-PIPER FLORA OF THE STATE OF WASHINGTON. 539 



PTILORIA. 



Pappus bristles fuscous, short-plumose to the base 1. P. panicidata. 



Pappus bristles white. 



Plumose to the very base 2. P. tenuifolia. 



Plumose only above the middle 3. P. exigua. 



1. Ptiloria paniciilata (Nutt.) Greene, Pittonia 2: 132. 1890. 

 Stephanomeria paniculata Nutt. Trans. Am. Phil. Soc. 7: 428. 1841. 

 Type locality: "On the Rooky Mountain plains towards the Colorado." 

 Range: Washington and Idaho to Nevada. 



Specimens examined: North Yakima, Piper 2757; Pasco, Henderson, June 12, 1892; 

 west Klickitat County, SuJcsdorf 982; Major Creek, Sulcsdorf in 1882; Rock Island, Sand- 

 herg c& Leiberg 433; White Bluff Ferry, Lake & Hvll 690; Wawawai, Piper, July 31, 1893. 



Zonal distribution: Upper Sonoran. 



2. Ptiloria tenuifolia (Torr.) Raf. Atl. Journ. 145. 1832. 

 Prenanthes ? tenuifolia Torr. Ann. Lye. N. Y. 2: 210. 1828. 

 Lygodesmia minor Hook. Fl. Bor. Am. 1: 205. 1833. 

 Stephanomeria minor Nutt. Trans. Am. Phil. Soc. 7: 427. 1841. 

 Ptiloria jUifolia Greene, Pittonia 3: 311. 1898. 



Type locality: "Rocky Mountains." Collected by James. 



Range: British Columbia to California and Texas. 



Specimens examined: Twisp River, Whited, July 20, 1896; Wenache, Whited 8, 2582, 

 1311 ; Elmer 479; White Bluff Ferry, Lake cfe Hull 812; North Yakima, Watt, August, 1895; 

 Ellensburg, Piper 2747 ; Whited 5(il; without locality, Fasey 555; without locality, 5ran^- 

 gee 934, 935; Fort Walla Walla, LyaU in 1860; Spokane, Kreager 530; Kittitas Valley, 

 J. Howell in 1877. 



Zonal distribution: Upper Sonoran and Arid Transition. 



3. Ptiloria exigua (Nutt.) Greene, Pittonia 2: 132. 1890. 

 Stephanomeria exigua Nutt. Trans. Am. Phil. Soc. 7: 428. 1841. 



Type locality: "On the Rocky Mountain plains toward the Colorado." 

 Range: Washington and Wyoming to California and Texas. 



Specimens examined: North of Morgans Ferry, Suksdorf 377; North Yakima, Watt, 

 August, 1895. 

 Zonal distribution: Upper Sonoran. 



TRAGOPOGON. 



1. Tragopogon porrifolius L. Sp. PI. 2: 789. 1753. Salsify. Oyster plant. 



Type locality: Not given. 

 Specimens examined: EUensburg, Elnner, July, 1897. 



UBOPAPPUS. 



1. Uropappus linearifolia (DC.) Nutt. Trans. Am. Phil. Soc. 7: 425. 1841. 



Microseris linearifolia Schultz Bip. PoUichia 22-24: 308. 1866. 



Calais linearifolia DC. Prod. 7: 85. 1838. 



Calais macrochaeta A. Gray, PI. Fendl. 112. 1849. 



Microseris macrochaeta Schultz Bip. Pollichia 22-24: 309. 1866. 



Type locality: "In California legit cl. Douglas et circa Fort Vancouver cl. Garry." 



Range: Washington and Idaho to California and New Mexico. 



Specimens examined: West Klickitat County, Suksdorf, April, May, 1886; Rockland, 

 Suksdorf, April 10, 1886; Almota, Piper, June 3, 1893. 



Zonal distribution: Upper Sonoran. 



