PEA FAMILY 511 



appressed-subsericeous or glabrate. Leaves numerous, cauline, glabrate or subsericeous both sides, 

 stipules 6-8 mm. long, subadnate or mostly free, petioles mostly 3-8 cm. long, slender, almost 

 equaling their leaflets, leaflets 5-8, obtuse or acute, mostly oblanceolate, mucronulate, flat, radiat- 

 ing, largest 40-60 mm. long, 5-18 mm. wide; peduncles 4-6 cm. long, racemes 6-10 cm. long, 

 verticils, if definite, 4-6, approximate or well separated, floral bracts 3-4 mm. long, linear, de- 

 ciduous, almost equaling their buds, pedicels 3-5 mm. long, ascending, subappressed-pubescent ; 

 flowers 12-15 mm. long, spreading, often subverticillate, calyx subsymmetrical, appressed-silky, 

 upper lip bidentate, lower entire; petals pale or bright yellow, banner glabrous, suborbicular, 

 reflexed 3-5 mm., wings 5-6 mm. long, covering keel, keel non-ciliate, arcuate; pods 20-35 mm. 

 long, 9-10 mm. wide, ascending or suberect, dull dark yellow, ovules 4-5, seeds 6-7 by 4-6 mm., 

 dull clay-colored, minutely dotted with darker. 



Local on mountain sides, Siskiyou and Trinity Counties, Lower Transition Zone ; Salmon, Scott, and Trinity 

 mountains, and the north side of Mount Shasta, the type locality. May-July. 



Lupinus pilosellus Eastw. Leaflets West. Bot. 2: 127. 1938. Apparently differing from the last in having 

 noticeable spreading pubescence. Type locality: Trinity River valley, north of Carrville, between Eagle and 

 Bear Creeks. 



71. Lupinus Andersdnii S. Wats. Anderson's Lupine. Fig. 2630. 



Lupinus Andersonii S. Wats. Bot. King Expl. 58. 1871. 



Minutely appressed-pubescent, slender, branched above, the branches usually floriferous, 3-9 

 dm. tall. Leaves numerous, short-petioled, all cauline, petioles 2-5 cm. long, leaflets about 7, 

 oblanceolate, acute or obtuse, 25-50 by 5-10 mm., greenish above ; peduncles 3-6 cm. long, racemes 

 6—18 cm. long, mostly lax ; flowers 10-12 mm. long, scattered or subverticillate, bracts deciduous, 

 pedicels about 5 mm. long, spreading-pubescent ; calyx-lips entire or the upper 2-toothed ; petals 

 blue, purplish, or yellowish, banner glabrous, wings covering most of the arcuate, non-ciliate 

 keel ; pods appressed-pubescent, 3-4 cm. by about 8 mm., ovules 4-6, seeds compressed, 4-5 mm. 

 long, more or less obscurely mottled on a yellowish or brown ground-color. 



Exposed plains and slopes, Arid Transition Zone; southern Oregon to Humboldt and Tulare Counties, Cali- 

 fornia, also in the San Bernardino Mountains and western Nevada. Type locality: near Carson City, Nevada. 

 June-Sept. 



Lupinus Andersonii var. apertus (Heller) C. P. Smith in Jepson, Man. Fl. PI. Calif. 528. 1925. {Lupinus 

 apertus Heller, Muhlenbergia 8: 103. 1912.) Stems 2-4 dm. tall, usually unbranched or with sterile foliaceous 

 branchlets, foliage greener; banner more or less pubescent on the back near apex. Open woods, Upper Transition 

 Zone: Placer and Nevada Counties, California, near Donner Lake. Type locality: Summit, Placer County, Cali- 

 fornia. 



72. Lupinus fulcratus Greene. California Green-stipuled Lupine. Fig. 2631. 



Lupinus fulcratus Greene, Pittonia 3: 159. 1897. 



Lupinus fraxinetorum Greene, Leaflets Bot. Obs. 2: 234. 1912. 



Very much like the last, branched or unbranched, 3-8 dm. tall. Stipules green and leaf-like, 

 lanceolate, oblanceolate, elliptic, or oval (linear-lanceolate and inconspicuous in all related forms). 



Transition Zone; Sierra Nevada forests, Eldorado County to Fresno County, California. Type locality: 

 Fresno County, California, at considerable elevations in the mountains. July-Sept. 



73. Lupinus elatus Johnston. Johnston's Silky Lupine. Fig. 2632. 



Lupinus elatus Johnston, Bull. S. Calif. Acad. 17: 63. 1918. 



Also very much like L. Andersonii ; erect, branched above, 5-9 dm. tall. Leaflets silvery- 

 silky above, duller below; flowers 10-14 mm. long, banner glabrous or pubescent near middle 

 of back. 



Under pines, Upper Transition Zone; San Antonio and San Bernardino Mountains, southern California. 

 Type locality: head of Icehouse Canyon, San Bernardino County, California. June-Aug. 



74. Lupinus adsurgens Drew. Drew's Silky Lupine. Fig. 2633. 



Lupinus adsurgens Drew, Bull. Torrey Club 16: 150. 1889. 

 Lupinus Gormanii Piper. Smiths. Misc. Coll. 50: 200. 1907. 

 Lupinus Pendletonii Heller, Muhlenbergia 2: 295. 1907. 



Appressed- or subappressed-silky-pubescent, slender, erect or ascending, 2-6 dm. tall. Leaves 

 several, all short-petioled, petioles 15-40 mm. long, leaflets 5-8, oblanceolate, obtuse or rounded 

 at apex, 20-35 by 5-8 mm. ; peduncles 2-6 cm. long, racemes 4-10 cm. long, not dense ; flowers 

 9-12 mm. long, scattered or subverticillate, bracts early deciduous, pedicels 2-4 mm. long, slender, 

 spreading-pubescent; calyx silky, upper lip notched or entire, lower entire; petals pale yellow, 

 lilac or blue, keel non-ciliate, usually curved ; ovules 4-6, pods and seeds not seen. 



Higher mountain sides, Upper Transition and Hudsonian Zones; central Cascade Mountains of Oregon to 

 San Diego County, California. Type locality: western side of South Fork Mountain, Humboldt County, Cali- 

 fornia. April-July. 



Lupinus adsurgens var. lilacinus Heller ex C. P. Smith in Jepson, Man. Fl. PI. Calif. 529. 1925. De- 

 cumbent, hardly silky, the pubescence more spreading; pedicels stouter, 4-6 mm. long, flowers 12-14 mm. long; 

 wings much exceeding keel. Arid Transition Zone; Lake, Glenn, and San Diego Counties, California. Type lo- 

 cality: Newville-Covelo road, Glenn County, California. 



Lupinus adsurgens var. undulatus C. P. Smith in Jepson, Man. Fl. PI. Calif. 529. 1925. Differing from 

 variety lilacinus in leaflets larger and more greenish, wing-petals smaller scarcely exceeding keel, and banner with 

 undulate margins. Open woods. Transition Zone; Yosemite region to Tuolumne Grove, Sierra Nevada, California. 

 Type locality: Yosemite-Crockers, Mariposa County, California. 



