Se Ee Piperi Greene. Plants 20-30 cm. tall _ 
uations), tufted but branching, the branches densely covered with old leaf. 
petioles, stems silky-villous, scape-like, without a whorl of leaves near the 
middle; leaves 5-8 cme long (with the petiole), oblanceolate, Obtuse, narrowed 
ween to a silky petiole subequal to the blade, upper surface Silky to glabrous 
but green, the lower @gmerwd with a dense felt-like tomentum; glomerules in a 
Simple umbel, subtended by a whorl of leaf-like bracts, peduncles and the invol- 
ucre silky-villous; involucre tubular, top-shaped, 4-6.5 mm. long, scarcely 
lobed the lobes at most 1-1.5 mm. long; perianth bright s low, 4-5 mn. 
long, silky-villous without, narrowed e@eciugebess to the pedicel which is twice 
as long. (E, flavum Nutt. subsp. Piveri (Greene) Stokes). 
_Subalpine slopes and ridges, mostly above 6000 feet. 
Ee compositum Dougl. var, leianthemun Benth, Leaves 28 om, long, oblong-ovate 
qd ‘ acta 3 
cordate; peduncles stout, naked; umbel compound, the perianth yellowish, glabrous 
= F 
Réd abrat —! ~ t. + roa ieee coe 
o» glabrate,—'On bare trap rocks, Upper Palouse River, between Spokane and 
Xooskooskie [Clearwater] . Geyer 410, 4/70, 
4 
—— _E. heracleoides Nutt. Plants 50-40 cm. tall, branching freely at the 
“base, the bark purplish brovm, flaking away, flowering stems tufted, more or less 
arachnoid-woolly, commonly with a whorl of 6-8 leaves near the middle; basal 
leaves clustered at the tips of branches, 5-5 cme long (incl. the petiole) narrowly 
oblanceolate, obtuse or acute, attenuate at the base to a narrow petiole, upper , 
Surface more or less cobwebby or silky but green, lower surface covered with a dense 
feltlike toméntum; glomerules in simple or Compound umbels, each umbel subtended ’ 
by a whorl of leaZ-like bracts; involucre lobed half way to the base, the lobes 
lanceolate, woolly; perianth glabrous, yellowish or whitish, rarely sulphur yellow, 
Sometimes tinge: with red, 2.5 mn. long, increasing to 6 mm., narrowed etethepasp 
to a slender stipe, passing into a subequal pedicel; achenes ovate-lanceolate, ‘ 
hirtelious on the angles. 
4 
q) Roclor ledges mostly bolow 4000 ftes; infreouent, 
subsp, angustifoliun (Nutt. ) Stokes. Similar, the lesves 2=% mi, wide, linesr, 
L) ~ — + . NAIM a4 ve teas <r 
—voners terry, spling 10428; \.es: Kootenai, ivall, 
pa Road 
