. [Vor. 8 
108 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
4965 m., 21 July, 1886, Letterman 67 (Mo. Bot. Gard. Herb.) ; 
Стау в Peak, July, 1888, Eastwood (U. 5. Nat. Herb.); Mt. 
Baldy, alt. 3655 m., 11 July, 1891, Smith (Mo. Bot. Gard. 
Herb.) ; Mt. Princeton, alt. 2115 m., 21 July, 1892, Sheldon 172, 
491 (U. S. Nat. Herb.) ; stony slopes of Sheep Mountain, alt. 
4995 m., coll. of July, 1893, Purpus 680 (Field Mus. Herb.) ; 
La Plata Mountains, alt. 3350-3600 m., 15 July, 1896, Tweedy 
536 (U. S. Nat. Herb.) ; Cameron Pass, alt. 3600 m., 16 July, 
1896, Baker (Mo. Bot. Gard. Herb.); Cumberland Mine, La 
Plata Mountains, alt. 3750 m., 15 July, 1898, Baker, Earle & 
Tracy 534 (Gray Herb, Kew Herb., U. S. Nat. Herb., Field 
Mus. Herb., and Mo. Bot. Gard. Herb.); Mt. Baldy, near 
Breckenridge, alt. 3960 m., Aug., 1901, Mackenzie 164 (Phil. 
Acad. Nat. Sci. Herb. and Mo. Bot. Gard. Herb.). 
48. S. obovatus Muhl. ex.Willd. Sp. Pl. 3:1999. 1804; 
Pursh, Fl. Am. Sept. 2:530. 1814, and ed. 2, 1816; Nutt. Gen. 
2:165. 1818; Ell. Sketch 329. 1824; Eaton, Manual of Botany 
454. 1824; DC. Prodr. 6:432. 1837; Heller, Cat. N. Am. PL 
146. 1898, and ed. 2, 230. 1900; Britton & Brown, Ill. Fl. 3:478, 
fig. 4041. 1898, and ed. 2, 545, fig. 4627. 1913; Britton, Manual 
1027. 1901, and ed. 2, 1905; Greenm. Rhodora 3:5. 1901; 
Monogr. Senecio, I. Teil, 24. 1901, and in Engl. Bot. Jahrb. 
32:20. 1902; Porter, Fl. Penn. 339. 1903; Keller & Brown, 
Handb. Fl. Phil. and Vicinity 343. 1905; Small, Fl. South- 
eastern United States 1304. 1903, and ed. 2, 1913; Greenm. in 
Gray, Manual, ed. 7, 854. 1908; Graves et al. Conn. Geol. and 
Nat. Hist. Surv. Bull. No. 14, p. 404. 1910; Small & Carter, Fl. 
Laneaster County 310. 1913. 
S. obtusatus Banks ex Pursh, Fl. Am. Sept. 2:530. 1814, 
and ed. 2, 1816; DC. Prodr. 6:432. 1837. 
S. Elliottii Torr. & Gray, Fl. N. Am. 2:443. 1843; Chapman, 
Fl. Southern U. S., ed. 1, 245. 1860, and ed. 2, 1889. 
S. aureus var. obovatus Torr. & Gray, Fl. N. Am. 2:442. 
1843; Gray, Syn. Fl. N. Am. 12:391. 1884, and ed. 2, 1886; 
Macoun, Cat. Canadian РІ. 265. 1884, in part; Chapman, КІ. 
Southern U. S., ed. 3, 266. 1897. 
An herbaceous perennial, glabrous or slightly tomentulose ; 
stems erect, 2 to 5 dm. high, simple or branched, often stoloni- 
