510 FAB ACE AE 



simple or branched, 1-5 dm. long, roots bright yellow. Leaves many, usually short-petioled, 



petioles mostly 3-4 cm. long, leaflets 5-9, oblanceolate, acute or obtuse, appressed-pubescent on 



both sides, 20-35 by 5-10 mm.; peduncles 4-12 cm. long, racemes 5-12 cm. long; flowers 10-13 



mm. long, verticillate or nearly so, bracts early deciduous, pedicels 3-6 mm. long, spreading- 



pubescent ; upper calyx-lip bidentate or entire, lower entire ; petals blue, fading brownish, banner 



glabrous, suborbicular, keel arcuate, ciliate on the upper edges ; pods slender, 30-35 by 5-6 mm., 



dark brown, appressed-pubescent, ovules 9-14, seeds linear-oblong, about 3 by 1.5 mm., mottled. 



Coastal sands, Humid Transition Zone; northern California to Vancouver Island. Type locality: seashore, 

 Cape Mendocino to Puget Sound. May-Aug. 



66. Lupinus Tidestromii Greene. Tidestrom's Lupine. Fig. 2625. 



Lupinus Tidestromii Greene, Erythea 3: 17. 1895. 



Densely appressed-silky, unbranched, decumbent, stems slender, 1-3 dm. long, roots bright 

 yellow. Leaves short-petioled, scattered, silvery-silky on both sides, petioles 1-3 cm. long, leaflets 

 3-5, often only 3, oblanceolate, acute or obtuse, about 20 by 5 mm. ; peduncles 4-8 cm. long, 

 racemes 2-10 cm. long, verticils 1-5; flowers 11-13 mm. long, bracts lance-ovate, 5 mm. long, 

 early deciduous; pedicels slender, 3-5 mm. long, spreading-pubescent ; upper calyx-lip deeply 

 lobed, lower entire or notched; petals blue, banner glabrous, suborbicular, the white or yellow 

 center changing to violet, keel arcuate, ciliate at the upper edges ; pods 20-25 by 5 mm., succulent 

 and terete when green, flat and yellow when dry, ovules 5-8, seeds rhombic, about 3 by 2.5 mm., 

 dotted or marbled with black. 



Sand dunes, Humid Transition Zone; Pacific Grove, Monterey County, and Point Reyes, Marin County, 

 California. Type locality: Pacific Grove, California. May-June. 



67. Lupinus Covillei Greene. Coville's Lupine. Fig. 2626. 



Lupinus Covillei Greene, Proc. Acad. Phila. 1892: 365. 1893. 

 Lupinus dasyphyllus Greene, Leaflets Bot. Obs. 1: 73. 1904. 



Loosely villous with spreading hairs, usually unbranched, erect, fistulous, 3-9 dm. tall. Leaves 



all cauline, short-petioled, scattered below, more crowded below the inflorescence, petioles 1-6 



cm. long, leaflets about 7, nearly linear, attenuate both ways, acute, villous on both sides, 3-6 cm. 



long, 4-8 mm. wide; peduncles 2-6 cm. long, racemes 10-20 cm. long, flowers 10—14 mm. long, 



scattered or subverticillate, rather crowded, bracts persistent, linear, villous, 8-15 mm. long, 



pedicels 2-3 mm. long, spreading-villous ; calyx long-bracteolate, villous, upper lip bidentate, 



lower entire or tridentate; petals blue, banner glabrous, suborbicular, keel arcuate, sparsely 



ciliate on upper edges near apex ; pods 25-30 by 6-8 mm., villous, ovules 4-6, seeds not seen. 



Canadian and Hudsonian Zones; High Sierra Nevada, Yosemite region to Tulare County, California. Type 

 locality: Farewell Gap, Tulare County, California. July-Aug. 



68. Lupinus gracilentus Greene. Greene's Slender Lupine. Fig. 2627. 



Lupinus gracilentus Greene, Proc. Acad. Phila. 1892: 365. 1893. 



Sparsely appressed-pubescent to glabrate, 4-8 dm. tall; stems slender, suberect. Leaves 



cauline, lower long-petioled, upper crowded in axillary clusters, subsericeous beneath, glabrous or 



glabrate above; stipules 10-15 mm. long, filiform, more or less half adnate; petioles 5-14 cm. 



long, very slender, lowest and longest about 3 times as long as leaflets ; leaflets 5-8, linear, 40-80 



by 2-5 mm., acuminate at apex; peduncles 6-12 cm. long, slender; racemes 10-20 cm. long; 



flowers 10-13 _mm. long, spreading to ascending in distinct verticils ; pedicels 2-4 mm. long, 



loosely ascending-pubescent; floral bracts caducous, filiform, 8-10 mm. long; calyx subsym- 



metrical or slightly subgibbous, upper lip bidentate, lower bidentate or entire, linear ; petals blue 



or bluish, banner and wings glabrous, the latter covering most of keel, keel ciliolate above near 



middle ; ovules 7-8, pods and seeds not seen. 



Canadian Zone; upper end of Tuolumne Canyon, above and below Tuolumne Falls, Yosemite Park, 

 Tuolumne County, California. July-Aug. 



69. Lupinus albicaulis Dougl. Sickle-keeled Lupine. Fig. 2628. 



Lupinus albicaulis Dougl. ex Hook. Fl. Bor. Amer. 1: 165. 1833. 



Lupinus falcifer Nutt. ex Torr. & Gray, Fl. N. Amer. 1: 378, as a synonym. 1840. 



Thinly appressed-pubescent, rather stout, branched above, 5-9 dm. tall. Leaves cauline, all 



short-petioled, petioles 2-4 cm. long, leaflets 5-9, oblanceolate, acute, thinly appressed-hairy on 



both sides ; peduncles 3-8 cm. long, racemes 10-30 cm. long ; flowers 12-16 mm. long, not crowded, 



pedicels 4-6 mm. long, spreading-pubescent ; calyx-lips notched or the lower entire ; petals whitish 



to purple, fading brown, banner lance-ovate, acute at apex, wings very narrow, covering little of 



the slender, much-curved keel which is non-ciliate ; pods appressed-pubescent, 30-40 by 8-10 mm., 



ovules about 6, seeds compressed, mottled with gray, about 4 mm. long. 



Open situations, Transition Zone; western Washington to Nevada County, California. Type locality: 

 about Fort Vancouver, on the Columbia. May-Aug. 



Lupinus albicaulis var. shastensis (Heller) C. P. Smith in Jepson, Man. Fl. PI. Calif. 528. 1925. 

 {Lupinus shastensis Heller, Muhlenbergia 2: 67. 1905.) More slender and sometimes less branched, the flowers 

 only 8-11 mm. long. Transition Zone; Siskiyou County, California, and adjacent Oregon, occasional southward 

 in the Sierra Nevada as far as Kern County. Type locality: Shasta Springs, Siskiyou County, California. 



70. Lupinus croceus Eastw. Mount Eddy Lupine. Fig. 2629. 



Lupinus croceus Eastw. Leaflets West. Bot. 2: 126. 1938. 



Plant 4-6 dm. tall, perennial, herbaceous, erect, branched at base, stems slender, nerved, 



