CATALOGUE. 357 
bose or panicled ; involucre oblong, 4" long, 1" wide, the scales few, carinate, 
glabrous, 5-ranked, imbricated in about 3 series, the outer ones very short, 
the innermost linear, half as long as the brilliant yellow flowers ; appendages 
of the style linear-subulate, longer than the stigmatic portion; achenia 
hairy ; pappus of very tine bristles, nearly as long as the corolla.— Plains of 
the Upper Platte and Colorado to California, Arizona and New Mexico ; 
Mount Davidson, etc., (Bloomer.) Western Nevada to Salt Lake, often very 
abundant; 4,500-6,000 feet elevation; July-October. Inflorescence less 
corymbose and branches greener than in Bolander's 6143 from Mono 
Lake. (564.) 
Var. /?., T. & G. ''Leaves and the outcMinosi scales of the involucre, as 
well as the branches, more or less tomentose-pubescent." — Thousand Spring 
Valley, Nevada, and in the Wahsatch ; 5,500-7,000 feet elevati(ni. Heads 
in dense corymbs. (565.) 
LiNOSYEis visciDiFLOEA, T. & Gr. Shrubby, a de use bush, 1^ high, 
(2-4*^, Hook. ;) older branches with a gray bark ; younger ones smooth, 
sHghtly angled ; leaves narrowly Unear, 1-ncrved, 8-12" long, wide, 
glabrous; heads small, 5-6-flowered, the clusters in dense flat corymbs; 
involucres 2^-3" long, obconic, of loosely imbricated glabrous often resinous 
or glutinous oblong-linear obtuse scales, the outer ones very short ; corolla 
at first scarcely exserted, but as the achenium grows it considerably ex- 
ceeds the involucre ; style as in the last ; achenia hairy ; pappus of rather 
rigid and scabrous setae.— Washington Territory, Oregon, and California to 
Colorado. East Humboldt Mountains, and eastward in Nevada ; 6,000-7,000 
feet elevation ; July-September. (566.) The above character is intended 
for the typical form only ; several other forms occur in the collection. 
Var. SEERULATA, Torr., in Stansb. Rep., eel 2., p. 389. Leaves linear- 
oblong, nearly 2" wide, 3-nerved, scabrous-ciliolate. — Valley of Great Salt 
Lake, (Stansbury;) California, (Brewer;) Western Nevada, (Bloomer;) 
Colorado, (49 Parry, 295 Hall & Harbour.) West Humboldt Mountains, 
and on a ridge at the mouth of American Fork Cnnon, Walisalcli Moun- 
tains, Utah ; 5,500 feet elevation. (567.) 
Var. LATiFOLiA. Glabrous ; leaves lanceolate-()l)]()ng, 12-18" long, 3-5" 
wide, 3-nerved or indistinctly 5-nerved, mucronulate; involucral scales acute; 
heads 5-7-flowered. — Possibly a distinct species, l>ut Parry's 49 of the col- 
