1918] 
GREENMAN—MONOGRAPH OF SENECIO 83 
of S. Laramiensis; Green River, 25 June, 1895, Shear 4373 (U. 
S. Nat. Herb.) ; Pole Creek, 30 June, 1895, A. Nelson 1379 (Mo. 
Bot. Gard. Herb.); Laramie Hills, 25 June, 1898, A. Nelson 
4360 (Mo. Bot. Gard. Herb.), type of S. collinus; Hoodoo 
Peak, alt. 3350 m., 10 Aug., 1897, P. Koch 20 (Mont. Agr. Coll. 
Herb.) ; naked, red, triassie ridges, Sand Creek, Albany Co., 
31 May, 1900, A. Nelson 6957 (Gray Herb., U. S. Nat. Herb., 
and Mo. Bot. Gard. Herb.) ; Hunt Mountain, Big Horn Moun- 
tains, alt. 3050 m., 21 July, 1900, J. G. Jack (Gray Herb.) ; 
dry subalpine slopes, Medicine Bow Mountains, Albany Co., 
2 Aug., 1900, A. Nelson 7935 (Gray Herb., U. S. Nat. Herb., 
and Mo. Bot. Gard. Herb.) ; river bottoms, Encampment, Car- 
bon Co., alt. 2740 m., 15 June, 1901, Tweedy 4123 (U. S. Nat. 
Herb.); crevices of rocks, Leucite Hills, 17 June, 1901, Mer- 
rill & Wilcox 505 (U. S. Nat. Herb.) ; dry grounds, Point of 
Rocks, 17 June, 1901, Merrill ё Wilcox 669 (U. S. Nat. Herb.) ; 
dry hillsides, Dyer's Ranch, Carbon Co., 21 June, 1901, Good- 
ding 79 (Gray Herb., U. S. Nat. Herb., and Mo. Bot. Gard. 
Herb.); dry hillsides, Red Buttes, Albany Co., June, 1903, A. 
Nelson 8937 (U. S. Nat. Herb.). 
Colorado: dry summits at limit of trees, near Golden City, 
coll. of 1871, Е. L. Greene 534 (Gray Herb.) ; Floral Moun- 
tain, near Georgetown, alt. 3960 m., 16 Aug., 1884, C. S. Shel- 
don 274 (U. S. Nat. Herb.) ; Silverton, July, 1889, Eastwood 
(U. S. Nat. Herb.) ; Mt. Princeton, Chaffee Co., alt. 3655 m., 
23 July, 1892, C. S. Sheldon 162, 482 (U. S. Nat. Herb.) ; moun- 
tains northeast of Boreas, alt. 3350-3960 m., 2 Aug., 1895, 
State Agr. Coll. Colo. 3028 (U. S. Nat. Herb.) ; alpine rocky 
ridges, Rabbit Ears, Larimer Co., 14 June, 1903, Goodding 
1539 (U. S. Nat. Herb. and Mo. Bot. Gard. Негһ.).. 
Utah: Uintas, alt. 3810 m., Aug., 1869, Watson 672 (Gray 
Herb. and U. S. Nat. Herb.) ; Brigham Peak, alt. 3565 m., 29 
Aug., 1894, M. E. Jones 5941 (Mo. Bot. Gard. Herb.); Mt. 
Barrette, 26 July, 1905, Rydberg & Carlton 7222 (U. S. Nat. 
Herb.). 
121. 8. Howellii Greene, Bull. Torr. Bot. Club 8: 98. 1881; 
Greenm. Monogr. Senecio, I. Teil, 24. 1901, and in Engl. Bot. 
