[Vor. 11 
238 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
fornia. The type was colleeted by Meriwether Lewis on the 
Lewis & Clark Expedition. 
Specimens examined: 
Alberta: Glacier track, Alberta, 21 July, 1901, Waldron 142 (R. 
Mt.). 
British Columbia: Burnt Woods, Spillimacheen Valley, 6600 ft. 
alt., 3 Aug., 1904, Shaw 434 (M and R. Mt.); by a rivulet, 
alpine meadow in the Big Bend District, 6000 ft. alt., 24 July, 
1905, Shaw 984 (M); west of Skagit River, 17 Aug., 1905, 
Macoun 76792 (Pomona); Chilliwack Valley, 29 June, 1901, 
Macoun 54485 (М); Griffin Lake, 6 July, 1890, Macoun (М); 
Glacier, July, 1896, Dudley (Stanford) ; Glacier, Asulkan Valley, 
4100-6000 ft. alt., 19 July, 1906, S. Brown 588 (Phil. and M). 
Montana: Spanish Peaks, 20 July, 1901, Vogel (R. Mt.); stream 
. margins, Sourdough Cañon, near Bozeman, 6000 ft. alt., 11 
July, 1905, Blankinship 390 (M); Granite Park, 6200 ft. alt., 
Aug., 1910, Kirkwood 28, 29 (М and Pomona) ; Bozeman Cañon, 
6000-7000 ft. alt., 27 July, 1898, Blankinship (M); Helens, 
July, 1892, Starz (M); stream beds, Yellowstone Lake shore, 
8000 ft. alt., 1 Aug., 1907, Essig (Pomona); Mountain Pass, 
Sperry Glacier, 1 Sept., 1903, Umbach 796 (Stanford); Мас- 
Dougal Peak, 31 July, 1908, Clemens (Stanford); Summit, 
Swan Mts., 6500 ft. alt., 5 Aug., 1906, Elrod (Stanford); 
mountain streams, White Sulphur Springs, 6500 ft. alt., 16 
July, 1883, Scribner 189 (Phil); Summit, Great Northern 
Railway, 25 July, 1894, R. S. Williams (R. Mt.). 
Wyoming: wet banks, Little Goose Cañon, Sheridan Co., 28 
July, 1901, Nelson 8523 (Cornell, M, and В. Mt.); near stony 
water courses, Centennial, Albany Co., 7 Aug., 1900, № elson 
6276 (M, R. Mt., and Pomona); in creeks, Bridger Peak, 
Carbon Co., 22 Aug., 1903, Goodding 1956 (М and R. Mt); 
Centennial Valley, 16 July, 1895, Nelson 1672 (Cornell, R. Mt» 
and M); borders of alpine brooks, 1873, Parry 212 (M); 
Saratoga, 11 June, 1892, Buffum 702 (В. Mt.); Teton Peaks, 
21 Aug., 1894, Nelson 3531 (В. Mt.); rocky creek bed, ne. 
Camp Fox, 13 Aug., 1899, Wilkerson 10 (R. Mt.); summit 
Teton’s above Lee’s Lake, 11000 ft. alt., 26 July 1901, M 
& Wilcox 1072 (G and R. Mt.); along stream, Teton pee 
