i6o Journal of Agricultural Research voi. xxii.no. 3 



Source of telial material used in cultures : 



51 19, from York, Pa., collected by F. D. Kern. 



1 1 719, from Bradford Count}^ Pa., collected by E- T. Nixon. 



9819, from Morgantown, W. Va., collected by N. J. Giddings. 



6319, from Statesville, N. C, collected by C. A. Ludwig. 



6419, from Statesville, N. C, collected by C. A. Ludwig. 



7319, from Biltmore, N. C, collected by C. A. Ludwig. 



5819, from Clemson College, S. C, collected by C. A. Ludwig. 



5019, from Tifton, Ga., collected by C. A. Ludwig. 



41 19, from Bay Minette, Ala., collected by C. A. Ludwig. 



4519, from Auburn, Ala., collected by C. A. Lud\vig. 



4419, from Union City, Tenn., collected by Carl Kurtzweil. 



1 7419, from Johnson City, Tenn., collected by C. A. Ludwig. 



6519, from Lexington, Ky., collected by R. S. Kirby. 



4819, from Mount Vernon, Ind., collected by E- B. Mains. 



5319, from Washington County, Ind., collected by H. S. Jackson. 



10119, from La Eayette, Ind., collected by E. B. Mains. 



10419, from Bloomington, 111., collected by Koehler and Toole. 



1 24 1 9, from Wasioja, Minn., collected by G. W. Martin. 



36^9, from Ames, Iowa, collected by I. E. Melhus. 



9319, from Columbia, Mo., collected by W. E. Maneval. 



9419, from Columbia, Mo., collected by W. E. Maneval. 



9519, from Columbia, Mo., collected by W. E. Maneval. 



9619, from Columbia, Mo., collected by W. E. Maneval. 



3819, from Baton Rouge, La., collected by Thiel and Lud\\4g. 



6719, from Dallas, Tex., collected by W. H. Ballamy. 



7019, from San Antonio, Tex., collected by R. S. Kirby. 



3219, from Yuma, Ariz., collected by L. Y. Leonard. 



61 19, from Chico, Calif., collected by R. M. Kelia. 



122 19, from Dayton, Wash., collected by J. W. Hotson. 



165 19, from Colton, Wash., collected by J. W. Hotson. 



19919, from Puyallup, Wash., collected by G. R. Hoemer. 



13919, from Oregon, collected by G. R. Hoemer. 

 The data in this table, taken with those in Table II, show that Puccinia 

 triticina from Pennsylvania, West Virginia, North Carolina, South Caro- 

 lina, Georgia, Alabama, Mississippi, Tennessee, Kentucky, Indiana, 

 Michigan, Illinois, Minnesota, Iowa, Missouri, Louisiana, Texas, Arizona, 

 California, Washington, Oregon, Idaho, and Nevada gave positive results 

 when sown upon Thalictrum. 



The following collections showed some germination but produced no 

 infection when sown on Thalictrum : 



11819, from Hopkinsville, Ky., collected by Carl Kurtzweil. 



9419, from Columbia, Mo., collected by W. E. Maneval. 



3919, from Fayetteville, Ark., collected by H. R. Rosen. 



5419, from Memphis, Tenn., collected by A. F. Thiel, 



