List of Fungi Prepared for Exchange. 



19 



242. P. rosae-setigerae Diet.— II and 244. P. tormentillae Fckl — III, on 



III, on Rosa setigera. 

 Rock Creek Park, Washing- 

 ton, D. C, Aug. 25, 1889, M. B. 

 Waite. 



243. P. tormentillae Fckl. — III, on 245. P. tormentillae Fckl. — II, on 



Potent ill a canadensis. 

 St. Louis, Mo., Oct. 9, 1894, 

 C. H. Thompson. 



Potentilia canadensis. 

 Bertram. Iowa, Oct. 10, 1886. 

 G. W. Newton. 



Potentilia canadensis. 

 Belmont, Mass., Aug. 20, 1898 

 (?), A. B. Seymour. 



PUCCINIA. 



246. Puccinia abrupta Diet, and 



Holw. — II, on Yiguiera heli- 



anthoides. 

 Tula. Mexico, Oct. 5, 1896, 

 E. W. D. Holway. Type coll. 

 Dupl. N. A. Ured. 118. 



247. P. abrupta Diet, and Holw. — II, 



on Yiguiera lielianthoides. 

 Austin. Tex., Oct. 7. 1915, B. O. 

 Tharp. 



248. P. absinthii DC— II and III, on 



Artemisia sp. 

 Sicamous, British Columbia, 

 Canada, Aug. 14. 1901, E. W. D. 

 Holway. 



249. P. absinthii DC— III, on Arte- 



misia aromatica. 

 Rimrock Station, Mont, July 

 20, 1917. E. Bartholomew. 



250. P. absinthii DC— II and III, 



on Artemisia cama. 

 Harrison, Nebr., Aug. 1, 1889, 

 H. J. Webber. Dupl. 1902 Myc. 

 Ex. 191a as P. tanaceti. 



251. P. absinthii DC— II and III, 



on Artemisia can a. 

 Billings, Mont.. Aug. 18, 1913, 

 E. T. and E. Bartholomew. 

 Dupl. F. Col. 4561. 



252. P. absinthii DC— III, on Arte- 



misia carta. 

 Rimrock Station, Mont., Aug 

 9. 1917. E. Bartholomew. 



253. P. absinthii DC — III, on Arte- 



misia dracunculoides. 

 Hill City, S. Dak., Aug., 1897, 

 D. Griffiths and L. W. Carter. 

 Dupl. West A. F. 248. 



254. P. absinthii DC— III, on Arte- 



misia dracunculoides. 

 Crested Butte, Colo., Sept. 8, 

 1899. E. Bartholomew, 



255. P. absinthii DC— II, on Arte- 



misia dracunculoides. 

 Callaway, Nebr., June 13, 

 1902, J. M. Bates. 



256. P. absinthii DC— II. on Arte- 



misia dracunculoides. 

 San Ysidro, Calif., July 5, 

 1915, E. Bartholomew. Dupl. F. 

 Col. 5046. 



257. P. absinthii DC— III, on Arte- 



misia ludoviciana. 

 Silesia, Mont., Sept. 11, 1913, 

 E. T. and E. Bartholomew. 

 Dupl. N. A. Ured. 1022. 



258. P. absinthii DC— III. on Arte- 



misia tridentata. 

 Near Gunnison, Colo., Sept. 5, 

 1899, E. Bartholomew. 



259. P. absinthii DC— III, on Arte- 



misia tridentata. 

 Crested Butte, Colo., Sept. 8, 

 1899, E. Bartholomew. 



260. P. absinthii DC— III, on Arte- 



misia tridentata. 

 Fort Douglas, Utah, Nov. 16. 

 1917, J. F. Brenckle. 



261. P. acetosae (Schum.) Koern. — 



II, on Rumex acetosella. 

 Glen St. Mary, Fla., Apr. 17, 

 1909, W. T. Swingle. 



262. P. agropyri Ell. and Ev. — II, on 



Agropuron repens. 

 New Brunswick, N. J., June 

 5, 1889, D. G. Fairchild. Dupl. 

 1902 Myc. Ex. 110b as P. rubigo- 

 vera. 



263. P. agropyri Ell. and Ev.— II. on 



Agropyron tenerum. 

 Sicamous, British Columbia. 

 Canada, Aug. 14, 1901, E. W. D. 

 Holway. 



