1918] 
GREENMAN— MONOGRAPH OF SENECIO 87 
to 15 cm. long, .5 to 3 cm. broad, rounded to obtuse at the apex, 
entire to irregularly dentate-lobed, occasionally somewhat 
glabrate; upper stem-leaves often relatively large and con- 
spicuous. 
Distribution: western Montana to Washington and Oregon. 
Specimens examined: 
Montana: ridge above Missoula, 2 Aug., 1880, Watson 234 
(Gray Herb.); Missoula Valley, July, 1892, Aiton (Mo. Bot. 
Gard. Herb.); Bozeman Cañon, 25 July, 1895, C. L. Shear 
3522 (U. S. Nat. Herb.) ; dry ground, Hamilton, alt. 1065 m., 
14 June, 1906, Blankinship 779 (U. S. Nat. Herb.); dry hill- 
sides, Lolo Valley, Lolo, Aug., 1912, J. E. Kirkwood 80 (Mo. 
Bot. Gard. Herb.). 
Idaho: in loose gravel and on granite ledges, subalpine sta- 
tions around Lake Pend d'Oreille, June, 1891, Leiberg 556 
(Mo. Bot. Gard. Herb.); mountain tops of Salmon River 
Mountains, alt. 3750 m., 17 Aug., 1895, Henderson 3845 (0. 8. 
Nat. Herb.), form; in small clumps on granite, Mackay, Cus- 
ter Co., 1 Aug., 1911, Nelson & Macbride 1540 (Mo. Bot. Gard. 
Herb.) ; sagebrush draws, Lost River Mountains, near Clyde, 
Blaine Co., 10 July, 1916, Macbride € Payson 3847 (Mo. Bot. 
Gard. Herb.) ; dry rocky slopes, Squaw Creek, near Clayton, 
Custer Co., 23 July, 1916, Macbride € Payson 3371 (Mo. Bot. 
Gard. Herb.). 
Washington: Wenatchee, 19 May, 1905, W hited 2622 in part 
(U. S. Nat. Herb. No. 620359). 
Oregon: east side of Cascade Mountains, Wilkes’ U. S. Expl. 
Exp., 1838-1842, Wilkes (U. S. Nat. Herb. No. 40121) ; Stein's 
Mountains, opposite Devine Ranch, alt. 2200 m., 4 July, 1896, 
Leiberg 2481 (U. S. Nat. Herb.); hills, Malheur Co., June, 
1897, Cusick 1626 (U. S. Nat. Herb.) ; Crow Creek, Wallowa 
Co., alt. 1250 m., Sheldon 8403 (Mo. Bot. Gard. Herb.) ; dry 
rocky granitie soil, on the Imnaha River, Wallowa Mountains, 
alt. 2000 m., Aug., 1906, Cusick 3129 (Field Mus. Herb., U. S. 
Nat. Herb., and Mo. Bot. Gard. Herb.), түре; limestone rocks, 
source of the Imnaha, alt. 2740 m., 14 Aug., 1910, Cusick 3382 
(U. S. Nat. Herb. and Mo. Bot. Gard. Herb.). 
Var. eradiatus (Wats.) Greenm. comb. nov. 
