PIPER—FLORA OF THE STATE OF WASHINGTON. 307 
23. Lupinus polyphyllus Lindl. Bot. Reg. 13: pl. 1096. 1827. 
TypE LocaLity: “In the North-West of North America.”’ 
Rance: 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 5. Wats. Proc. Am. Acad. 8: 525. 1873. 
Type Locatiry: “Snake Country.’”’ Collected by Burke. 
Rance: Washington, Oregon, and Idaho. 
SPECIMENS EXAMINED: Spangle, Piper 2875, 3548; Silver Lake, Henderson, July, 1892; 
Rock Lake, Sandberg & Leiberg, May, 1893; Cheney, Sandberg & 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, mer 454; Peshastin, Sandberg & Leiberg, July, 
1893. 
ZONAL DISTRIBUTION: Arid Transition. 
25. Lupinus rivularis Doug]. Bot. Reg. 19: pl. 1595. 1833 
Type Locaity: “Native of California.’ 
Rance: British Columbia to California. 
SPECIMENS EXAMINED: Vancouver, Piper 4924; Clallam County, Elmer 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, Fett 
112; Leckenby, June 10, 1898; Charleston, Piper, July 2, 1895; without locality, Vasey in 
1889. 
ZONAL DISTRIBUTION: Humid Transition. 
26. Lupinus sabinii Doug].; Hook. Fl. Bor. Am. 1: 166. 1830. 
Tyre Locauity: “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. 
Rance: Blue Mountains of Washington and probably of Oregon. 
SPECIMENS EXAMINED: Mountains near Waitsburg, Piper 2331, Horner 91; near the same 
place, Cusick 3011. 
ZONAL DISTRIBUTION: Arid Transition. 
These specimens have somewhat smaller flowers than Douglas’ originals, and differ 
slightly in pubescence. 
27. Lupinus sulphureus Dougl.; Hook. Fl. Bor. Am. 1: 166. 1830. 
TypPE Locauity: “On the Blue Mountains of North West America and on elevated 
grounds near the sources of Clarke’s River.’’ Collected by Douglas. 
Rance: 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: pl. 1140. 1828. 
Lupinus arbustus Doug]. Bot. Reg. 15: pl. 1.230. 1829. 
Type Locaity: “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, //enderson 
2337; Ellensburg, Piper 2727; Falcon Valley, Suksdorf 2569; Columbus, Suksdexf 1792; 
For illustration of Lupinus rivularis, see Plate X, facing page 42. 
