CATALOGUE. 
151 
to Nebraska. Salt Lake Valley, and Parley's Park, Walisatch Mountains ; 
4,300-6,000 feet elevation ; June, July. (539.) To this species is also re- 
ferred a plant with shorter and broader rays, rather broader leaves, and a 
coarser pubescence, apparently as near to E. hellidifolium as to E. glabellum. 
Meadow near head of Cottonwood Canon, Wahsatch ; 8,500 feet elevation ; 
July. (540.) 
Erigerok pumilum, Nutt. Very hirsute with spreading hairs ; stems 
6—10' high, often many from an erect branching perennial caudex, simple and 
monocephalous or with 2-3 peduncled heads, leafy ; lower leaves linear-spat- 
ulate, 2-2|^' long, 1" wide, upper ones narrowly linear, passing into subulate 
bracts ; heads about 1' broad ; involucres of many subefpial narrow linear hir- 
sute scales ; rays white ; -h' wide, twice or nearly 3 times as long as the invo- 
lucre ; achenia slightly hairy ; outer pappus of minute subulate bristles. — 
Plains of Dakota and Nebraska to New Mexico. Valley of Great Salt Lake ; 
May, June. (541.) 
Erigeron concinnum, T. &. Gr. Canescent with harsh spreading hairs ; 
stems 6-10' high, often several from an erect perennial caudex, leafy, branch- 
ing ; lower leaves linear-spatulate, 3' long, wide, upper ones linear ; 
heads 10-12" broad ; involucre of many very narrow hirsute or pubescent 
scales ; rays blue, i»' wide, as long as in the last or longer ; achenia hirsute ; 
outer pappus of narrow squamellse, — Oregon to Utah; Salt Lake Valley, 
(Stansbury.) Havallah Mountains and Kuby Valley, Nevada; 5,500-6,000 
feet elevation ; June, July. (542.) 
Var. CONDENSATUM. Stems low, 2-3' high, mainly monocephalous, very 
numerons and crowded from a stout woody branching caudex ; leaves \-\^ 
long, i-l" wide, somewhat rigid and exceedingly hirsute ; outer pappus of 
rather wide rigid and slightly toothed squamellce. — Ridge at Roberts' Station, 
6,000 feet, and East Humboldt Mountains, 8-9,000 feet altitude ; July. (543.) 
Var. APHANACTis, Gray. Proc. Amer. Acad., 6. 540. Like the type, but 
the rays much reduced and shorter than the style. — Carson City, (Anderson.) 
Virginia City, (Bloomer.) Foot-hills near Unionville, and mountain-side 
above Sulphur Spring Station, Nevada ; 5-6,000 feet elevation ; June, 
July. (544.) 
Erigeron Breweri, Cray. Froc. Amer. Acad, 6. 541. "Minutely cine- 
reous-pubescent; stems 9-12' high, leafy to the top, rising from a slender 
creeping rootstock ; leaves oblanceolate or linear-spatulate, (1' long, 1" wide,) 
