238 COMPOSITAE 
linear (rarely with a few small lobes), gies 5-9 mm. long; heads turbinate, Ae poe or 2-3 a 
ends _ bran oT the peduncles 2-8 cm g: phyllar aries few, unequal, 4-12 m linear, ae 
oO at cent and gr tory & elandulr' corollas white or pink, ef; mm. “long, sparsely 
puberalent seithent, densely so e lo : achenes densely hirsute, 7-8 mm. long; pappus-paleae 
4-18, unequal in le ngth, the ins slightly shorter than the corollas, linear- gc camarss. 
os saat slopes and in chaparral, phar Sonoran Zone; San Jacinto and Santa Ros ntai River- 
side County, California, southward through the mountains of Sa ies (od to Chior ioe California. 
Type locality: ‘‘southern border of California.’”” May-July. 
3. Chaenactis suffrutéscens A. rues alas Chaenactis. Fig. 5389. 
Chaenactis suffrutescens A. Gray, P. me 
Chaenactis sciiceliaanies var. incana Sandoet Contr. sini cia 3: 108. 1940. 
Perennial from a woody r with several to many stems, erect or decumbent and woody 
ste 2.5-4.5 me itn ly creche bole eey rier the leafy branches terminated by large solitary 
, the low s densely and —. lanate. Leaves 5-10 cm. long, the petiole shorter 
in 
dina the stems, sometimes becanileg Hlabrate: heads large, many-flowered, on densely glandular, 
fistulous peduncles 10-20 cm. long, usually bearing a few linear bracts; phy senigt unequal, 6-18 
mm. Sys linear, ohtase or acute, densely g ras a Rage corollas white, about 8m ong, puberulent 
without especially on the lobe: es; achenes densely hirsute, about the length of the pe ee pappu 
paleae 10, ats Rete equal i in length and a little Portes than the corolla. 
ot plains and slopes, Arid Transition Zone; mountains a ppiskiren and Trinity Counties, California. 
Type locality: upper Shasta Valley. Collected by Lemmon. May-Jun 
4. Chaenactis thomps6nii Cronquist. Thompson’s Chaenactis. Fig. 5390. 
Chaenactis thompsonii Cronquist, Vasc. Pl. Pacif. Northw. 5: 123. fig. 1955. 
nial wiles taproot and branching caudex, not at all matted, the numerous leafy, reddish 
wk peraps erect, 1-3 dm. high. Leaves all cauline, with a petioli form base, rather thick, grayish 
with a thin bids Bate 2-5 cm. long, evenly pinnatifi to the broad rachis the blunt linear lobes 
red, 
and not at all glandular; flowers about 9 mm. lon with tomentose pinkish lobes about 
1 mm. long; achenes 8 mm. long, hirsute, the eta balead 10-16, about 5 mm. long, rounded 
Serpentine slopes, Boreal Zone; Wenatchee Mountains, Chelan and Kittitas Counties, Washington. Type 
ineallees "Three Brothers Peak, Chelan County. June—Aug. 
5. Chaenactis aa ipar (Kell.) A. Gray. Northern Sierra Chaenactis. Fig. 5391. 
Hymenopappu abot wa age Kell. oc. Calif. Acad. st 2 1873. 
Chaenactis nevadensis A. Gray bere Cait. 1: 391. 
Cespitose perennial with gray herbage, arising from a woody taproot and stout ee 
caudex, terminating in aerial reddish stems 8-10 cm. high. Leaves more or less clustered below 
p ely tomentose, not glandular, about m. or more —26 
wide; petiole longer than th , this ovate or flabelliform in erie got irregularly pinna- 
s imes Lehi ar sou into round ; heads surpassing t on glandul 
naked peduncles 3-5 cm. long, arising from the upper leaf-axils: involucres 5 reddish orig pom 
phyllaries 10-14 m a ie linear, obtuse, Sealy glandular- -puber ulent ; corol 
las ut mm 
long, white with pin inki sh pubescent tips; achenes about equaling the corollas, firsute: pappus- 
palea 2 ike little shorter than the corolla, ae and obtuse to oblanceol 
eas slopes, Arctic-Alpine Zone; Lasse k, Shasta County, California, and the Sierra dieenie’ in Nevada 
and Alpine Counties. Type locality: Abaee | Mowers Sierra Nevada Mts.”’ Aug. 
6. Chaenactis alpigena C. W. Sharsmith. Southern Sierra Chaenactis. Fig. 5392. 
Chaenactis alpigena C. W. Sharsmith, Contr. Dudley Herb. 4: 319. 1955. 
Cespitose or mat-forming perennial from a multiciptal caudex, the stems 2-7 cm. high. Leaves 
more or less clustered below, 1-2.5 cm. long, mm. wide; petiole longer than the blade, this 
flabelliform, spatulate, pies or elli pie in outline, sinaatete lobed, w ith a dense, grayish or yel- 
lowish to: mentum, glan oo surpassing the ene on gla ca ess, more or less tomentose 
peduncles 2-4 cm. long; pia es 8-14 mm. ie g, tom e, glandless ; corollas 5.5-8 mm. long, 
usually white; achenes about eavaling the eb sie: Fh eas pappus- ~paleae 8-20, about 5-8 mm. 
long, linea r and obtuse o or oblanceolat 
c-Alpine Facn, in ne Sierra Nevada of California in Eldorado County (and adjacent 
R ‘ale Arcti 
ther Gounty, Weved south to Tulare County. Type locality: east face of Mount Conness, Mono County. 
7. Chaenactis ramésa Stockwell. Branching Chaenactis. Fig. 5393. 
Chaenactis ramosa Stockwell, Contr. Dudley Herb. 3: 117. pl. 29, figs. 4-6. 1940 
Short-lived ——— with several woody, red, spreading or more or less prostrate, rather 
slender stems, g from a or stale and with numerous laxly ascending, leafy branches 8-18 
em. high. golesy all ceuae: 16 cm. long, loosely and sparsely lenate pinnatifid or subpinnatifid, 
