(Vol. 8 
210 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
July 13, 1905, Osterhout 3029 (Geo. Osterhout Herb. and Rky. 
Mt. Herb.). 
40a. Var. spathulata (Rydb.) Payson, new comb. 
Lesquerella spathulata Rydb. Contr. U. S. Nat. Herb. 3: 486. 
1896; Britton & Brown, Ill. Fl. 2: 136. 1897, ed. 2, 2: 154. 
1913; Rydb. Mem. N. Y. Bot. Gard. 1: 179. 1900; Petersen, 
Fl. Nebraska, 62. 1912; Rydb. Fl. Rocky Mountains, 332. 
1917; Bergman, Fl. North Dakota, 191. 1918. 
Vesicaria alpina Macoun, Cat. Canadian Pl. 1: 54. 1883. 
Lesquerella alpina Webber, Cat. Fl. Nebraska, 119. 1890. 
L. nodosa Greene, Pittonia 4: 309. 1901. 
Stems 3-12 em. long; radical leaves oblanceolate to ovate, 
1-4 em. long; petals yellow; filaments linear; pedicels sigmoid, 
5-10 mm. long; pods ovate, acute, usually compressed at the 
apex; ovules 2-4 in each cell. 
Distribution: Northwest Territory, Saskatchewan, Alberta, 
Montana, western North and South Dakota, northwestern 
Nebraska, and northeastern Wyoming. 
Specimens examined: 
Northwest Territory: Cypress Hills, Aug. 4, 1880, Macoun 
(U. S. Nat. Herb.). 
Saskatchewan: Wood Mountain Post, Assiniboia, June 17, 
1895, Macoun 10511 (Mo. Bot. Gard. Herb.); Milk River, As- 
siniboia, July 13, 1895, Macoun 10313 (Mo. Bot. Gard. Herb.). 
South Dakota: Short Pines, Harding County, June 9, 1911, 
Visher 444 (Rky. Mt. Herb.): summit of Eagle Nest Butte, 
Washabaugh County, May 30, 1914, Over 2008 (U. S. Nat. 
Herb.); Bad Lands, July, 1855, Hayden (Mo. Bot. Gard. Herb.). 
Montana: hills, Midvale, June 17, 1908, Umbach 85 (U. S. 
Nat. Herb.); Duck Lake, June 23, 1901, Weller (U. S. Nat. 
Herb.); Falls of the Missouri, May, 1879, Havard (U. S. Nat. 
Herb.); Great Falls, May 31-July 13, 1888, Williams 6 (U. S. 
Nat. Herb.); high, sterile chalk hills on the Yellowstone, 1853-4, 
Hayden (Mo. Bot. Gard. Herb.); Deer Lodge Valley, July 19, 
1905, Jones (U. S. Nat. Herb.); dry upland benches, Anaconda, 
May 19, 1906, Blankinship 659 (U. S. Nat. Herb.); Custer, 
May 4, 1890, Blankinship 30 (U. S. Nat. Herb. and Mo. Bot. 
Gard. Herb.). 
