Garrett: Smuts and Rusts of Utah 



103 



On Amelanchier polycarpa Greene: 2645, I, July 17, 1920, Maple Canyon 

 branch of Cedar Canyon, about five miles from Cedar City, Iron Co. The host 

 was determined by Dr. Rydberg. 



On Amelanchier Jonesiana C. K. Schneider?: 2661a, I, July 19, 1920, Coal 

 Creek branch, Cedar Canyon, about fifteen miles from Cedar City, Iron Co. 

 The host is determined tentatively by Dr. Rydberg. 



15. Melampsorella elatina (Albert & Schw.) Arth. I 



Dr. Hedgcock, in his paper " Some Western Uredineae," states that the 

 aecial stage of this rust (Peridermium elatinum) is conspicuous on Abies lasio- 

 carpa (Hook.) Nutt, in the Manti National Forest. 



17. Phragmidium Ivesiae Sydow, II, III 



Ph. affine Sydow. 



On Potentilla pulcherrima Lehm. : 2759, Aug. 20, 1920, Richmond, Cache 

 Co. Host determined by Dr. Rydberg. 



19. Phragmidium horkeliae Garrett 



On Ivesia Gordonii (Hook.) T. & G. : 2744, Aug. 16, 1920, east slope from 

 Twin Lakes, Big Cottonwood Canyon, Salt Lake Co. 



21. Phragmidium montivagum Arth. 



On Rosa neomexicana Cockerell : 2617, June 28, 1920, Bullion Canyon, near 

 Marysvale, Piute Co. 2759a, Aug. 23, 1920, Mendon, Cache Co. 2774, Sept. 

 18, 1920, Parley's Canyon, opposite refreshment stand. 



On Rosa puberulenta Rydb. : 2651, July 19, 1920, Coal Creek branch, Cedar 

 Canyon, Iron Co. 2720, August 3, 1920, Beaver Canyon, Beaver Co. 



All of the above roses were determined by Dr. Rydberg. 



25. Puccinia clematidis (DC.) Lagerh. 



On Elymus condensatus Presl. : 2512, July 18, 1919, Price, Carbon Co. De- 

 termined by Dr. Arthur. 



On Poa Fendleriana (Steud.) Vasey : 2673, II, Wiley Camp, Zion National 

 Park, Washington Co. 



On Ranunculus Cymbal aria Pursh. : 2613a, I, June 28, 1920, Marysvale, 

 Piute Co. 



On Sitanion Hystrix (Nutt.) J. G. Smith: 2710, ii, Aug. 3, 1920, Beaver 

 Canyon, near Beaver, Beaver Co. 



On Sitanion jubatum Smith: 2671, ii, July 22, 1920, Zion National Park, 

 near Wiley Camp, Washington Co. The near-by Clematis ligusticifolia bore 

 aecia. 



32. Puccinia urticae (Schum.) Lagerh. 



P. caricis (Schum.) Schrot. 



On Carex nebraskensis Dewey: 2577, Oct. 11, 1919, Riverton, Salt Lake Co. 



