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 locality: "Dry plains of the Columbia from the Rocky Mountains to the ocean. " 

 Collected by Douglas. 



Range: 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 locality: "Declivities of Spokan and Coeur d'Aleine Mountains." Collected by 

 Geyer. 



Range: 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- 

 herg & Leiberg, June, 1893; Spokane, Henderson, May 30, 1892; Piper 2266; Blue Moun- 

 tains, Piper, July 15, 1896; Pullman, Piper 1612; HvM 716; without locality, Vasey 552; 

 west Klickitat County, Suksdorf 981, 285. 



Zonal distribution : Arid Transition and Canadian. 



HYPOCHAERIS. 



1. Hypochaeris radicata L. Sp. PI. 2: 811. 1753. Gosmore. 



Type locality: European. 



Specimens examined: Whidby Island, 6'ordner 378; Seattle, Piper, July 17, 1897; Che- 

 halis County, Lamb 1404; Tacoma, Flett 20. 



An exceedingly troublesome weed in lawns, now spread over most of Western Washing- 

 ton. One of Flett 's specimens was erroneously referred by Wieganda to H. glabra L.,a 

 species not known to occur in Washington. 



LEONTODON. 



1. Leontodon autumnale L. Sp. PI. 2: 798. 1753. Fall dandllion. 



Type locality: European. 

 Specimens examined: Seattle, Piper 750. 



AGOSEBIS. 



Akenes beakless; leaves glabrous; alpine plant 1. A. alpestris. 



Akencs 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 S. A. aurantiaca. 



Leaves narrowly linear; beak longer than the akene. 4. A. gracUenta. 



oBuU. Torr. Club24:343. 1897. 



