PTPER FLORA OF THE STATE OF AVASHTNGTON. 107 



Zonal distribution: Arctic and lludsoiiian. 



This species has been confused with botli T. gluthiosa (Miciix.) Pers. and T. occuhntulls 

 S. Wats. 



STENANTHIUM. 



1. Stenanthium occidentale A. Gray, Proc. Am. Acad. 8: 40.5. 1S73. 



Stenanthella occidmtalis Kydl)erg, Bull. Torr. Club 27: 531. 190(). 



Type locality: "In the Rocky Mountains." Collected by Bourgcau. 



Range: British Columbia and Alberta to Oregon and Montana. • 



Specimens examined: Olympic Mountains, Flett 137; Pipei' 222{\; Cascade Mountains, 

 latitude 49°, Lyall in 1859-60; Clallam County, Elmer 2.503; Silverton, Bouck ISSa; Goat 

 Mountains, Alien 233; Cascade Moimtains, ITemlerfton, July, 1S92; Cape Horn, Howell in 

 1877; Piper 4966. 



Zonal distribution: Arctic to Canadian. 



XEROPHYLLTJM. 



1. Xerophyllum. tenax (Pursh) Nutt. Gen. 1: 235. 1818. Pine lily. ^ 



Hehnias tenax Pursh, Fl. 1 : 243. 1814. CS^^^^TV^^^ , 



Type locality: "On the high lands near the Rocky Mountains." Collectcul l)y Lewis, 



June 25, 1806, on which date he was on Collins [Lolo] Creek, Idaho. 

 Range: British Columbia to Montana and California. 

 Specimens examined: Clallam County, Elmer 2.505; Skokomish Valley, Kmrahl, June, 



1892; Mount Rainier, Piper, August, 1895; Mount Carlton, Kreager 273. 

 Zonal distribution: Pludsonian and Canadian. 

 This plant was formerly much used by the Indians in basketry work. It ranges in 



altitude from near the sea level in Mason County to 6,000 feet on Mount Rainier. On the 



Lolo Trail, where Lewis collected the type, it is exceedingly abundant, often c()V(Ming 



hundreds of acres. It is also kno^vm as bear grass and squaw grass. 



ZYGADENUS. 



Petals 8 to 10 mm. long; gland obcordate 1 . Z. eleganft. 



Petals 6 to 8 mm. long; gland obovate. 



Inflorescence paniculate; petals acute 2. Z. jxiniriihifiit;. 



Inflorescence racemose; petals obtuse 3. Z. venenos'iis. 



1. Zygadenus elegans Pursh, Fl. 1: 241. 1814. 



Type locality: "On the waters of the Cokahlaishkit River, near the Rocky Moun- 

 tains" [i. e.. Big Blackfoot River, Montana]. Collected by Lewis. 



Range: Alaska to New Brunswick, south to Washington, Colorado, Minnesota, and 

 Vermont. 



Specimens examined: Olympic Mountains, F/ci^ 109; Wenache Mountains, Whilid 7\S; 

 Wenache Region, BramJegce 1112; Loomis, Elmer 597. 



2. Zygadenus paniculatus S. Wats. 'Bot. King Explor. 5: 343. 1871. 



Type locality: "Oregon and Washington. Frequent on the foot-hills of the Virginia, 

 Trinity, and West Humboldt Mountains, Nevada, and in the Wahsatch." 



RAN(iE: W^ashington to Nevada and Montana. 



Specimens examined: Admiralty Head, Piper, May, 1898; Ellensburg, Whifed 3.54, 

 Piper 2671; Ellensburg to V/enas, Whifed 276; Wenache Valley, Whited 85, 1054;, IvAam 

 Vallej^ Siilcsdorf 704; Rattlesnake Mountains, Cotton 577, 366; between Coulee Cii ; r::;:! 

 Waterville, Spillman, May, 1896; without locality, Vasey; Waitsburg, rionier P>4!;3. 



Zonal distribution: LTpper Sonoran. 



