1916] 
GREENMAN—MONOGRAPH OF SENECIO 143 
Eastwood (U. S. Nat. Herb.); Park Co., Williamson (C. 8. 
Williamson Herb.) ; Dickey, below Breckenridge, 2 Sept., 1885, 
ex Herb. Fritchey (Mo. Bot. Gard. Herb.) ; near Breckenridge, 
coll. of 1892, Wislizenus 1086, and Aug., 1901, Mackenzie 211 
(Mo. Bot. Gard. Herb.) ; Mt. Baldy, 15 July, 1906, Anderson 
(Mo. Bot. Gard. Herb.) ; vicinity of Twin Lakes, 2 Aug., 1873, 
Coulter (Phil. Acad. Nat. Sci. Herb.) ; Mt. Lincoln, alt. 3650 
m., 9 July, 1873, Coulter (U. S. Nat. Herb.) ; Weston's Pass, 
18 July, 1873, Coulter (U. S. Nat. Herb.) ; damp meadows, Elk 
Mountains, coll. of 1881, Brandegee (Mo. Bot. Gard. Herb.) ; 
Jack's Cabin, Gunnison Co., alt. 2520 m., 26 Aug., 1901, Baker 
612 (Gray Herb., U. S. Nat. Herb., and Mo. Bot. Gard. Herb.) ; 
vicinity of Mount Carbon, Gunnison Co., alt. 2750 m., 6 July, 
1910, Eggleston 5866 (U. S. Nat. Herb.); Marshall Pass, 27 
July, 1896, Shear 5162 (U. S. Nat. Herb.); Sargents, Sagu- 
ache Co., alt. 2580 m., 5 July, 1901, Baker 348 (Gray Herb., 
U. S. Nat. Herb., Greene Herb., and Mo. Bot. Gard. Herb.) ; 
Silverton, 5 Aug., 1897, Shear 4900 (U. S. Nat. Herb.) ; Ha- 
mor's Lake, north of Durango, alt. 2740 m., 24 July, 1898, 
Baker, Earle & Tracy 625 (Gray Herb., U. S. Nat. Herb., and 
Mo. Bot. Gard. Herb.). 
Utah: Wasatch Mountains, alt. 1525 m., May, 1869, Watson 
671 (U. S. Nat. Herb.) ; Fish Lake, National Forest, alt. 2995 
m., 19 July, 1913, Arriveé (U. S. Nat. Herb.). 
Var. Wolfii Greenm. comb. nov. 
S. Wolfii Greenm. Monogr. Senecio, I. Teil, 24. 1901, and in 
Engl. Bot. Jahrb. 32:20. 1902. 
Stems slender, 2 to 3 dm. high; lower leaves ovate-rotund 
to ovate-oblong, 7 to 20 mm. long, 5 to 13 mm. broad, rounded 
or obtuse at the apex, entire, subeordate to cuneate at the base. 
Similar to the species but somewhat more slender and with 
smaller leaves. 
Distribution: mountains of Colorado. 
Specimens examined: 
Colorado: South Park, Lieut. Wheeler's Expedition, 1873, 
Wolf € Rothrock 582, 586 (Gray Herb. and U. S. Nat. Herb.), 
TYPE; meadows, South Cottonwood Gulch, Chaffee Co., alt. 
3050 m., 9 July, 1892, Sheldon 481 (U. S. Nat. Herb.). 
