD: 
1923. Footrot of wheat. In Wash. Agr. Exp. Sta. Bul. 180, 
pp. 42-48. 
Henry, A. W. 
1923. Some fungi causing black-point of wheat. (Abstract.) In 
Phytopathology, vol. 13, p. 49. 
Hort, S. 
1901. The die-back disease of barley and wheat. Jn Imp. Agr. Exp. 
Sta. Nishigahara, Japan, Tech. Rpt. 18, pp. 35-65, illus. 
HuMPHREY, H. B., and A. G. JOHNSON. 
1919. Take-all and flag smut, two wheat diseases new to the United 
States. U. 8S. Dept. Agr. Farmers’ Bul. 1063, 8 pp., illus. 
TIUNGERFORD, C. W. 
1923, A serious disease of wheat caused by Sclerotium rhizodes in 
Idaho, Jn Phytopathology, vol, 13, pp. 463-464, 
