PENNELL ARIACEAE OF THE ROCKY MOUNTAINS. 319 
July 1. South Fork of Big Cottonwood Creek, Salt Lake County, 
ah. 
2. Emigration Canyon, Salt’ Lake County, Utah. 
3. Along Madison River, along Gibbon River, Yellowstone 
National Park, Wyoming. 
3,4. Upper Geyser Basin, Yellowstone National Park, 
Wyoming. 
5. West Thumb and near mouth of Yellowstone Lake, 
Yellowstone National Park, Wyoming. 
6. Yellowstone Canyon, Hedges Peak, Yellowstone National 
Park, Wyoming. 
7. Mammoth Hot Springs, Golden Gate, Swan Lake, 
Yellowstone National Park, Wyoming. 
8. Near Gibbon Falls, Yellowstone National Park, Wyom- 
ing. 
9. Ashton, Fremont County, Idaho. 
10, 11. Pocatello, Bannock County, Idaho. 
12. Big Cottonwood Canyon, Salt Lake County, Utah. 
13-15. Silver Lake, Salt Lake County, Utah. 
14, Little Cottonwood Canyon, Salt Lake County, Utah. 
16, 17. Near mouth of Provo Canyon, Utah County, Utah. 
17. Rock Canyon, Slide Canyon, Soldier Summit, Utah 
County, Utah. 
18. Castle Gate, Helper, Price, Carbon County, Utah. 
19-21. Glenwood Springs, Garfield County, Colorado. 
22. Grand Junction, Mesa County, Colorado. 
24. Ouray, Ouray County, Colorado. 
25. Mount Abram, Ouray County, Colorado. 
26. Ouray, Ouray County, Colorado. 
27. Along Canyon Creek, along Sneffels Creek, Yankee Boy 
Basin, Ouray County, Colorado. 
28. Along Horsethief Trail, east of Ouray, Ouray County, 
Colorado. 
29, 30. Cimarron, Montrose County, Colorado. 
30, 31. Sapinero, Gunnison County, Colorado. 
31. Gunnison, Gunnison County, Colorado. 
August 1. Near Gunnison River, west of Gunnison, Gunnison 
County, Colorado. 
1, 2. Sargents, Saguache County, Colorado. _ 
3. Salida, Chaffee County, Colorado; Canon City, Fremont 
County, Colorado. 
4. Pueblo, Pueblo County, Colorado; Garden of the Gods, 
El Paso County, Colorado. 
5. Pikes Peak, El Paso County, Colorado. 
