1918] 
GREEN MAN—MONOGRAPH OF SENECIO 61 
involucre campanulate, sparingly calyculate, persistently 
tomentulose; bracts of the involuere (13-)21, linear-lanceo- 
late, 6 to 8 mm. long; ray-flowers 10 to 12, rays yellow; disk- 
flowers numerous, 45 to 60; achenes glabrous or rarely slightly 
hirtellous. 
Distribution: foothills and mountains, Wyoming and south- 
western South Dakota to Arizona. 
Specimens examined: 
Wyoming: Laramie Hills, 6 June, 1896, A. Nelson 1908 
(Gray Herb. and Mo. Bot. Gard. Herb.) ; Battle Lake Moun- 
tain, 17 Aug., 1897, A. Nelson 4216 (Gray Herb. and Mo. Bot. 
Gard. Herb.) ; rocky ravine, Laramie Hills, Albany Co., 4 June, 
1899, А. % E. Nelson 6822 (Gray Herb., U. S. Nat. Herb., and 
Mo. Bot. Gard. Herb.) ; shaded cations, Laramie Mountains, 
Albany Co., June, 1902, 4. Nelson 8832 (Gray Herb., U. S. Nat. 
Herb., and Mo. Bot. Gard. Herb.); near Laramie, 31 May, 
1897, Osterhout 30 (Greene Herb., Univ. of Notre Dame). 
South Dakota: Hot Springs, June, 1893, Schneck (Mo. Bot. 
Gard. Herb.). 
Colorado: Lat. 39-419, coll. of 1862, Hall € Harbour 331 
(Gray Herb., Phil. Acad. Nat. Sci. Herb., Field Mus. Herb., 
and Mo. Bot. Gard. Herb.), түре, erroneously recorded as No. 
313 in original publication; Lat. 39-419, coll. of 1862, Hall Ф 
Harbour 321 (U. S. Nat. Herb. No. 40360) ; Rocky Mountains, 
coll. of 1862, Parry (Mo. Bot. Gard. Herb.); dry woods of 
pine and spruce at great elevations, 14 June, 1870, Е. L. 
Greene 224 (Gray Herb.); Gray’s Peak, 30 July, 1872, Red- 
field 194 (Mo. Bot. Gard. Herb.); Clear Creek Сайоп, alt. 
2740 m., Hayden’s U. S. Geol. Survey, 15 June, 1873, J. M. 
Coulter (Gray Herb., U. S. Nat. Herb., and Phil. Acad. Nat. 
Sci. Herb.) ; Clear Creek, Hayden’s U. S. Geol. Survey, 20 
May, 1873, J. M. Coulter (Phil. Acad. Nat. Sci. Herb.); 
Georgetown, Wheeler's Expedition, June, 1873, Wolf € Roth- 
rock 588 [172] (Gray Herb. and U. S. Nat. Herb. No. 48767); 
Georgetown, coll. of 1875, E. L. Greene (Greene Herb., Univ. 
of Notre Dame); Georgetown Pass, near Empire, 5 Aug., 
1874, G. Engelmann (Mo. Bot. Gard. Herb.) ; high mountains 
about Gray's Peak, alt. 3050-3655 m., July, 1885, Patterson 
