PEA FAMILY 515 



77. Lupinus Burkei S. Wats. Burke's Lupine. Fig. 2636. 



Lupinus Burkei S. Wats. Proc. Amer. Acad. 8: 525. 1873. 

 Lupinus apodotropis Heller, Muhlenbergia 7: 14. 1911. 



Glabrate except in the inflorescence, usually succulent and fistulous, but slender when on 

 hillsides in dry seasons, erect, 3-8 dm. tall. Lower leaves long-petioled, all glabrous above, 

 glabrate beneath, petioles 8-20 cm. long, leaflets 5-10, oblanceolate, acute, bright green above, 

 paler beneath, 4-9 cm. long by 8-20 mm. wide ; peduncles 5-10 cm. long, racemes 8-16 cm. long, 

 many-flowered ; flowers 10-13 mm. long, scarcely verticillate, pedicels 2-5 mm. long, spreading- 

 pubescent, bracts subpersistent, villous; calyx loosely pubescent, upper lip entire or notched, 

 lower entire ; petals blue, banner with yellow center turning violet, glabrous, keel arcuate, slender, 

 non-ciliate; pods pubescent, 25-35 by 5-6 mm., ovules 5-8, seeds 3-4 by 2-3 mm., dull yellow 

 marbled with brown. 



Moist meadows and hillsides, Arid Transition Zone; eastern Washington and eastern Oregon to the Yellow- 

 stone National Park region. Type locality: Snake country (Burke). June-Aug. 



78. Lupinus superbus Heller. Superb Lupine. Fig. 2637. 



Lupinus superbus Heller, Muhlenbergia 2: 209. 1906. 



Glabrate below, stout, fistulous, erect, 8-10 dm. tall. Leaves glabrous above, villous beneath, 

 lower petioles about 10 cm. long, upper shorter, leaflets 5-9, oblanceolate, acute, about 5 cm. by 

 10 mm.; peduncles 3-8 cm. long, racemes 12-20 cm. long, densely flowered; flowers 10—12 mm. 

 long, subverticillate, pedicels slender, 3-A mm. long, appressed-pubescent, bracts early deciduous, 

 villous; calyx silky, both lips entire; petals violet-purple, banner glabrous, keel arcuate, non- 

 ciliate ; pods villous, ovules 7-8, seeds whitish, unmarked. 



Meadows, Upper Sonoran Zone; Bishop, Inyo County, California, the type locality. May-June. 



Lupinus superbus var. elongatus (Greene) C. P. Smith in Jepson, Man. Fl. PI. Calif. 528. 1925. (Lupi- 

 nus elongatus Greene ex Heller, Muhlenbergia 6: 17. 1910.) Flowers 12-15 mm. long, scattered or in lax 

 verticils; leaves appressed-hairv beneath. Wet soil near streams, Upper Transition Zone; Sierra Nevada, Tulare 

 County to Modoc County, California, and adjacent Nevada. Type locality: Spooner, Douglas County, Nevada. 



Lupinus superbus var. bernardinus Abrams ex C. P. Smith in Jepson, Man. Fl. PI. Calif. 528. 1925. 

 (L. bernardinus Abrams ex Eastw. Leaflets West. Bot. 2: 182. 1939.) Like the last, but flowers only 9-11 mm. 

 long, usually scattered in lax racemes. Similar habitats, Upper Transition Zone; San Bernardino Mountains^ to 

 Butte County, California, and near Sumpter, Baker County, Oregon. Type locality: Deep Creek, San Bernardino 

 County, California. 



79. Lupinus polyphyllus Lindl. Large-leaved Lupine. Fig. 2638. 



Lupinus polyphyllus Lindl. Bot. Keg. 13: pi. 1096. 1827. 



