208 COMPOSITAE 
2. Hymenoxys cooperi (A. Gray) ee Cooper’s Goldflower. Fig. 5339. 
Actinella cooperi A. Gray, Proc. Amer. Acad. 7: 359. 
Actinella biennis A. Gray, op. cit. 13: 373. 1878. 
Actinea cooperi Kuntze, Rev. Gen. Pl. 1: 303. 1891. 
Actinea ele es loc. cit. 
Picradenia cooperi Greene, Nag 272. 1898. 
Pier cee biennis scl een 
Hymenoxys canescen are tennis Cockerell, Bull. Torrey Club 31: 482. 1904. 
Hiymenorss cooperi Cockerell, 4 cit, 
Hymenoxrys biennis H. M. Hall, Univ. Calif. Pub. Bot. 3: 204. 1907. 
_ 
= 
Sto taprooted biennial (short- ass perennial ?), the stems 2.5-8 dm. high, leafy, essen- 
tially Dies. unbranched _ low the open cymose cdiGrectune Pedal euicts acct scurfy- 
canescent. Leaves 1. 5 eats ong, ese 3-5-divided, the linear-filiform divisions often again 
parted, 1.5 mm. or less wide: spreading, sparsely scurfy-canescent to glabrate, the stem-leaves 
longer than the internodes, the be al and lowest leaves usually withering at anthesis; heads 3-20, 
he peduncles about 6-10 cm. long; igitcsindieed 5-5.5 mm. ona hemispheric, much broader than 
"xii a ede diy os sates ated, r less pubesc and also glan eee taegna Ft the 
outer lanceolat ted at base, midrib erent Hise. 4g inner + oblong ovate; rays 8-14 mm. 
ms cee pt SAS short-villo sulous ; achenes about 2. ong; pa ppus s-paleae vari- 
e, mm. long, oblon ee bie acute, sometimes pee pe ies usually one-half or less 
he length of the tale flow 
Brushy flats and juniper- sea slopes, mostly Arid Transition Zone; Little San Bernardino, New York, 
Providence: and Clark Mountains, San Bernardino County, California; also —— Nevada, Utah, ‘and northern 
Arizon . Type locality: Providence Mountains. Collected by baler M 
menoxys cooperi var. canéscens (D. C. Eaton) Parke Madr ron te ven 1950. (Actinella richardsonti 
var. canescens D, C, Eaton, Bot. King Expl. 175. 1871; Povadenw Deaton Greene, Pittonia 3: 271. 1898; 
Hymenoxys canescens Cockerell, Bull. Torrey Club 31: 484. 1904.) Habit much like the preceding but ear 
peered 1—3 dm. bi h, ge pp hig more than 1 ste ee | base; herbage densely pz eipmbneher est 
i 0- mm. broad. Gra slopes at high elevations; southern Idaho 
southward rig Nevada ol in Colitortia from Modoc County yan to the White Mountains, Mono - 
also in Ari Type locality: east Humboldt Mountains, vada. 
36 
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3. Hymenoxys lemmonii Se evi Cockerell. Lemmon’s Goldflower. Fig. 5340. 
sealer lemmonii Greene, Pittonia 3: 2 
Hymen s lemmonii Pvcheaietl. Bull, ne oe 31: 477. 1904. 
He geaaas * lemmonii subsp. greenci Cockerell, op. cit. 479. 
Actinea lemmonii Blake, Contr. U.S. Nat. Herb. 25: 596. 1925. 
ni saya from a woody os pg and short ab dacs caudex, the stems sa leafy, 2-6 dm 
,2 ore, unbranche w the cymose inflorescence, gla brous. Leaves 15(20) cm. long, 
Sans Se the divisions Vet 2-3 mm. se or less, mostly ase a glabrous and 
glandular- “punctate, the stem-leaves longer than the rosie ne cedars mostly entire ; 
heads 5-12, red tania et 4-8 mm. long; involucres 6 mm. or e high, hemispheric, 
sien ee a phyllaries more or less indurate, pe pares e shabeouk glandular 
punctate, the ote aces subcarinate, united at base, the i inner oblong-ovate; rays 8-13 i 
long; receptacle nic, more or less nely ot: aa becoming glabrate; achenes about 3 m 
long ; pappus- pales one-half or more the length of the pea lanceolate or ey. 
late, attenuate into an awn. 
Damp alkaline flats and borders of meadows, Arid Transition Zone; soil and Shasta Counties, California, 
and central Nevada southward. Type locality: not dehaitely stated. J uly-Aug 
4. Hymenoxys odorata DC. Fragrant Bitter-weed. Fig. 5341. 
36 
Acti inell id spate A. Gay, Mem. Amer. Acad . 4: 101. 1849. 
Act odorata Kuntze, Rev, 9 jg Bh ae: 
Piva ent orata Britton ex Britt. & tbo mt, Fl. 3: 449. 1898. 
Picradenia davidsonii Greene, Boe 4: 240. 
i 1901. 
noxys chrysanthemoides var. excurrens Cockerell, Bull. Torrey Club. 31: 501. pl. 22 fig. 3. 1904. 
Leafy ensra 1-5(6) dm. high, branching from the base and above, the heads terminating 
the many branches, stems striate, more or less short-pubescent. Leaves 2-5 cm. long, 3-5-pa 
(rarely aoe “late iform divisions, — ly glandular-punctate, nearly glabrous, the basal 
leaves early-deciduous ; peduncles 4-10 cm. long, en arged om ow t xP head; involucres mm. 
high; Bob aries lanceotat ate, — series pita 2 indurated, more ess pubescent, the rscia 
shorter than 5% oan the base, the tip h neehaoeas us, jadvetn not prominent; rays 
5. m. lon long; pappus- Sg a hip Lact, than the achene, ‘about 
¢wo-thinds he eeath “of "he ck tole, ovate, with a cuspidat 
Weedy plants en disturbed areas and bottom lands. Lower = onora Po: radpteeae to the Colorado a 
from Riverside County to Imperial rw f nie: ts eastward 2 Kansas and Texas; also in Mexico. 
Type locality: , Calera Feb.—May. Bell Go ldflow 
48. HELENIUM L. Sp. PI. 886. 1753. 
nnual or perennial herbs, the stems simple or branched, striate (in ours). Leaves 
alternate, glandular- “punctate, glabrous or pubescent, often decurrent. Heads very many- 
