1918] 
GREENMAN—MONOGRAPH OF SENECIO 57 
A low herbaceous perennial, floccose-tomentulose when 
young, more or less glabrate; stems solitary or several from 
a multicipital caudex, 5 to 10 cm. high; leaves mostly basal, 
thick and firm in texture, elliptic-ovate to spatulate-linear, 
1.5 to 5 em. long, 1.5 to 10 mm. broad, obtuse to submucronate- 
acute, entire or slightly dentate towards the apex; upper 
stem-leaves reduced to bracts; heads solitary or disposed in 
a few-headed corymbose cyme, 6 to 10 mm. high, radiate; in- 
voluere campanulate, sparingly calyculate, tomentulose to 
nearly glabrous; bracts of the involucre about 21, linear- 
lanceolate, 6 to 8 mm. long and, as well as the base of the 
margined petioles, often tinged with purple; ray-flowers 8 to 
12, rays yellow; disk-flowers 35 to 60; achenes glabrous. 
Distribution: Sierra Nevada Mountains. 
Specimens examined: 
California: Mt. Dana, alt. 3050-3655 m., 28 and 29 June, 
1863, Brewer 1734, 1750 (Gray Herb. and U. S. Nat. 
Herb.), түре; Mt. Dana, alt. 3655 m., coll. of 1863, Brewer 
2689, 2690 (Gray Herb. and U. S. Nat. Herb.) ; near Sonora 
Pass, alt. 3500 m., coll. of 1863, Brewer 1904 (Gray Herb. and 
U. S. Nat. Herb.); Sierra Nevada, coll. of 1875, John Muir 
4450 (Mo. Bot. Gard. Herb.) ; near Whitney Meadows, Sierra 
Nevada, Death Valley Expedition, 20 Aug., 1891, Coville € 
Funston 1662 (U. S. Nat. Herb.); near Mt. Whitney, Sierra 
Nevada, Death Valley Expedition, 1 Sept, 1891, Vernon 
Bailey [Coville % Funston] 2052 (U. S. Nat. Herb.) ; Mono 
Co., 2 Aug., 1894, Congdon 168 (Gray Herb.) ; Mt. Whitney, 
alt. 3960 m., 17 Aug., 1899, E. B. Copeland 51 (U. S. Nat. 
Herb.) ; on Mt. Conness, 4 Aug., 1890, Dr. Davidson (Greene 
Herb., Univ. of Notre Dame, No. 48089). 
107. S.saxosus Klatt, Anal. Naturhist. Hofmus. Wien 9: 
366. 1894; Greenm. Monogr. Senecio, I. Teil, 24. 1901, and in 
Engl. Bot. Jahrb. 32: 20. 1902; Blankinship, Mont. Agr. Coll. 
Sci. Studies 1:103. 1904; Greenm. Ann. Mo. Bot. Gard. 2: 
pl. 20, fig. 2. 1915. 
S. petraeus Klatt, Abh. Natur. Gesell. Halle 15 : 330. 1881, 
not Boiss. & Reuter; Gray, Proc. Am. Acad. 19:54. 1883; 
