252 
Mycologia 
5232), Yellowstone Park, Wyo. This latter collection shows the 
teliospores as sparse as in the collection made in Utah in October. 
This species has been confused with Puccinia modica Holw., 
from which it differs especially in the very thin walls of the teli- 
ospores and in their sparse production. 
174.* Puccinia tumidipes Peck, Bull. Torrey Bot. Club 
12: 34. 1885 
On Lycium pallidum Miers. : 2196, July 31, 1911, Hammond 
Canyon, Elk Mts., San Juan Co., alt. about 1,434 m. 
175. * Puccinia turrita Arth. Bull. Torrey Bot. Club 
29: 230. 1902 
On Saxifraga austro-montana Wiegand: 2173, July 15, 1911, 
La Sal Mts., San Juan Co., alt. about 3,272 m. 
176. * Puccinia variolans Hark. Bull. Cal. Acad. Sci., 
p. 15, 1884 
Mentioned in Arthur & Holway’s Descriptions of American 
Uredineae, I, page 56, as having been collected in Utah on Aplo- 
pappus spinosus DC. 
177. * Uredo Castilleiae T. & E. Proc. Calif. Acad. 
5: 731- 1895 
On Castilleja affinis H. & A. Collected by Professor Marcus 
E. Jones, July 19, 1894, Capitol Wash, alt. 1,500 m. 
178. * Uromyces aemulus Arth. Bull. Torrey Bot. Club 
38: 373- I9 11 
On Allium acuminatum Hook: 363, June 3, 1904, Farmington 
Canyon, Davis Co., 1,700 m. alt. This species was found mixed 
with Puccinia Blaisdalei H. & A. in the collection reported in No. 
80 of the writer’s previous list. Dr. Arthur called attention to it 
in Mycologia 2 : 290. 1910. 
