PIPER—FLORA OF THE STATE OF WASHINGTON. 539 
PTILORIA. 
Pappus bristles fuscous, short-plumose to the base... ......----------- 1. P. paniculata. 
Pappus bristles white. 
Plumose to the very base... ...-.----------- Dee ee ee ee eee 2. P. tenuifolia. 
Plumose only above the middle... --- wee ee eee ee ee eee ee ee eee 3. P. exiqua. 
1. Ptiloria paniculata (Nutt.) Greene, Pittonia 2: 132. 1890. 
Stephanomeria paniculata Nutt. Trans. Am. Phil. Soc, 7: 428. 1841. 
Type Lcocauity: “On the Rocky 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, Suksdorf 982; Major Creek, Suksdorf in 1882; Rock Island, Sand- 
berg & Leiberg 433; White Bluff Ferry, Lake & Hull 690; Wawawai, Piper, July 31, 1893. 
ZONAL DISTRIBUTION: Upper Sonoran. 
2. Ptiloria tenuifolia (Torr.) Raf. Atl. Journ. 145, 1832. 
Prenanthes ? tenuifolia Torr. Ann. Lyc. 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 filifolia Greene, Pittonia 3: 311. 1898. 
Type Locauity: “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 & Hull 812; North Yakima, Watt, August, 1895; 
Ellensburg, Piper 2747; Whited 561; without locality, Vasey 555; without locality, Brande- 
gee 934, 935; Fort Walla Walla, Lyall 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 erigua Nutt. Trans. Am. Phil. Soc, 7: 428. 1841. 
Type Locatity: “On the Rocky Mountain plains toward the Colorado.” 
Rance: Washington and Wyoming to California and Texas. 
SPECIMENS EXAMINED: North of Morgans Ferry, Suksdorf 377; North Yakima, Wutt, 
August, 1895. 
ZONAL DISTRIBUTION: Upper Sonoran. 
TRAGOPOGON. 
1. Tragopogon porrifolius L. Sp. Pl. 2: 789. 1753. Sausiry. OysTER PLANT. 
Type Loca.ity: Not given. 
SPECIMENS EXAMINED: Ellensburg, Elmer, July, 1897. 
UROPAPPUS. 
1. Uropappus linearifolia (DC.) Nutt. Trans. Am. Phil. Soc. 7: 425. 1841. 
Microseris linearifolia Schultz Bip. Pollichia 22-24: 308. 1866. 
Calais linearifolia DC. Prod. 7: 85. 1838. 
Calais macrochaeta A. Gray, Pl. Fendl. 112. 1849. 
Microseris macrochaeta Schultz Bip. Pollichia 22-24: 309. 1866. 
Type tocauity: “In California legit cl. Douglas et circa Fort Vancouver cl. Garry.” 
Rance: 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. 
