322 NINETEENTH REPORT. 



LITERATURE CITED. 



^Bain, S. M., and Essary, S. H., 1905, "A preliminary note on clover 

 diseases in Tennessee." Science, N. S. XXII, p. 503. 



2 , 1906, "Selection for disease resistant clover." Bui. 75, 



Tenn. Agri. Exp. Sta. 



^Brown, W. A., 1915, "Studies in the physiology of parasitism." Ann. 

 Bot. XXIX, pp. 313-348. 



■'Cavara, F., 1890, Macrosporium sarcinaeforme: Nuovo parasita del 

 trifolii. (Stratto dallo Gironale. Ladifessa dia parassiti. No. 4.) Cen- 

 tralbl. f. Bakt. 11, p. 705. 



^Coons, G. H., 1912, "Some investigations of the Cedar Rust fungus, 

 Gymnosporangium juniperi-virginianae." Nebr. Sta. Report 25; pp. 

 217-242; 3 Pis. 



^ , 1916, "The Factors involved in the growth and pycnidium 



formation of Plenodomus fusco-maculans ;" Journ. of Agr. Research, V; 

 pp. 713-769. 



■^DeBary, A., 1886, Ueber einige Scleratinienkranklieiten ; Bot. Zeit. 



^Heald, F. D., Gardiner, M. W., Studhalter, R. A., 1915; 44:377-387; 

 (et. seq.) ; Air and wind dissemination of ascospores of the chestnut 

 blight fungus. Journ. Agr. Research III, pp. 493-526. 



''Jones, L. R., 1899, Certain Potato Diseases and Their Remedies. 

 Vermont Sta. Bui. 72. 



^''Lesage, P., 1895, "Recherches experimentales sur la germination des 

 Penicillium glaucumj" Ann. Sci. Nat. Bot. (8), 1 ; pp. 309-322. 



"Levin, Ezra, 1916, "The Leaf Spot Disease of Tomato;" Mich. Sta. 

 Tech. Bui. 25. 



^'jMalko£F, V. K., 1902, Notiz liber einige in Gottingen beobachtete 

 Pflanzenkrankheiten, Zeitschr. f. Pflanzenk, 12; p. 283. 



^^Milburn, T., 1915, "Fungoid diseases of farm and garden crops;" 

 p. 72. 



^^Nordhausen, M., 1899, "Beitrage zur Biologic parasitarer Pilze." 

 Jahrb. f. Wiss. Bot. XXXIII, 1-46. 



^'Orton, W. A., 1904, "Plant diseases in 1903." Yearbook of the U. S. 

 D. A.; pp. 650-555. 



^•^Piper, C. v., 1913, "Forage plants and their culture." 



^'Potter, M. C, 1902, "On the parasitism of Psendomonas destructans." 

 Proc. Roy. Soc. 70. B:393-397. 



^^Smitli, R. E., 1902, "The parasitism of Botri/tis cincrea." Bot. Gaz. 

 XXXVIII; 421-436. 



^"Stevens, F. L., and Hall, J. G., 1910, "Diseases of economic plants;" 

 p. 390. 



