210 COMPOSITAE 
1. Helenium amarum (Raf.) H. Rock. Fine-leaved Sneezeweed. Fig. 5342. 
Galardia amara Raf. FI. Ludov. 69. 1817. 
Helenium tenuifolinm ~Te Journ. Acad. rg 7: 66. 1834. 
1957. 
Helenium amarum H. Rock, Rhodora 59: 131 
Slen baeaaatans annual from a taproot, 2-7 dm. high, oe aigpainn above the base, 
densely le oie eaves 2-4 cm. long, sessile, not decurrent, linear-filiform, mostly fascicled, bear- 
ing impressed glands; heads several, corymbiform, on s tn sah pe Het disk pe 1 cm. wide, 
depressed-globose; phyllaries 5-10 pe Jong, negperigensaat reflexed; ray-flowers about 8, gland- 
dotted, 9-13 mm. long, reflexed; a or more long, hirsute ; pappus- be ea ovate to 
orbiculate be pee haha awn as long as veg ee a the paleae. 
An of ea n United States, becoming established as a weed in Marin one Stanislaus Counties, Cali- 
fornia. Type incality: ) Riolitie: Louisiana, Collected by Ball Potoey July—Nov 
2. Helenium hoopesii A. Gray. Tall Mountain Helenium. Fig. 5343. 
Helenium eid Gray, Proc. Acad. Phila. 1863: 65. 1864. 
Heleniastrum hoopesti ‘Kinten, Rev. Gen. Pl. 1: 342. 1891. 
Dugaldea Saul Rydb. Mem. N.Y. Bot. Gard. 1: 425. 1900. 
Perennials 5-10 dm. high with 1 or more leafy stems arising from a stout rhizome or caudex, 
the herbage yellowish green, more r less loo sake villous-tomentose throughout and beco ming 
gla brate. Basal leaves 1-3 dm. long, paory oblanceolate, “itis nuate into a broad cetaliform. base, 
e upper leaves a reduced and m ostly claspi ngs lage yellaw, hemispheric, large, 3-8 on 
pails joes 4-15 cm. lon es thin, ee sely imbri , 8-11 mm. long, linear-lanceolate to 
: we 
ut 3 mm. long, densely silky-hirsute; ; Pappus hyaline, ria acuminate, the margins some- 
et vr sernie: a little shorter than the corolla. 
eadows and edges of forests, Canadian age Hudsonian Zon Steen Mountains, Harney County, 
south a Klamath and Lake Counties, Oregon, southward in adjacent California to Tulare Coaaes eastward 
through the mountains of Nevada and to dy a Arizona, and New Mexico. Type locality: South 
Park, Colorado. July—Sept. Orange Sneezeweed; Owlsclaw 
3. Helenium autumnale var. montanum Fernald. Western Sneezeweed. 
Fig. 5344. 
ele Nutt. Trans. Amer. Phil. Soc. II. 7: 384. 1841. 
Hiteniomn autumnale var. Se eee Fernald, Rhodora 45: 491, 1943, 
Fibrous-rooted perennials 1.5-8 dm. high, herbage more or less densely puberulent with up- 
wardly curved hairs, stems 1-3, mostly ‘simple below, branched above, very leafy, the internodes 
one-half or less than one-half the length of the leaves, the basa leaves usually withering and 
i hesi L l i tt 
se bee at sbi esis. Leaves cm. long, Ste ape tae tapeniay a e base and con- 
spicuously decurrent on the stem, thick, dull green with s colored veins, the margin ob- 
scucele, pS a or sometimes serrate, pocaciunty, piers Pe ie not ‘conspicuously reduced 
in size on the upper stems; heads yellow, 1-1.5 mm. broad, om iform in 
florescence, the peduncles 3-6 cm. long; phyllaries 6-8 mm. long, linear or linear-lanceolate, 
attenuate, reflexed; receptacle globose; rays 10-20, about 1 cm. long (rarely 135); te: obed a 
oe, the lobes round; ee sk-flowers about 3 mm. long, the lobes pubescent ; achenes t 1m 
ong, appressed-hirsute on the angles; pappus about one- sac "the length of cowie 
broadened at base and at tte nuate, somewhat lacerate on the margin 
m_lands and edges of marshes, Arid Transition Zone; heer British Columbia and Washington 
east of the Cas cade Mountains to eastern Oregon and Siskiyou and Modoc Counties, California; eastward srodyh 
Idaho and Nevads to the Rocky Mountains. Type locality: ‘‘In the Retky Meontin range, on the bord of 
ae oe River.”” July-Aug 
um autumnale var eran reg, (Nutt.) Torr. & - N. Amer. 2: 384. 1842. Ne Pre, a 
Bier nan Nutt. Trans. Amer. Bee ite 7: 384 184134. yp Piha Rydb. Amer. 127. 
1915.) Stout, leafy-stemmed perennials 4— high; leaves br oadly a romana 0 ovate lancedate, chscurely 
toothed. thinner than the att taxon rae ro Ae puberulent; peduncles nea labrous; rays 1.5-2.5 ¢ 
long, narrowed to a slender base. — places west of the Cascade Mountains 4 the Puget Sound area, Wash 
ington, and northwestern Oregon of the Columbia Gorge to Clat atsop County; also Del Norte County, Cali- 
fornia (Wolf 836). Type locality: Banke of the Oregon and Wahlamet.’ 
4. Helenium Spats DC. Rosilla. Fig. 5345. 
d. Less. Linnaea 6: 517. 18 
Heleninm ogee Hook. & Arn. Bot. Beechey 4 1833; 355. 1838. Not Ait. 1789. 
m DC. Prod. #2 667. 1836. 
Helenium callfernioun tx Ind. Sem. Hort. Berol. 21. ti 
?Helenium rosilla Turcz. Bull. Soc. Nat. Mosc. 241: 186. 
Helenium decurrens Vatke, Ind. Sem. Hort. Berol. 1875: a 1875. Not Helenia decurrens Moench. 1794, 
Coarse annual or biennial, 3-15 dm. high from a fibrous — cs ulately branched, the 
branches ascending, more or les: s puberulent throughout. Basal leaves narrowed to a petio ged 
base, soon with i te aes. long, 052.5 ¢ 
“ late 
wide, reduced above, pear rp pes strongly de de current, spreading and often sinuate-mar ad 
heads globose, borne on the ends of reg paniculate Sere on long goa the disks eden 
d, brownish yellow to purplish brown; phyllaries 8-10 mm. long, loose and reflexed, hairy ; 
receptacle globose or depressed-globose; ede st 2-8(-10) mm. “ome eeiaty awicdoetet on 
