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Vol. XXIV, No. 7 
in the intermountain regions of the West. They further indicate that 
P. glumarum tritici is not transmitted from one wheat crop to the next 
by means of infected seed wheat. 
LITERATURE CITED 
(1) Bippsn, R. H. 
1908. RUST IN WH^AT. In Jouf. Bd. Agr. [London], v. 15, p. 241-253. 
(2) Durrki.1., L. W., and Parker, John H. 
1920. COMPARATIVE RESISTANCE OF VARIETIES OF OATS TO CROWN AND STEM 
RUST. Iowa Agr. Exp. Sta. Res. Bui. 62, 60 p. Bibliography, p. 
56c-56d. 
(3) Eriksson, Jakob, and Henning, Ernst. 
1896. DIE GETREiDEROSTE... vii, 463 p., 5 fig., 13 col. pi. Stockholm. Litter- 
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[Stockholm] No. 38). 
(4) Hecke, L. 
1915. zuR frage der uEberwinterung des gelbrostes und das zustande- 
KOMMEN VON ROSTjAHREN. In Naturw. Ztschr. Forst. u. Landw., Bd. 
y, p. 213-220. Bibliographical footnotes. 
(5) Henning, Fmst. 
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N:r 192 Centralanst. Forsoksv. Jordbr. Bot. Avdeln N:r 16). 
(6) Hungerford, Charles W. 
1920. RUST in seed wheat AND ITS REEATION TO SEEDEING INFECTION. In 
Jour. Agr. Research, v. 19, p. 257-278, i fig., pi. 38-48. Literature 
cited, p. 275-277. 
(7) Marryat, Dorothea C. E. * 
1907. NOTES ON THE INFECTION AND HISTOEOGY OF TWO WHEATS IMMUNE To 
THE ATTACKS OF PUCCINIA GEUMARUM, YEEEOW RUST. In Jour. Agr. 
Sci., v. 2, p. 129-138, 2 pi. Bibliographical footnotes. 
(8) Parker, John H. 
1918. GREENHOUSE EXPERIMENTS ON THE RUST RESISTANCE OF OAT VARIETIES. 
U. S. Dept. Agr. Bui. 629, 16 p., 2 fig., 3 pi. Literature cited, p, 16. 
(9) Waterhouse, W. L. 
1921. ON THE supposed OCCURRENCE OF SEEDEING INFECTION OF WHEAT BY 
MEANS OF RUSTED GRAINS. In Ann. Appl. Biol., V. 8, p. 81-82. 
(10) - 
1920. A note on THE OVER-SUMMERING OF WHEAT RUST IN AUSTRAEIA. In 
Agr. Gaz. N. S. Wales, v. 31, p. 165-166. 
(11) WiEEIS, M. A. 
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1917, p. 19. 
