8 Department Circular 195, U. S. Dept. of Agriculture. 



16. S. syntherismae (Pk.) Farl., on 



Cenchrus tribuloides. 

 Stockton, Kans., Sept. 10, 1917, 

 E. Bartholomew. 



17. S. syntherismae (Pk.) Farl., on 



Panicum dichotomiflorum. 

 Champaign, 111., Sept. 18, 1889, 

 M. B. Waite. 



18. S. syntherismae (Pk.) Farl., on 



Panicum dichotomiflorum. 



18. S. syntherismae — Continued. 



Emporia, Kans., Oct. 26, 1903, 

 J. E. Bartholomew. Dupl. Syd. : 

 Ured. 348. 



19. S. syntherismae (Pk.) Farl., on 



Panicum dichotomiflorum. 

 Tryon, N. C, Aug., 1909, H. A. 

 Edson. 



20. S. syntherismae •( Pk. ) Farl., on 



Panicum dichotomiflorum. 

 Arlington, Va., Sept. 21, 1910, 

 A. A. Potter. 



SPHACELOTHECA. 



21. Sphacelotheca ischaemi (Fckl.) 



Clint., on Andropogon sco- 

 parius (?). 

 Fostoria, Arlington County, 

 Va., June 12, 1920, W. W. Diehl. 



22. S. monilifera (Ell. and Ev.) 



Clint., on Heteropogon con- 

 tortus. 

 Santa Rita Mountains, Ariz., 

 Oct., 1902, D. Griffiths. 



23. S. occidentalis Clint., on Andro- 



pogon hallii. 

 Anselm, N. Dak., Aug. 13, 

 1916, J. F. Brenckle. Dupl. F. 

 Dak. 421. 



24. S. sorghi (Lk.) Clint., on Sor- 



ghum saccharatum. 

 Akron, Colo., 1910, A. A. Pot- 

 ter. 



25. S. sorghi (Lk.) Clint, on Sor- 



ghum saccharatum techni- 

 cus. 

 . Washington, D. C, 1902, C. P. 

 Hartley. 



26. S. sorghi (Lk.) Clint., on Sor- 



ghum vulgare. 

 Manhattan, Kans., Aug. 19, 

 1890, W. T. Allen, 1202. Dupl. 

 1902 Myc. Ex. 198 as Ustilago 

 sorghi. 



27. S. sorghi (Lk.) Clint, on Sor- 



ghum vulgare. 

 Manhattan, Kans., Aug. 19, 

 1890, W. T. Allen, 1208. Dupl. 

 1902 Myc. Ex. 198 as Ustilago 

 sorghi. 



28. S. sorghi (Lk.) Clint, on Sor- 



ghum vulgare. 

 Washington, D. C, Oct. 14, 

 1902, J. B. Borer. 



29. S. sorghi (Lk.) Clint., on Sor- 



gjium vulgare. 

 Stockton, Kans., Sept. 18, 

 1906, E. Bartholomew. 



30. S. sorghi (Lk.) Clint., on Sor- 



ghum vulgare durra. 

 Manhattan, Kans., Sept. 22, 

 1898, G. L. Clothier. Dupl. F. 

 Col. 1483. 



31. S. sorghi (Lk.) Clint, on Sor- 



ghum vulgare durra. 

 Arlington Experimental Farm, 

 Va., Oct. 4, 1902, C. R. Ball. 



32. S. sorghi (Lk.) Clint, on Sor- 



ghum vulgare durra. 

 Arlington Experimental Farm, 

 Va., Oct. 15, 1902, C. R. Ball. 



33. S. sorghi (Lk.) Clint, on Sor- 



ghum vulgare roxburghii. 

 Amarillo, Tex., 1908, A. A. 

 Potter. 



TILLETIA. 



34. Tilletia asperifolia Ell. and Ev., 



on Sporobolus confusus. 

 Gunnison, Colo., Aug. 31, 1899, 

 E. Bartholomew. 



35. T. controversa Kuehn, on Agro- 



pyron repens. 

 Skive, Jutland, Denmark, Oct. 

 12, 1902, J. Lind. 



36. T. holci (West.) Rostr.. on Holcus 



lanatus. 

 Woods Hole, Mass., July 11, 

 1914, E. F. Smith. 



37. T. holci (West.) Rostr., on Holcus 



mollis. 

 Skive, Jutland, Denmark, Aug. 

 10, 1902, J. Lind. 



