PIPER FLORA OF THE STATE OF WASHINGTON. 



611 



white; corolla lohos shorter than the throat; pappus bristles somewhat elavellate at tip; 

 anther tips acute. 



This species was erroneously referred to C. hreweri (Gray) Greene in the Flora of the 

 Palouse region. 



Specimens have been examined as follows: Silver Lake, Henderson 2277; Ellensburg, 

 Wkiied 558,857; Pullman, £'Zmer 99; Piper 1589 (type); without locality, Vasey 477, 478, 

 Waitsburg, Horner 303. 



ARCTIUM. 



1. Arctium minus Schk. Bot. Ilandl). 3: 49. 1803. Burdock. 



Type locality : Germany. 

 Specimens examined: Seattle, Piper. 



SAUSSUREA. 



1. Saussurea americana D. C. Eaton, Bot. Gaz. 6: 283. 1881. 



Type locality: "Mountains of Union Co., Oregon." Collected by Cusick. 



Range: Washington, Oregon, and Idaho. 



Specimens e.xamined: Olympic Mountains, Piyw 2188, 930; Mount Rainier, Piper 2141; 

 Mount Adams, Suksdorf 573; Simcoe Mountains, Howell; Monte Cristo, Misses Coffin 

 & Goodspeed; without locality, Vasey 550. 



Zonal distribution: Canadian and Hudson ian 



