Garrett: Smuts and Rusts of Utah 
251 
170.* Puccinia Pseudocymopteridis Holw. I, III, N. A. Ure- 
dineae i 4 : 91. 1913 
On Pseudocymopterus montanus (A. Gray) C. & R. : 2161, I, 
July 12, 1911, near Gold Basin, La Sal Mts., San Juan Co. 
2244, I, III, Aug. 18, 1911, Abajo Mts. below Innes’ sawmill. 
On Pseudocymopterus Tidestromii C. & R. : 2150, July 5, 1911, La 
Sal Mts., San Juan Co. near Gold Basin. 
171.* Puccinia Rydbergii Garrett, sp. nov. III. 
Telia small, amphigenous, chestnut-brown, tardily pulverulent, 
surrounded by the ruptured plumbeous epidermis, often confluent. 
Teliospores cinnamon-brown, elliptical, rounded at both ends, 
26-32 X 16-18 /<.; germ-pore at apex of upper cell and near the 
base of the lower cell ; pedicels hyaline, fragile. 
On Sedum stenopetalum Pursh: 2152, July 7, 1911, mountains 
above Gold Basin, La Sal Mts., San Juan Co.; alt. about 3,390 
m. Collected by Rydberg & Garrett. 
This species differs from Puccinia Rhodiolae B. & Br. mainly 
in the uniformly smaller spores. 
172.* Puccinia Sieversiae Arth. Bull. Torrey Bot. Club 
31: 3. 1904 
On Sieversia turbinata (Rydb.) Greene. Collected by L. N. 
Goodding (No. 1 377), at Fish Lake, July 17, 1902. 
173* Puccinia tardissima Garrett, sp. nov. II, III. 
II. Uredosori amphigenous, elongated, dull cinnamon-brown ; 
uredospores spherical to elliptical, verrucose, yellowish-brown, 
17-21 X 21-23 ju,; germ-pores 4, scattered. 
III. Telia like the uredosori, but darker; very rarely met with, 
the teliospores usually occurring mixed with the uredospores. 
Teliospores dark-brown, elliptical, 21-24X25-35/4; their walls 
thin. 
On Arenaria sp. : 2116, Oct. 9, 1909, mountain-side south of 
Wasatch Resort, Little Cottonwood Canyon, Wasatch Mts. Type. 
Also collected by E. Bethel in II only on Arenaria subcongesta 
(Wats.) Rydb., Aug. 23, 1907, at Ouray, Colo., and by E. T. & E. 
Bartholemew on Arenaria congcsta Nutt., Aug. 30, 1913 (No. 
