[Vor. 5 
82 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Spanish Basin, Gallatin Co., alt. 1980 m., 15 June, 1897, Ryd- | 
berg € Bessey 5259 (Gray Herb., Mont. Agr. Coll. Herb., Ber- 
lin Herb., and U. S. Nat. Herb.) ; Gallatin and Park Counties, 
without date, Burle Jones (U. S. Nat. Herb. and Mo. Bot. 
Gard. Herb.) ; dry uplands, Bozeman, 29 June, 1897, Blankin- 
ship (Gray Herb.); Baltie, 30 May, 1900, E. V. Wilcox 278 
(U. S. Nat. Herb.) ; Sedan, Gallatin Co., 11 June, 1901, В. J. 
Jones (Gray Herb.); university campus and hillsides, Mis- 
soula, alt. 1000 m., 11 June, 1901, MacDougal 124 (Gray Herb. 
and U. S. Nat. Herb.) ; hills, Midvale, 16 June, 1903, Umbach 
70 (U. S. Nat. Herb.) ; Bozeman, 16 June, and dry ridges, Mt. 
Bridger, alt. 1825 m., 17 July, 1905, Blankinship 290 (Phil. 
Acad. Nat. Sci. Herb. and U. S. Nat. Herb.) ; Mystic Lake, alt. 
2040 m., 11 July, 1905, Blankinship 290 (Mo. Bot. Gard. 
Herb.) ; near Bozeman, without date, V. K. Chestnut & W. W. 
Jones 231 (U. S. Nat. Herb.). 
Yellowstone National Park: East Fork, July, 1885, Tweedy 
(U. S. Nat. Herb.) ; dry hills near Mammoth Hot Springs, alt. 
1825 m., June, 1893, Burglehaus (U. S. Nat. Herb. No. 49295) ; 
dry gravelly slopes, Glen Creek, 30 June, 1899, 4. % E. Nelson 
5577 (Gray Herb., U. S. Nat. Herb., and Mo. Bot. Gard. Herb.) ; 
without definite locality, 13, 17, and 20 May, and 12, 15, and 18 
June, 1902, Mearns 690, 760, 825, 1061, 1153, 1225 (U. S. Nat. 
Herb.); Electric Peak, 26 July, 1902, ** E. C. 8.” 181 (U. 8. 
Nat. Herb.). 
Wyoming: rich wooded bottoms in Jackson's Hole on Snake 
River, alt. 1825 m., 15 June, 1860, Hayden (Mo. Bot. Gard. 
Herb.); on Madison River, alt. 1370-2130 m., 28 June, 1860, 
Hayden (Mo. Bot. Gard. Herb.); Northwestern Wyoming 
Exp., coll. of 1873, Parry 169 (Gray Herb.); Yellowstone 
River, coll. of 1878, Havard (Gray Herb.) ; without locality, 
Tweedy (U. S. Nat. Herb. No. 49294) ; Horse Creek, 6 June, 
1893, A. Nelson 36 (U. S. Nat. Herb.) ; Saratoga, without date, 
A. Nelson 115 (U. S. Nat. Herb.); northwestern Wyoming, 
coll. of 1893, Rose 148 (U. S. Nat. Herb.) ; Red Hills, north of 
Laramie, 4 June, 1894, А. Nelson 178 (Phil. Acad. Nat. Sci. 
Herb.) ; dry soil, Laramie Hills, 15 June, 1894, А. Nelson 224 
(Gray Herb., U. S. Nat. Herb., and Mo. Bot. Gard. Herb.), type 
