SUNFLOWER FAMILY 413 
Low, spreading, evergreen shrub, 1-4 dm. high, not root-sprouting, odor strong to mild, bark 
light bro wn to nearly black, aap on older aspen twigs densely canescent, often becoming 
edd 
nearly glabrous in late summer, light greenish yellow or reddish brown, striate d. Leaves of vege- 
tative ose roadly dese i cs flabelliform, 0.5- 5. em. long, 0.3-1 cm. wide, length one and 
one-half to three — (usually about twice) "ae width, usually 3-5-toothed but sometimes deeply 
divided i 3-5 v lobes o ely leav rec ent; leav f flowering shoots 
tr a few es ent Ww 
SC eiuceidoapeciak, chs entire to cuneate with a truncate, 3-toothed apex, or sometimes more deeply 
divided with 3 narrow lobes; inflorescence spiciform to nar bel paniculiform, when ewe ig 
branches few and erect; involucre narrowly to i. y campanulate A —3 mm. — 
aan the earn canescent or the innermost sometimes near iy glabro ; ray-flor abse nt; disk. 
rets or sometimes fewer in Se 1 wale ie fertile ; po Nai celine. pia iainng resinous— 
pate ct aienink cle glabrous. n = 9, 1 
Usually on rocky or gravelly sit nd Sonoran raid bed ransition, and Canadian Zones; arid plains and 
hills and rocky openi i e mo ia from Mono County northward, eastern Creme. 
and isolated stations in the bichiirmtnabil ks, porecel of Washington kod the Siskiyou Mountains and Coast R ears 
of California eastward | to southwest Mon and northwestern Colorado. Type locality: ‘‘arid plai 
Lewi oo i Ronan Aug.—Oct. 
Art sia arbus subsp. ndva (A. Nels.) G. Ward, Con Dudley Herb. 4: 183. 1953. (Artemisia 
nova A. "Nels. Bull. 5 poten Club 27: Fring ie A. tridentata pel nova Hall & Clem, Carnegie Inst. Wash. 
saat No. 326: 137. 1923; A. triden var. nova McMinn, Il. ag Pewee Shrubs 608. 1939; A. arbuscula 
var. nova Cronquist, Vasc. Pl. Pacif. “Nort w. ie: 58. 1955 .) Differs m A. arbuscula subsp. arbuscula prin- 
us or rarely with a i 
r p 
shiny; there is als so a tenden ney, sacliculisls to the east of our range, toward leaves of a ar| greenish color and 
very glandular; 8 hog also average somewhat smaller ie. in the typical subspecies 1 East of the 
Sierra Nevada from Mono County, California, southward in the San Bernardino car dane Desert tas to 
northern New Mexico and southern Montana. Type Goality: Medicine Bow, Carbon County, Wyoming 
5707. Artemisia campestris 5709. Artemisia 5 
5708. Arte: 
inescens 
misia pycnocephala 5710. Arte: ke iden 
