[Vor. 3 
170 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
minal few to many-headed corymbose cyme; heads 10 to 13 
mm. high, radiate; involucre campanulate, sparingly calyecu- 
late; bracts of the involuere about 21, linear-lanceolate, 7 to 
10 mm. long, usually pale green, glabrous or slightly floceose- 
tomentulose; ray-flowers 10 to 13, rays yellow; disk-flowers 
numerous, about 60; achenes glabrous. 
Distribution: Mackenzie south to Saskatchewan, west to 
eastern Washington. 
Specimens examined: 
Mackenzie: Fort Smith, 4 Aug., 1901, Е. А, & A. E. Preble 
172 (U. B. Nat. Herb.). 
Saskatchewan: without definite locality, Palliser’s British 
N. Am. Expl. Expedition, 1858, E. Bourgeau (Gray Herb.) ; 
Cypress Hills, province of Assiniboia, 24 June, 1894, Macoun 
5070 (Gray Herb. and U. 8. Nat. Herb.). 
Alberta: dry or rocky soil, Bow Valley, five miles west of 
Calgary, 14 June, 1913, Moodie (U.S. Nat. Herb.). 
British Columbia: Kicking Horse Valley, vicinity of Field, 
alt. 1220 m., 20 June-25 July, 1906, Brown 486, 487 (Phil. 
Acad. Nat. Sci. Herb.); Glacier, 30 July, 1901, Williamson 
(С. S. Williamson Herb.) ; cleared land at Howser Lake, alt. 
610 m., 15 June, 1905, Shaw 722 (U. S. Nat. Herb.) ; Trail, 10 
June, 1902, Macoun 64989 (Gray Herb.) ; Trail, 18 June, 1902, 
Macoun 64992 (Gray Herb. and Mo. Bot. Gard. Herb.) ; rocky 
valley of Fraser River, above Yale, 22 July, 1880, G. Engel- 
mann (Mo. Bot. Gard. Herb.). 
Idaho: wet soil, Kootenai Co., alt. 900 m., July, 1900, Lei- 
berg (Mo. Bot. Gard. Herb.). 
Washington: Coleville Reservation, June, 1902, Griffiths 
Ф Cotton 366 (U. S. Nat. Herb.). 
Oregon: sandy flats, Cascades, 25 Мау, 1869, Kellogg d 
Harford 537 (Gray Herb., U. S. Nat. Herb., and Mo. Bot. Gard. 
Herb.) ; Multnomah Co., June, 1877, T. J. Howell 221 (Gray 
Herb.), түрЕ. 
72. 8. laetiflorus Greene, Pittonia 3:88. 1896. 
S. aureus var. borealis Eaton, in Bot. King's Exp. 190. 
1871, not Torr. & Gray. 
