[Vor. 4 
32 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
An herbaceous perennial, at first tomentose or at least 
tomentulose, later more or less glabrate; stems one to many 
from a perennial base, erect or nearly so, 3 to 5 dm. high, 
striate; radical and lower stem-leaves petiolate, including the 
petiole 3 to 18 em. long, 1 to 3 em. broad, sublyrately pin- 
natifid with rather remote oblong-cuneate coarsely and un- 
equally toothed lateral divisions and somewhat confluent 
terminal segments; uppermost leaves pinnatifid, sessile; in- 
florescence a terminal loose subeorymbose суше; heads rela- 
tively large, 12 to 18 mm. high, radiate; involuere campanu- 
late, sparingly calyculate; bracts of the involucre usually 21, 
narrowly lanceolate, about 1 em. long, tomentulose or gla- 
brous; ray-flowers 10 to 12, rays yellow; disk-flowers numer- 
ous; mature achenes about 5 mm. long, conspicuously ribbed, 
glabrous. 
Distribution: usually in moist ground in the Coast Ranges 
of central California to southern Oregon. 
Specimens examined: 
California: without definite locality, Fremont (Gray 
Herb.), түре; without definite locality, Hartweg (Gray 
Herb.) ; on alkaline soil at the Geysers, Sonoma Co., 26 April, 
1864, Bolander 3963 (Gray Herb., U. S. Nat. Herb., and Mo. 
Bot. Gard. Herb.); dry plains in the oak belt, Lake Co., 8 
June, 1916, Heller 12384 (Mo. Bot. Gard. Herb.); near Pit 
River Ferry, Shasta Co., 15-28 May, 1897, alt. 210-275 m., 
Н. E. Brown 2344 (Mo. Bot. Gard. Herb. and U. S. Nat. 
Herb.) ; Knoxville, Napa Co., 8 Мау, 1903, С. Е. Baker 3080 
(Gray Herb., U. S. Nat. Herb., and Mo. Bot. Gard. Herb.) ; in 
gravel and sand, at the river bridge near Redding, Shasta Co., 
26 May, 1905, Heller 7871 (Phil. Acad. Nat. Sci. Herb., Mo. 
Bot. Gard. Herb., U. S. Nat. Herb., and C. C. Deam Herb.) ; 
lava beds of northeastern Shasta Co., June, 1903, alt. 1220 m., 
Hall ё Babcock 4232 (Gray Herb.) ; Red Bluff, Tehama Co., 
6 April, 1913, Wooton (U. S. Nat. Herb.). 
Oregon: dry soil near Sprague River, 16 Aug., 1901, Cusick 
2763 (Gray Herb. U. S. Nat. Herb. and Mo. Bot. Gard. 
Herb.). 
