200 
the Wahsatcli near Parley's Park ; 6,500-7,000 feet elevation ; July-Sep- 
tember. (703.) 
HiERAciUM ALBIFLOEUM, Hook. Stems 1-3° liigk, rather slender, smooth 
above, hispid near the base, like the petioles and midribs, with rather long 
deflexed hairs ; leaves mostly radical or low on the stem, oblong-lanceolate, 
acute, entire or denticulate ; heads rather small, on nearly smooth bracteolate 
pedicels, in a compound at length very open corymb ; involucre nearly 
ecalyculate, the blackish scales sparsely hairy ; flowers white, about 20 ; 
achenia very slightly narrowed toward the summit. — Rocky Mountains of 
British America to Oregon and California, and eastward to Colorado; Carson 
City, (Anderson.) Cottonwood Canon in the Wahsatch, aud Bear River 
Canon, Uintas ; 7-8,000 feet elevation; July, August. (704.) 
IIiERAciiJM TRISTE, Willd. Stem slender, simple, 6-15' high, smooth 
below, hispid with blackish-fuscous hair above ; leaves chiefly radical, hirsut- 
ulous or smooth, entire or remotely denticulate, tapering into slender petioles ; 
heads few in a simple raceme or corymb ; involucres hispid with blackish 
hairs ; flowers 20-40 ; achenia oblong, not tapering to the summit. — Unalaska, 
and in the Rocky Mountains of Northern British America, to California and 
the Mountains of Colorado. Ridges of the Uintas, above Bear River Caiion, 
at 9-10,000 feet elevation ; August. (705.) 
Lygodesmia juncea, Don. From the Saskatchewan along the moun- 
tains to New Mexico and Texas, and eastward to Wisconsin. Grravelly slopes 
of Unionville Valley, Nevada ; 5,000 feet elevation; June. Flowers light- 
pink ; tlie ordinary form, with the leaves very slender, not over 2' long, and 
the involucre 6'' long. (706.) 
Van DiANTiiopsis. {L. juncea, Dur. Bot. Utah., 169.) Involucre 9-11" 
long; ligules .-xscrted quite as much, 3" wide ; leaves rather stout, 2-4" long.— 
Ishuids of Great Salt Lake, and gravelly slopes near the city; May, June. 
Collected also by Stansl)ury, by Mrs. Carrington, and by Fre^mont in his 
s."con<l cxprdilion. Ib>ads v<>ry much resembling a single-flowered carnation, 
and the Icavrs also ar(> not dissimilar. (707.) 
Lygodesmia spinosa, Nntt. Stems 8-14^ high, several from a woody 
base, bearing many short divergent very rigid and spine-like branches ; 
radical and lowrr l.avcs linear, 2-3' long, the former with tufts of matted wool 
in their axils, the wool afterward enveloping the base of the stem; upper 
leaves reduced to minute su])ulatc bracts; heads usually soHtaryon the ends 
