600 COMPOSITAE 
above, to glabrous. Leaves 3-10 cm. long, many-clustered at the base, the occasional stem-leaves 
srantie bracteate ; spatulate to oblanceolate, narrowed below to a petiole 1-5 cm. long, essentially 
glabrous; heads yellow-flowered, solitary or 2-15 in racemes, pedunculate; involucre 
high, the phyllaries with black, usually gland-tipped setae or these sorts or lacking, also often 
stellate- Nee achenes 2 mm. long, surpassed by the white p 
Meadow open places, Boreal Zone; Alaska and Canada south in Hes Pacits States to the Siskiyou hs 
and the ee ning Nevada in California and the Rocky Mountains region south to northern New Mex 
Type locality: Rocky Mountains. Collected by Drummond. July—Sept. 
10. Hieracium horridum Fries. Shaggy Hawkweed. Fig. 6044. 
Hieracium horridum Fries, Ep — — 154. 1862. 
Pilosella relicina Sz. Sz. Flora 4 
Hieracium breweri A. Gray, Proc. ne ee por 62/553. 1865: 
Rather slender pernie! 1-3 dm. high, the tenagd Elackered, simple or with few slender lower 
ranches, arising from a woody ro Sta and stout, simple or branched caudex, oe to nearly 
glabrate and also with fohee oe te hates 6 these la Hee nodes on the upper stems. Basal an 
lower stem-leaves many, m. long, phicacce nate to sale aut pee narr red to a petioli- 
form base, shaggy with long, nie es g, setose, white or brownish hair ahs Thats Selene ae 
bracteate inflorescence sessile, similar, longer than the internodes and su greatly reduced; 
florescence Bae branched, corymbiform, with few e y heads, the heads a small, welin ow, 
miele red, the pedu uncles mostly 1-1.5 = lon sate e 7.5-10 m m. high, the phyllaries 
cely im bribed cate, the er series very shor atelinte ‘b aie giibeate. the usuall y darkened 
midsectio n with long, fate blacks based setae; maatern about 2 mm. long, the pappus tawny, longer 
than oe 
ks, mostly Boreal Zone; eastern Lane County, Oregon, in the Cascade Mountains, to the 
tice methert “California Bay southward in the Sierra Meveee to Slare County; also the higher mountains 
of ‘Sauen California. Type locality: California. Collected by Bridges. July—Sept. 
11. Hieracium SRsoE gig Canada Hawkweed. Fig. 6045. 
Hieracium canadense Michx. F1. Bor. Amer. 1803 
Hieracium columbianum Rydb. fant nate Pak, 28: 513, 1901. 
ial, 4-12 dm. high, the stems 1 o e from a short woody caudex, rather stout, pu- 
hegeene below with long spr caiiie ete) labo us to sparingly stellate-pubescent above. Basa 
and lowest stem-leaves rather small, s withering and deciduous, the midstem-leaves about 
6-12 cm. 1-4 cm. wide, cage Slee: east the internodes, mostly lanceolate to oblanceolate, 
entire or sparingly denticulate, sessile and subclasping at base, rather thin, the margins and often 
veins and undersurface with spreading setose hairs, rarely sparingly ’ stellate- Pabeseseik: in- 
florescence corym rary o-akagene e ag spreading peduncles, the heads 6-20 or more, yel ow 
flowered ; involucres 6-10 m igh, the phyllaries imbricate, dark, glabrous oo or sO; © eetian 
about 3 mm. long, purplish bled, oo rites tawny, a little ‘longer kan the 
Woods pa moist open places, Transition and lower eee Zones; Canada south to Wha tseton: the Rocky 
a region, and eastward to New Jersey. Type locality: Canada. July—Sept. Much resembling H. auher 
12. Hieracium umbellatum L. Umbellate Hawkweed. Fig. 6046. 
racium umbellatum L. Sp. Pl. 804. 1753. 
Hieracium caesarean! Schwein. Long. Exp. 2: 394. 1824. Not H. umbellatum var. scabriusculum Farw. 1927. 
Nutt. —— Amer. Phil. Soc. II. 7: 446. 1841. 
Hieracium suksdorfii G ; Bull. Soc. Bot. Fr. 65: 51, 
Perennial, 412 dm hi ae the stems 1 or more from a short woody rootstock, stout, glabrous 
or nearly so below, usually stellate- Sher ulent above. — and — stem-leaves rather small, 
soon rithering and deciduous, the midstem-leaves 6-10 cm. long, 1-: . wide, sessile, not ianping 
nd someti narrowe ‘t se, many, much longer goose the fesindis.: entire or sparingly 
denticulate, lanceolate to narrowly oblong, rather firm, stellate nat toes or less scabridulous « 
e 
pubescent, the heads 3-10 or more, yellow-flowered; involucres 6-13 mm. high, the phyllaries 
imbric aed gla — or staat a so; achenes 3-3.5 mm. long, reddish, the pappus tawny, about equal- 
ing t chen 
Moist Pe Se and woods, Transition and lower Boreal Zones; circumboreal southward in North — to 
Michigan and Wisconsin and i in the west to Colorado and northwestern Oregon. Type locality: Europe. July—Sept. 
13. Hieracium aurantiacum L. Orange Hawkweed. Fig. 6047. 
Hieracitum aurantiacum L. Sp. Pl. 801. 1753. 
Resembling H. pilosella in habit, the stems 2-5 dm. high, —_—e- bearing 1 or 2 reduced 
leaves, long-setose, and also stellate and glandular above. Leaves 4-20 cm. long, oblanceolate to 
elliptic, narrowed to a petiolar base, usually ss above and below; inflorescence a 
form, the heads 5-25 on short peduncles, the flow red-orange; involucre 6-8 mm. high, t 
yllaries long-setose and also bearing black, Shand teal hairs, peti slightly tomenasane tienes 
pappus as in H. pilosella. 
A European weed sparingly established in Bremerton, Kitsap County, Washington, and in Multnomah and 
Deschutes Counties, Oregon; also introduced i a eastern United States. June-Sept. King-devil. 
