476 COMPOSITAE 
ounded, scarious tips, those of the staminate heads slightly broader than those of the pistillate; 
achenes glabrous; bristles of staminate pappus with narrowly to more broadly spatulate-dilated 
tip 
fades s, hillsides, meadows, and open woods, Upper Sonoran and Arid Tr ansition Zones; Alberta and British 
umbia south t through eastern maroon e to southern Oregon (Steen canto. gag oa | northeaster n Nevada, 
‘aa to Colorado, Wyoming, and Montana. Type locality: Spanish Basin, Montana Aug. e Washington 
records of A. pulcherrima (Hook a) Greene ‘belong to this species 
2. Antennaria a ee Silvery Everlasting. Fig. 5834. 
eeteneeria bileig sab Benth. Pl. sages 319, 
ar. argentea A. Gray, ey R. Rep. 4 (ed. 2, pt. 5)4: 110. 1857. 
Perennial ‘ci a rather strongly ce matous base, closely or somewhat loosely (in age some- 
times floccosely) and su esis es ray-tomentose throughout except on a iaabeg with short, 
— ish or pone sterile, leafy Toss ten anaes an often loose basal mat, and erect simple 
ms 15-60 cm. high. Ba sal and — leaves obovate to spatulate or oblanceolate, 2.5-6.5 cm. 
en including. petiole, 0.5-1. ate wide, acute or mostly obtuse, apicu ce = nerved ; cauline 
leaves similar, the upper much ra ag mostly linear, with attenuate scario sae the natin part 
of stem nea rly naked ; he numerous in itate or mostly short, eae, rounded, corymbi- 
te cyme; involucres essentially glabrous to the very ba pistillate ‘Sei sea 
subcylindric to narr campanul . high, su aling or e ded by the pappus, the 
shining phyllaries with pale greenish bas hyaline or thinly scarious and whitish (very rarely 
sy) ob ps, the inner oft ish; staminate involucres broader aries with mo 
n acut t re 
sccm iiiog and somewhat dilated, rounded, white, scarious tips; pistillate achenes finely puberu- 
lous, the pappus- -bristles united at very base and deciduous in a ring; bristles of staminate pappus 
with coupe: dilated tips. 
pen woods and hillsides, Arid Transition oun Oregon (Wheeler and Crook Counties) southward to 
Lake snd a Cecntice. California, and western Nevada. Type locality: “In montibus Sacramento.” May-July. 
3. Antennaria luzuloides Torr. & Gray. Silvery-brown Everlasting. Fig. 5835. 
Antennaria ions ewlenies hte he Gray, Fl. N. Amer. 2: 430. 1843. 
Antennari Mem. N.Y. Bot. Gard. 1: 409. 0. 
Antenen luzulotdes var. si beotemmesta M. E. Peck, Madrojio 6: 136. 1941. 
Cespitose perennial from a branching, rather ligneous caudex, closely though often rather 
thinly pai, ceous-tomentose (sometimes floccose with age) and whitish or mostly grayish or 
b 
greenish, with erect basal tufts of leaves, and slender, ainale erect or ascending 
10-5 i 1 and lower leaves es in y ieee to aaa taneestate or 
oblanceolate, often falcate, 3-10 cm. long including the petioliform base, (sometime 
i ept when narrowest, usua te; cau line leaves ates only gradua Ily 
reduced upward, the upper ones with twisted, attenuate, scarious tips; heads several to usually 
ro n se, some s subcapitate or mostl ymbif e€ 
panicle ; involucres essentially or quite glabrous exce ery base; phyllaries pale greenish or 
pale brownish, wi a the outermost often shrivelling into concentric , obtuse 
th occasionally acutish; staminate involucres shorter and broader, the phyllaries with 
more conspicuous, somewhat dilated, rounded, scarious but rather firm, ivory-wh very ra 
pink ak cae achenes finely puberulous, their pappus-bristles united only at extreme bas 
mostly uous separately ; bristles of staminate pappus with narrowly or more prondiy spatu- 
late- diated, serrulate or subentire tips. 
Prairies and hillsides, Arid Transition Zone; British Columbia south through eastern Washington and eastern 
Oregon to ee a * Plum: es — nty, Cali choraia, east to Montana, bab eo Te bie Colorado. Type locality: 
“Oregon ocky Mi untains. * y—July. At its southern limits in our asionally intergrading with 
A, pin mcr A. Fe 
4. Antennaria microcéphala A. Gray. Small-headed Everlasting. Fig. 5836. 
Antennaria microcephala A. Gray, Proc. Amer. Acad, 10: 74. 1874 
ul 
-espito: Pha from a branching enades. eles ely and rather densely subsericeous- and 
whitish- Soe: mites except on involucre with short, often tufted, erectish or ascending, leafy 
nched below 1 e 
duced upward, the uppermost occ i with sts uate scarious ‘tips; ; heads rather numerous 
in a usually loose panicle an ee reseed at the tips of its branches or occasionally more 
ispo: in a close panicle; pistillate involucres turbinate-cylindric, 4-5.5 mm. high, 
glabrous except at very base, the shining phyllaries pale green or pale bro wnish, hyaline and with 
age at least the outermost ahi velling into concentric “e veri Banc ged or acutish and mostly with 
inconspicuous whitish, or the inner sometimes with tips; staminate involu ucres cher 
and broader, the phyllaries broader and Blinitey : istillote a rease es puberulous, their pappus- 
bristles united only at extreme base, mostly deciduous separately; bristles of staminate pappus 
cabs ate dilated above. 
meadows and slopes, Arid Transition Zone; Sr a h and Lake Oregon, and from Lassen t 
Nevada: oe oo “0a California, and adjacent Nevada, and i Trinity “a ‘Glenn Guan California. Type jocality: 
“‘Washoe Valley, Nevada, [and] Sierra County, California. ” June—Jul 
