248 
Mycologia 
abundant as on Amelanchier alnifolia, nor apparently so perfectly 
developed. 
This aecidium was described by Kern as Roestelia Harknessi- 
anoides. 
154. * Melampsora albertensis Arth. II, Bull. Torrey Bot. 
Club 33: 517. 1906 
On leaves of Populus tremuloides Michx. : 2248, August 19, 
1911, Abajo Mts. near West Mountain, San Juan Co., alt. about 
3,030 m. Dr. Arthur has confirmed by cultures that this rust has 
its aecia on Pseudotsuga mucronata (Arthur ; Cultures of Ure- 
dineae in 1911 — Mycol. 4: 58. 1912). 
155. * Phragmidium occidentale Arth.; Earle, in Greene, PI. 
Baker. 2: 3. 1901 
On Rubus parviflorus Nutt.: 2246, August 18, 1911, Abajo 
Mts. below Innes’ sawmill. Alt. about 2,788 m. This rust has 
also been collected in Emigration Canyon, Salt Lake County. 
156.* Puccinia acrophila Peck Bot. Gaz. 6: 227. 1881 
On Synthyris laciniata (A. Gray) Rydb. : 2136, August 24, 
1910, mountains above Lake Blanche, Big Cottonwood Canyon, 
Salt Lake County. 
Mrs. Mary Strong Clemens collected the same species of rust 
on Synthyris pinnatifida Wats, at Mt. Minnie, Little Cottonwood 
Canyon, Salt Lake County, on August 16, 1911. The type was 
collected in Utah on the last-named host by Professor Marcus E. 
Jones. 
157.* Puccinia Actinellae (Webb) Syd. Monogr. Ured. 1 : 4. 
1904 
On Tetraneuris leptoclada (A. Gray) Greene: 2201, Aug. 3, 
1911, rim-rock above Armstrong Canyon near Edwin Natural 
Bridge, San Juan County; alt. about 1 ,788 m. 
158.* Puccinia Adoxae DC. Flore Franc. 2: 220. 1805 
On leaves and stems of Adoxa Moschatellina L. : 2239, August 
17, 1911, Abajo Mts., San Juan Co., at about 3,333 m. alt. 