Minutely appressed- or spreading- pubescent, erect, mostly unbranched, 5-15 dm. tall, stout 

 and fistulous. Leaves few, mostly long-petioled, glabrous or minutely pubescent above, petioles 

 15-30 cm. long, stout, leaflets 10-17, oblanceolate, 7-15 cm. long, 15-30 mm. wide; peduncles 3-8 

 cm. long, racemes 15-60 cm. long; flowers 12-14 mm. long, usually not crowded, subverticillate, 

 bracts early deciduous, pedicels 10-16 mm. long, usually appressed-pubescent; calyx-lips entire, 

 upper broadly ovate, lower acuminate ; petals blue, purple, reddish, or yellowish, glabrous, keel 

 falcate, non-ciliate; pods dark brown, loosely hairy, 25-40 mm. long by 7-9 mm. wide, ovules 

 5-9, seeds about 4 mm. long, variously colored and spotted. 



Moist soil, Lower Transition Zone; Lake and Siskiyou Counties, California, northward to British Columbia. 

 Type locality: in the northwest of North America. May-Aug. 



Lupinus polyphyllus var. grandifolius (Lindl.) C. P. Smith in Jepson, Man. Fl. PI. Calif. 528. 1925. 

 (Lupinus grandifolius Lindl. ex Agardh, Syn. Gen. Lup. 18. 1835; Lupinus macrophyllus Benth. in Sweet, 

 Brit. Flow. Gard. II. 4: pi. 356. 1838; Lupinus magnus Greene, Pittonia 3: 160. 1897.) Racemes compact; 

 pedicels stout, 6-9 mm. long, densely spreading-pubescent; stems sometimes villous. Wet soil, Humid Transition 

 Zone; near the coast from near Santa Cruz to Sonoma County, California. Type locality: California. 



Lupinus polyphyllus var. pallidipes (Heller) C. P. Smith, Contr. Dudley Herb. 1: 47. 1927. (Lupinus 

 pallidipes Heller, Muhlenbergia 7: 91. 1911.) Leaves persistently pubescent on the upper surface; color of 

 petals as variable as in the typical form. Upper Sonoran and Transition Zones; Vancouver Island to northern 

 California. Type locality: Eugene, Lane County, Oregon. 



80. Lupinus minimus Dougl. Kettle Falls Lupine. Fig. 2639. 



Lupinus minimus Dougl. ex Hook. Fl. Bor. Amer. 1: 163. 1830. 

 Lupinus Piperii Robinson, Contr. U.S. Nat. Herb. 11: 353. 1906. 



Stems few, short, subappressed-silky, with one or two reduced leaves, unbranched, erect to 

 decumbent, 15-30 cm. tall. Leaves mainly basal, long-petioled, the petioles 5-10 cm. long, leaflets 

 5-9, oblanceolate, 2-3 cm. long, silky on both sides ; peduncles 7-13 cm. long, usually surpassing 

 the foliage, about equaling the racemes ; flowers 8-14 mm. long, loosely subverticillate, spread- 

 ing, bracts deciduous, pedicels 2-4 mm. long, spreading-pubescent ; upper calyx-lip bifid, lower 

 entire ; petals deep blue, the banner paler at the center, suborbicular, glabrous, keel somewhat 

 curved, ciliate on the upper edges ; pods 20-25 mm. long, ovules 4 or 5. 



Alluvial gravels, Arid Transition Zone; eastern Washington to central Montana and Wyoming. Type 

 locality: mountain valleys in northwest America, near the Kettle Falls, and very abundant toward the Rocky 

 Mountains, along the courses of the Columbia. May-July. 



Lupinus minimus var. Hellerae (Heller) C. P. Smith & St. John, Fl. S.E. Wash. 228. 1937. (Lupinus 

 Hellerae Heller, Bull. Torrey Club 25: 265. 1898.) Differing only in having the pedicels appressed-pubescent. 

 Sands and gravels of the Clearwater River, near Lewiston, Idaho, and collected once at Bishop, Snake River, 

 Whitman County, Washington. Type locality: Lewiston, Nez Perce County, Idaho. 



