996 
Journal of Agricultural Research 
Vol. XXIV, No. la 
(17) Hayes, H. K., and Stakman, E. C. 
1922. WHEAT STEM RUST FROM THE STANDPOINT OF PEANT BREEDING. In Proc. 
2d Ann. Meeting West. Canad. Soc. Agron., 1921, p. 22-35, 4 Wt- 
erature cited, p. 34-35. 
(18) Howard, Albert, and Howard, Gabrielle L. C. 
1912. ON THE INHERITANCE OF SOME CHARACTERS IN WHEAT. I. /w Mem. Dept. 
Agr. India Bot. Ser., v. 5, p. 1-47, 3 pi. 
(19) Eevine, M. N. 
1919. THE EPIDEMIOLOGY OF CEREAL RUSTS IN GENERAL AND BLACK STEM RUST 
IN PARTICULAR. U. S. Dept. AgT. BuT. Plant Indus., Off. Cereal Inves. 
[Mimeographed material.] 78 p. 
(20) -and Stakman, E. C. 
1918. A THIRD BIOLOGIC FORM OF PUCCINIA GRAMINIS ON WHEAT. In JOUT. AgT. 
Research, v. 13, p. 651-654. 
(21) Melchers, Leo E., and Parker, John H. 
1918. ANOTHER STRAIN OP PUCCINIA GRAMINIS. Kans. Agr. Exp. Sta. Circ. 
68, 4 p. 
(22) - 
1922, INHERITANCE OF RESISTANCE TO BLACK STEM RUST IN CROSSES BETWEEN 
varieties of common WHEAT, (triticum vulgare.) (Abstract.) In 
Phytopathology, v. 12, p. 31-32. 
(23) Newton, Margaret. 
1920. BIOLOGIC forms OP WHEAT STEM RUST IN WESTERN CANADA. In ProC. 
West. Canad. Soc. Agron., v. i, p. 34-35. 
(24) PUTTICK, G. F. 
1921. THE reaction of the Fg GENERATION OF A CROSS BETWEEN A COMMON 
AND A DURUM WHEAT TO TWO BIOLOGIC FORMS OF PUCCINIA GRAMINIS. 
In Phytopathology, v. ii, p. 205-213. Literature cited, p. 213. 
(25) Reed, G. M. 
1918. PHYSIOLOGICAL SPECIALIZATION OP PARASITIC FUNGI. In Mem. Brooklyn 
Bot. Gard., v. i, 348-409. Literature cited, p. 403-409. 
(25a) Stakman, E. C., and Levine, M. N. 
1922. THE DETERMINATION OP BIOLOGIC FORMS OF PUCaNIA GRAMINIS ON TRI¬ 
TICUM SPP. Minn. Agr. Exp. Sta. Tech. Bui. 8, 10 p., i fig. 
(26) -and Leach, J. G. 
1919. NEW BIOLOGIC FORMS OF PUCCINIA GRAMINIS. In JouT. Agr. Research, 
V. 16, p. 103-105. 
(27) - Parker, John H., and Piemeisel, F. J. 
1918. CAN BIOLOGIC FORMS OF STEM RUST ON WHEAT CHANGE RAPIDLY ENOUGH 
TO interfere WITH BREEDING FOR RUST RESISTANCE? In JoUT. Agr. 
Research, v. 14, p. 111-124, pi. 13-17. Literature cited, p. 122-123. 
(28) -and Piemeisel, F. J. 
1917. A NEW STRAIN OF PUCCINIA GRAMINIS. (Abstract.) In Phytopathology, 
, ^ V. 7, p. 73. 
(29) - 
1917. BIOLOGIC FORMS OF PUCCINIA GRAMINIS ON CEREALS AND GRASSES. In 
Jour. Agr. Research, v. 10, p. 429-496, pi. 53-59. Literature cited, p. 
493 - 495 - 
(20)-and Levine, M. N. 
1918. PLASTICITY AND BIOLOGIC FORMS OF PUCCINIA GRAMINIS. In JoUT. Agr. 
Research, v. 15, p. 221-250, pi. 17-18. Literature cited, p. 248-249. 
(31) Vavilov, N. I. 
1914. IMMUNITY TO FUNGOUS DISEASES AS A PHYSIOLOGICAL TEST IN GENETICS 
AND SYSTEMATICS, EXEMPLIFIED IN CEREALS. In Jour. GenetiCS, V. 4, 
p. 49-65. References to literature, p. 64-65. 
(32) Ward, H. Marshall. 
1902. ON THE RELATIONS BETWEEN HOST AND PARASITE IN THE BROMES AND 
THEIR BROWN RUST, PUCCINIA DispERSA (erikss). In Ann. Bot. , V. 16, 
p. 233-315. Bibliographical footnotes. 
