Vor. 11 
192 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
South Dakota: banks of stream in Rapid Creek Canyon, Rapid 
City, 19 Aug., 1891, T. A. Williams (M); Big Stone Lake, 
Aug., 1892, Т. A. Williams (M). 
Nebraska: wet places, Jim Creek, Hot Creek Basin, 4500 ft. alt., 
24 June, 1890, T. A. Williams (M); in streams and brooks, 
Halsey, 10 June, 1903, Mell & Knopf (M); Thedford, 7 Aug., 
1889, Webber (M); Franklin, 2000 ft. alt., 17 May, 1893, 
Laybourn 16 (M); Chelsea, Holt Co., 4 Aug., 1893, Clements 
2969 (Cornell). ; 
Kansas: bogs, Riley Co., 21 May, 1895, Norton 379 (M and R. 
Mt.); Arlington, 31 July, 1899, White 81 (M); St. George, 30 
May, 1892, Hitchcock (M); Manhattan, Riley Co., 10 May, 
1894, Kellerman (M). 
Oklahoma: Garfield Co., 27 June, 1900, White 149 (M); in shallow 
pond, near Doby Springs, Harper Co., 5 May, 1913, Stevens 318 
(M); in edge of creek near Knowles, Beaver Co., 5 May, 1913, 
Stevens 330 (М); in edge of spring, near Cleo, Major Co., 
8 June, 1913, Stevens 782 (M); in edge of small creek, near 
Alva, Woods Co., 16 April, 1914, Stevens 3010 (M); Woods 
Co., 28 June, 1900, White 6 (M and R. Mt.). 
Texas: seepy loam slope, Austin, 15-16 Мау, 1920, Pennell 
10444 (M); base of Glouse Mt., May, 1884, Reverchon (M); 
abundant in spring water, Pinto Canyon, near Rindosa, 
13 April, 1919, Hansen 590 (M). 
Montana: Missoula, 10 Sept., 1898, Griffith (M). 
Wyoming: P. F. Ranch, Pratt, Converse Co., 25 Aug. 1901, 
Н. B. Baker 30 (M); in а spring pool, Platt River, Natrona 
Co., 27 June, 1901, Goodding 130 (Cornell, M, R. Mt., Stan- 
ford, and Pomona); in margin of stream, Wendover, 22 Aug» 
1910, Nelson 9545 (M. and В. Mt.); Whalen Сайоп, 19 July, 
1894, Nelson 543 (Cornell, M, and R. Mt.); in a spring 
Badger, Laramie Co., 1 July, 1901, Nelson 8344 (Cornell, 
M, and R. Mt.). 
Colorado: Pole Creek to South Platt, Lieut. Bryan's Ехр., 1856, 
Engelmann (G and M); Rocky Mt. Flora, 1862, Hall & Har- 
bour 399 (Cornell and M); New Windsor, Weld Co., 26 Aug» 
1902, Osterhout 2716 (R. Mt. and Pomona); along the Platt 
River, Denver, 12 June, 1878, Jones 212 (М); wet springy 
