[Vor. 8 
184 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
rooted rather stout rootstoek, simple or branched, ereet, 2 
to 5 dm. high; lower leaves obovate to oblong-oblanceolate, 
including the petiole D to 2.5 dm. long, .5 to 4.5 em. broad, 
thick and firm in texture, rounded to submucronate-acute 
at the apex, entire to sinuate-denticulate, gradually narrowed 
at the base into a slightly winged petiole; stem-leaves few, 
oblanceolate to lance-attenuate, sessile and entire; inflo- 
rescence terminating the stem and branches in a simple or 
compound согутђоѕе cyme; heads 10 to 12 mm. high, 
radiate; involucre campanulate, calyculate; bracts of the 
involucre about 13, linear-lanceolate, 7 to 9 mm. long, acute, 
glabrous except at the brownish penicillate tips; ray-flowers 
8 to 10, rays yellow; disk-flowers numerous; achenes striate, 
glabrous. 
Distribution: Colorado to northern Mexico. 
Specimens examined: 
Colorado: pine woods below Berthoud’s Pass, alt. 3200 m., 
10 Aug., 1874, С. Engelmann (Мо. Bot. Gard. Herb.) ; sum- 
mit of steep mountains, Estes Park, alt. 3050 m., 7 July, 
1912, Churchill (J. R. Churchill Herb.) ; Tolland, alt. 2740 
m., 23 July, 1913, Overholts (Mo. Bot. Gard. Herb.) ; damp 
places in the valley near Empire, alt. about 3050 m., 21 July, 
1892, Patterson 199 (Gray Herb.); valley near Empire, alt. 
2590 m., July, 1892, Patterson 202 (Mo. Bot. Gard. Herb.) ; 
Breckenridge, coll. of 1887, Bereman (Mo. Bot. Gard. 
Herb.); Redeliff, Eagle Co., 17 July, 1902, Osterhout 2704 
(Phil. Acad. Nat. Sci. Herb.) ; Leadville, 6 July, 1886, Tre- 
lease (Mo. Bot. Gard. Herb.) ; ‘‘Sawatch’’ Range, alt. 3350 
m., Aug., 1880, Brandegee (Gray Herb. and Mo. Bot. Gard. 
Herb.); head waters of Clear Creek, ete., coll. of 1861-62, 
Parry 21 (Gray Herb., Phil. Acad. Nat. Sci. Herb., and Mo. 
Bot. Gard. Herb.); Lat. 39-419, Hall & Harbour 326 (Gray 
Herb., U. S. Nat. Herb., Phil. Acad. Nat. Sci. Herb., and Mo. 
Bot. Gard. Herb.); Taylor River, alt. 2895 m., Hayden's 
U. S. Geol. Survey, 3 Aug., 1873, Porter (U. S. Nat. Herb.) ; 
meadows, South Cottonwood Gulch, Chaffee Co., alt. 3200 m., 
9 July, 1892, Sheldon 169, 488 (U. S. Nat. Herb.) ; Silverton, 
