LEGUMINOSAE. 217 



subulate, _ shorter than the calyx; calyx bilabiate, the upper lip 2-cleft,.thc 

 lower entire; corolla purple-blue, 6-10 mm. long; keel ciliate; standard glabrous, 

 oblong-obovate; pods villous. 



In dry prairies, Washington to California. 



Lupinus albicaulis Dougl. Perennial, with several to many stems arising 

 from a stout crown; pubescence mostly thin and appressed, somewhat velvety; 

 stems leafy, branched, 50-90 cm. high; leaflets 5-9, oblanceolate, acute, thinly 

 silky on both sides, 3-5 cm. long, about as long as the petioles; principal raceme 

 elongated, often 30 cm. long, the others short; bracts subulate, 4-6 mm. long, 

 equalling the pedicels; calyx silky, the upper lip 2-cleft, the lower entire; 

 corolla purple, about 12 mm. long; keel much elongated, bent at right angles 

 and early exposed, not ciliate; pods linear, villous. 



Dry ground, Washington to California. 



Lupinus gormani Piper. Perennial with a very large woody root; herbage 

 silvery-pubescent; stems erect, 20 cm. high; leaflets 5-7, oblanceolate, obtuse 

 or acute, 2-2.5 cm. long, thinly sericeous on both sides; petioles shorter than 

 the leaflets; stipules subulate; racemes few-flowered; pedicels 3—1 mm. long; 

 calyx pubescent, bilabiate, the upper lip 2-toothed, the lower entire; corolla 

 violet, 10 mm. long; standard orbicular, glabrous; keel strongly falcate, not 

 ciliate; ovary hairy, 6-ovuled. 



Known only from the Three Sisters, Oregon, where it was collected by 

 Gorman. 



Lupinus holosericeus Nutt. Stems much branched, decumbent and 

 shrubby at base, 30—50 cm. high, leafy; pubescence very silvery and silky; 

 leaflets 5-9, lanceolate, acute, 2-5 cm. long, usually shorter than the petiole; 

 stipules subulate; flowers pedicelled, in racemes 10-30 cm. long; calyx silky, 

 the upper lip 2-cleft, the lower entire; corolla blue, 10-12 mm. long; keel 

 ciliate; pods silky, 3-5-seeded. 



Rocks near the falls of the Willamette River, where it was first found by 

 Nuttall, and southward. A very handsome species on account of its silvery 

 foliage and deep blue flowers. 



Lupinus littoralis Dougl. Perennial ; pubescence mostly silky and appressed ; 

 stems decumbent, 30-90 cm. long; leaflets 5-8, obovate, acute, silky on both 

 sides, 10-25 mm. long, shorter than the petioles; stipules subulate; racemes 

 short; pedicels 5-6 mm. long; calyx without bractlets, the lip entire or nearly 

 so; corolla blue, 12 mm. long; keel ciliate; pods linear, 10-12-seeded. 



Common on high sandy beaches along the ocean coast, Vancouver Island 

 to California. The roots are said to have been used by the Indians for food. 



Lupinus alpicola Henderson. Stems several from a thickish caudex, scaly 

 at the base, erect, 30-50 cm. high, simple or nearly so, leafy, covered by a fine 

 short closely appressed pubescence; petioles slender, erect, all but the upper 

 exceeding the 7 or 8 leaflets, these linear-oblanceolate, acute, finely sericeous- 

 pubescent on both surfaces, 2.6-3.6 cm. long, 2-5 mm. broad; racemes mostly 

 terminal on the stems, shortly peduncled, loosely flowered, 7-10 cm. long; 

 bracts lanceolate, sericeous-pubescent, rather short, when persisting not equal- 

 ling the tomentulose pedicels; petals purplish blue; standard suborbicular, 

 sparingly villous near the middle dorsally; keel strongly ciliated; pods lance- 

 oblong, acute, silky, 2.4-3 cm. long, 4 or 5-seeded. 



Mount Adams, Henderson, Suksdorf; north side of Mount Hood, Oregon, 

 Howell. 



289. ULEX. 



Low densely branched shrubs with leaves mostly reduced to 

 phyllodes and spine-like ; calyx deeply 2-lipped; standard ovate; 



