PIPER FLORA OF THE STATE OF WASHINGTON. 357 



23. Lupinus polyphyllus Lindl. Bot. Reg. 13: fl. 1096. 1827. 

 Type locality: "In the North- West of North America." 

 Range: British Columbia to California. 



Specimens examined: Montesano, Heller 3878; Whatcom County, Gardner; Seattle, 

 Piper, July, 1897; Woodlawn, Henderson, June 22, 1892; Maxfield, Henderson, June 22, 

 1892; Manor, Piper, July 14, 1899; Fourth Plain, Piper, July 14, 1899; Vancouver, Piper 

 4925. 



Zonal distribution: Transition. 



24. Lupinus burkei S. Wats. Proc. Am. Acad. 8: 525. 1873. 

 Type locality: "Snake Country." Collected by Burke. 

 Range: Washington, Oregon, and Idaho. 



Specimens examined: Spangle, Piper 2875, 3548; Silver Lake, Henderson, July, 1892; 

 Rock Lake, Sandberg & Leiberg, May, 1893; Cheney, Sandberg cfe Leiberg, May, 1893; 

 Spokane County, Mrs. Tucker 16; without locality, Vasey 265. 



The following specimens are not typical, but for the present are referred here: Mount 

 Stuart, Elmer 1112; Wenache Mountains, Elmer 454; Peshastin, Sandberg dc leiberg, July, 

 1893. 



Zonal distribution: Arid Transition. 



25. Lupinus rivularis Dougl. Bot. Reg. 19: pZ. 1595. 1833 

 Type locality: "Native of California." 



Range: British Columbia to California. 



Specimens examined: Vancouver, Piper 4924; Clallam County, iS'Zmer 2542; Orchard 

 Point, Piper 2315; Montesano, Heller 3906; Hoodsport, Henderson 1875; Chehalis County, 

 Lamb 1181; Kittitas County, Henderson, June 11, 1892; Falcon Valley, Suksdorf 2566; 

 west Klickitat County, Suksdorf 2563; Moss Creek, Suksdorf 2565, 2564; Tacoma, Flett 

 112; Leckenby, June 10, 1898; Charleston, Piper, July 2, 1895; without locality, Vasey in 

 1889. 



Zonal distribution: Humid Transition. 



26. Lupinus sabinii Dougl.; Hook. Fl. Bor. Am. 1: 166. 1830. 



Type locality: "On the Blue Mountains of North America, and on the dividing ridge of 

 the Rocky Mountains near the confines of perpetual snow." Collected by Douglas. 



Range: Blue Mountains of Washington and probably of Oregon. 



Specimens examined: MountainsnearWaitsburg, Piper 2331, isomer 91; near the same 

 place, Cusick 3011. 



Zonal distribution: Arid Transition. 



These specimens have somewhat smaller flowers than Douglas' originals, and difler 

 slightly in pubescence. 



27. Lupinus sulphureus Dougl.; Hook. Fl. Bor. Am. 1: 166. 1830. 



Type locality: "On the Blue Mountains of North West An-.orica and on elevated 

 grounds near the sources of Clarke's River." Collected by Douglas. 

 Range: Washington, Oregon, and Idaho. 



Specimens examined: Blue Mountains, Columbia County, Piper 2332; Horner 87, 88. 

 Zonal distribution : Hudsonian or Canadian. 



28. Lupinus laxiflorus Dougl. Bot. Reg. 14: pi. llJfi. 1828. 

 Lupinus arbustus Doug] . Bot. Reg. 15: pZ. 1230. 1829. 



Type locality: "In dry, open, gravelly plains about the great rapids of the River Co- 

 lumbia." Collected by Douglas. 



Range: British Columbia to Oregon and Idaho. 



Specimens examined: Wenache Region, Brandegee 703; North Yakima, Henderson 

 2337; Ellensburg, Piper 2727; Falcon Valley, Suksdorf 2569; Cohimbus, Suksdorf 1792; 



For illustration of Lupinus rivularis, see Plate X, facing page 43. 



