5. Be proliferum Tf. & Ge Low plants with a much branched rather 
woody cauiex; leaves white-woolly, on both surfaces, the blades broadly ovate, 
1-1.5 cme long, obtuse, rounded at the base and narrowed to a slender petiole 
Ds 2-4 cm. long; flowering stems, several ascending, white-woolly, 10-20 cm. tall, 
forking twice or thrice toward the apex, a sessile umbel in each fopk, the 
uppermost umbels on peduncles 1-1.5 cm. long; involucre white-wooljy 5 mm. 
long, shortly toothed the teeth scarcely 1 mm. long; perianth white or whitish, 
glabrous, 4 mm. long, the outer lobes broadly obovate, the inner narrower; 
fruit not seén. 
Near Bonner'’s Ferry on basalt ledge, Hpling. 
ee 
om 
—~\ 
, tmubrella Plant. 
A Be subalvinum Greene, { Plants 20-50 cm, tall, with slender woody stolons; 
flowering stems woolly, scape-like, naked; leaves 5-8 cm, long, including the 
netiole, spatulate, the blade proper commonly elliptical, narrowed abruptly to 
the petiole, obtuse at the avex, upper surface glabrate and bright green, the 
lower with a dense felt-like tomentum; glomcrules in a simple umbel, subtended 
by a whorl of leaf-like spactulate or obovate bracts, peduncles and involucre 
woolly, involucre lobed nearly to the base, the segments spatulate or obovate, 
‘ 3@6 mi, long, whitish, sometimes flushed with rose, 4=5 mn, long, glabrous, 
attenuate to the shorter pedicel, 
Pier "1 
Subalpine slopes «nd ridges usually above 5000 ft,, rarely as low a 
c) ft, om rock outcropcs. 
paw ease Oe nee ener kaise 
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