PIPER—FLORA OF THE STATE OF WASHINGTON. D47 
Stems few-leaved; involucre a series of equal bracts and a few short 
calyculate ones. 
Flowers white; involucre nearly glabrous..................... 3. H. albiflorum. 
Flowers yellow. 
Heads small, black-hairy........ 22.222 00 022222 eee 4. H. gracile. 
Heads larger; not black-hairy. 
Involucre densely long-hairy. 
Cauline leaves ample, half-clasping at the broad 
bases... 2.2.2.2 2222 eee 5. H. longiberbe. 
Cauline leaves much reduced... ......22..--..-- 6. H. scoulert. 
Involucre with few or no long hairs. 
Leaves densely hirsute........ 2.22... .22--2--- 7. H. griseum. 
Leaves nearly smooth.......-.....-....222.22--- 8. H. eynoglossoides. 
1. Hieracium columbianum Rydberg, Bull. Torr. Club 28:513. 1901. 
Type Loca.ity: ‘Priest River Valley,” Idaho. 
‘Rance: North Idaho and adjacent Washington. 
SPECIMENS EXAMINED: Dartford, Kreager, September 12, 1903; Loon Lake, Winston, 
July 20, 1897; Spokane County, Suksdorf 935; Peshastin, Sandberg & Leiberg 510. 
ZONAL DISTRIBUTION: Arid Transition. 
2. Hieracium canadense Michx. Fl. 2: 86. 1803. 
Type Locatity: “Hab. in Canada.” 
Rance: British Columbia to Nova Scotia, south to Oregon and New Jersey. 
SPECIMENS EXAMINED: Loomis Elmer 570; Pullman Piper, August 5, 1893; Elmer 307; 
Spokane Piper, July 26, 1896; Coupeville Gardner 422. 
ZONAL. DISTRIBUTION: Arid Transition. 
3. Hieracium albiflorum Hook. FJ. Bor. Am. 1: 298. 1833. 
? Hieracium vancouverianum Arvet-Touy. Spicil. Hier. 10. 1874. 
Tyre Locaity: ‘Rocky Mountains north of Smoking River, Lat. 56°.” Collected by 
Drummond. 
RanGe: British Columbia and Alberta to California and Colorado. 
SPECIMENS EXAMINED: Montesano, /eller 3918; Grays Harbor, Wilkes Expedition; 
Cascade Mountains, latitude 49°, Lyall in 1859; Silverton, Bouck 113; Seattle, Piper 502; 
Mount Rainier, Piper, August, 1895; upper Nisqually Valley, Allen 11; Skagit Pass, Lake 
& Hull, August 24, 1892; Colville, Lyall in 1860; Falcon Valley, Suksdorf 427; Nason 
Creek, Sandberg & Leiberg 611; Conconully, Whited 1323; Bridge Creek, Elmer 688, in 
1897; Tukanon River, Lake 742; Mount, Carlton, Kreager 303; Lake Kalispel, Kreager 347. 
ZONAL DISTRIBUTION: Transition and Canadian. 
4. Hieracium gracile Hook. Fl. Bor. Am. 1: 298. 1833. 
Hieracium triste gracile A. Gray, Bot. Cal. 1: 441. 1876. 
Hieracium hookeri Steud. Nom. ed. 2. 1: 763. 1840. 
Mieracium areticum Froel.; DC. Prod. 7: 209. 1838. 
Tyre Locatity: Rocky Mountains. Collected by Drummond. 
Rance: Alaska to Oregon and Colorado. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1859; Silverton, Bouck 
116; Mount Rainier, Piper 2155; Allen 286; Mount Adams, Suksdorf 428; Flett 1082, 1398; 
Stevens Pass, Sandberg & Leiberg 716; Skagit Pass, Lake & Hull, August 24, 1892; Yakima 
County, Henderson, August 5, 1892; Wenache Mountains, Elmer 449; Horseshoe Basin, 
Elmer 726; Blue Mountains, Piper, July, 1896. 
ZONAL DISTRIBUTION: Arctic. 
5. Hieracium longiberbe Howell, Fl. N. W. Am. 395. 1901. 
Type Locauitry: ‘On cliffs along the Columbia river near the Cascades.” 
RanGe. Oregon and Washington on cliffs in the Columbia Gap. 
