PIPER—FLORA OF THE STATE OF WASHINGTON. 541 
4. Scorzonella laciniata (Hook.) Nutt. Trans. Am. Phil. Soc. 7: 426. 1841. 
Hymenonema ? laciniatum Hook. Fl. Bor. Am. 1: 301. 1833. 
Microseris laciniata Schultz Bip. Pollichia 22-24: 309. 1866. 
Type Locauity: “Dry plains of the Columbia from the Rocky Mountains to the oceai. ’ 
Collected by Douglas. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Montesano, Henderson; Humptulips, Lamb 1184; Tacoma, 
Flett 174; Muckleshoot Prairie, Dr. Ruhn; Falcon Valley, Suksdorf, July 17, 1886; 
Steilacoom Prairie, Piper 376. 
ZONAL DISTRIBUTION: Humid Transition. 
PTILOCALAIS. 
1. Ptilocalais nutans (Geyer) Greene, Bull. Cal. Acad. 2: 54. 1886. 
Scorzonella nutans Geyer; Hook. Lond. Journ. Bot. 6: 253. 1847. 
Microseris nutans Schultz Bip. Pollichia 22-24: 308. 1866. 
Type Locatity: “ Declivities of Spokan and Coeur d’Aleine Mountains.” Collected by 
Geyer. 
Rance: British Columbia and Montana to Colorado and California. 
SPECIMENS EXAMINED: Klickitat River, Flett 1101; Falcon Valley, Suksdorf 420; Sim- 
coe Mountains, Howell, July, 1879; Cascade Mountains to Colville, latitude 49°, Lyall in 1860; 
North Fork Columbia, Wilkes Expedition; Wenache Mountains, Elmer 450; Roslyn, 
Whited 413; Easton, Henderson, June 11, 1892; Sprague, Henderson, May 3, 1892; Sand- 
berg & Leiberg, June, 1893; Spokane, Henderson, May 30, 1892; Piper 2266; Blue Moun- 
tains, Piper, July 15, 1896; Pullman, Piper 1612; Hull 716; without locality, Vasey 552; 
west Klickitat County, Suksdorf 981, 285. 
ZONAL pisrripuTION: Arid Transition and Canadian. 
HYPOCHAERIS. 
1. Hypochaeris radicata L. Sp. Pl. 2: 811. 1758. GosMORE. 
Type LocaLiry: European. 
SPECIMENS EXAMINED: Whidby Isiand, Gardner 378; Seattle, Piper, July 17, 1897; Che- 
halis County, Lamb 1404; Tacoma, F'lett 20. 
An exceedingly troublesome weed in lawns, now spread over most of Western Washing- 
ton. One of Flett’s specimens was erroneously referred by Wiegand to H. glabra L.,a 
species not known to occur in Washington. 
LEONTODON. 
1. Leontodon autumnale L. Sp. Pl. 2: 798. 1753. FALL DANDLLION. 
Tyre Locauiry: European. 
SPECIMENS EXAMINED: Seattle, Piper 750. 
AGOSERIS. 
Akenes beakless; leaves glabrous; alpine plant..-.....------------- 1. A. alpestris. 
Akenes beaked. 
Leaves glaucous; beak of akene short, stout, nerved. ....------- 2. A. glauca. 
Leaves not glaucous; beak of akene slender, nerveless. 
Beak about as long as the body of the akene. 
Flowers orange; leaves mostly entire. 
Leaves lanceolate-spatulate; beak shorter than the 
akene........------------ 2-2-2 ee eee eee eee 3. A. aurantiaca. 
Leaves narrowly linear; beak longer than the akene. 4. A. gracilenta. 
a Bull. Torr. Club 24: 343. 1897. 
