Garrett: Smuts and Rusts of Utah 



109 



203. Uromyces fuscatus Arth. 



On Ritmex paucifolius Nutt. : 2636a, July 15, 1920, Gogorza, Summit Co. 

 There has been some doubt in regard to the true identity of the host of this 

 rust, the original description giving it as Polygonum alpinum. Several col- 

 lections were made at this date from the same locality from which the original 

 Utah collection was made June 29, 1915. The host plants were in bloom and 

 young seed, and one plant was collected in flower with the broad lower leaves 

 strongly infected by the rust. Unfortunately, this specimen has been mislaid. 

 Host determined by Dr. Rydberg. 



2o6*.2 Gymnosporangium Juniperinum (L.) Mart. Fl. Crypt. Erlang. 333. 



1817 



On Juniperus siberica. Burgsd. : 2615, June 28, 1920, Bullion Canyon, near 

 Marysvale, Piute Co. This is the first collection of this rust reported from 

 Utah 



207*.. Phragmidium imitans Arthur, N. A. Flora 7: 165. 1912 



On Rubus strigosus Mich.?: 2684, July 27, 1920, Coal Creek branch Cedar 

 Canyon, about fourteen miles from Cedar City, Iron Co. The host was sub- 

 mitted to Dr. Rydberg for determination, and he writes : " It is none of the 

 Rocky Mountain forms of red raspberry, but may be an escape of the eastern 

 R. strigosus." 



208*. Puccinia apocrypta Ellis & Tracy 



On Agropyron tenerum Vasey : 2663, II, III, July 19, 1920, Coal Creelc 

 branch Cedar Canyon, about fourteen miles from Cedar City, Iron Co. Host 

 determined by Dr. Hitchcock; rust by Dr. Arthur. 



209*. Puccinia Antirrhini Diet. & Holw. Hedwigia 36: 298. 1897 



On leaves and stems of Antirrhinum majus L. : 2507, July 12, 1919, Salt 

 Lake City, Salt Lake Co. This destructive rust of greenhouse plants is alto- 

 gether too widely spread in the greenhouses of Salt Lake and adjoining 

 counties. 



210*. Puccinia micrantha D. Griff I. Bull. Torrey Club 29: 299. 1902 



On Grossularia leptantha (A. Gray) Cov. & Britt. : 2717, Aug. 3, 1920, 

 Beaver Canyon, just below Upper Telluride Plant, about fourteen miles from 

 Beaver, Beaver Co. This collection moves the range of the species at least 

 200 miles westward. 



211*. Puccinia suavolens (Pers.) Rostr. Forh. Skand. Nat. 11: 339. 1874 



On leaves of Cirsium arvense (L.) Scop. : 2506, July 9, 1919, Provo, Utah 

 Co. This collection extends the westerly range of this species by several 

 hundred miles. 



2 Numbers followed with the asterisk (*.) are those of species not included 

 in any of the three preceding lists. 



