154 BOTANY. 
ray 2-5, of the disk 3-G ; pappus of 9-10 obtuse iinefiual e rose-denticulate 
ctiaffy scales, a little shorter than the achenium.— Plant growing in dense 
tufts, when in flower forming a conspicuous yellow round-topped bushy 
clump. From the Saskatchewan, east of the mountains, to New Mexico and 
Chihuahua, and westward to California. Western Nevada, (Bloomer.) 
From the Virginia Mountains to the Wahsatch ; 5-7,000 feet elevation ; 
July-October. (551.) 
SoLiDAGO ViRGA-AUREA, L., Var. MULTiRADiATA, T. & Gr. Stems villose- 
pubescent, especially towards the summit, mostly simple; leaves ciliate, 
oblong-lanceolate, the radical obovate and narrowed into a petiole ; heads 
largo, in a dense compound raceme or loosely corymbose ; involucral scales 
ciliolate, acute; rays 8-18.— Labrador ; Behring Strait and Mackenzie River 
to California and Colorado ; Virginia City, (Bloomer.) Three forms were 
collected :—(^.) Plant 12-18' high; heads loosely subcorymbose. (552.) 
(/;.) Plant 8-15' high ; heads thyrsoid. (553.) (c.) Plant 2-3' high ; a 
dwarf high-alpine form of the last, identical with Brewer's Californian 1792, 
but not the eastern var. alplna. (554.) Uinta Mountains, about Bear River 
Canon ; 8,000 feet altitude ; the last form on a peak 12,500 feet high ; August. 
SoLiDAGO STRiCTA, Aitou. Hudsou's Bay to Maine, Pennsylvania and 
Wisconsin. East Humboldt Mountains; 6,500 feet elevation; a single 
specimen, not yet in flower, the involucral scales rather broad, but the strict 
habit, glabrous purple stem, and narrow lanceolate leaves are sufficiently 
characteristic. August. (555.) 
SoLiDAGO GuiRADONis, Gray. Froc. Amer. Acad.j 6. 543. Smooth ; 
stems slender, erect, 2i-3° high, from a woody rhizoma; lowest leaves 
lanceolate, 6' long, 3-5" broad, tapering into a margined petiole, the cauline 
ones narrowly linear, 2-3' long, 1-3" broad ; panicle erect, not one-sided, 
very narrow and composed of few and rather small heads; involucral scales 
linear, acumhuite, the midvein broad and prominent ; rays 8-9, scarcely 
longer than the 10-12 flowers of the disk; achenia puberulent. — Base of San 
Carlos IMoiintain, California, along a creek; collected by Guirado, a native 
Californian in Prof Brewer's party. Var. spectabilis. Stems stout, 3-4° 
high; lower and radical leaves broadly oblanccolate, 8-12' long, J-li'wide, 
the petiole dilated at the l^asc ; the upper ones sessile, lanceolate ; panicle 
oblong, densely many-flowered ; heads rather large, involucral scales oblong- 
