490 FABACEAE 



10. Lupinus pusillus var. intermontanus (Heller) C. P. Smith. Intermontane 



Low Lupine. Fig. 2569. 



Lupinus intermontanus Heller, Muhlenbergia 8: 87. 1912. 



Lupinus pusillus var. intermontanus (Heller) C. P. Smith, Bull. Torrey Club 46: 408. 1919. 



Loosely villous, about 1 dm. tall, branches ascending to widely spreading. Foliage rather 

 congested, petioles two to three times the leaflets, which are usually 5, oblong-oblanceolate, 

 rounded at apex, largest about 20 by 7 mm., glabrous above, appressed-long-hairy below; pe- 

 duncles 1-2 cm. long, racemes 3-5 cm. long, equaled or surpassed by the foliage ; flowers 7-9 mm. 

 long, bracts persistent, pedicels and calyx-cup glabrous or subvillous, about 2 mm. long ; calyx- 

 lips villous, the upper bifid, the lower tridentate or entire; petals bluish to whitish, banner 7-8 

 mm. long, obovate or spatulate, keel nearly straight, non-ciliate ; pods constricted near the middle, 

 villous ; seeds flat, rugose, pale yellow, almost concave-lenticular. 



Dry sandy plains, Upper Sonoran Zone; eastern Washington and eastern California to northern Arizona, 

 Colorado, and Wyoming. Type locality: Wadsworth, Washoe County, Nevada. May-July. 



11. Lupinus concinnus Agardh. Concinnous Annual Lupine. Fig. 2570. 



Lupinus concinnus Agardh, Syn. Gen. Lup. 6. 1835. 



Densely villous, 6-20 cm. tall, simple or much-branched from the base. Leaves long-petioled, 

 hairy above ; petioles 4-8 cm. long, leaflets 5-8, oblanceolate, 10-20 mm. long ; racemes nearly 

 sessile, 3-6 cm. long, surpassed by the leaves, a short raceme or one or two flowers 7-9 mm. long, 

 usually well scattered, pedicels 1 mm. long, stout, long-villous ; upper calyx-lip cleft, lower tri- 

 dentate ; petals lilac, edged with rich reddish purple, banner obovate, rounded or emarginate at 

 apex, keel nearly straight; pods 10-15 mm. long, ovules 2-4, seeds 2-3 mm. long, angled, nearly 

 square, pale, obscurely spotted. 



Dry soils, Lower and Upper Sonoran Zones, Monterey County, California, to New Mexico and Lower Cali- 

 fornia. Type locality: California, probably near Monterey. April-June. 



Lupinus concinnus var. Orcuttii (S. Wats.) C. P. Smith, Bull. Torrey Club 48: 225. 1921. (Lupinus 

 Orcuttii S. Wats. Proc. Amer. Acad. 20: 359. 1885: Lupinus miccnsis M. E. Jones, Proc. Calif. Acad. II. 

 5: 630. 1895.) Flowers 6-7 mm. long, banner narrower, about 3 mm. wide. Monterey County, California, to 

 southern Utah and New Mexico, Sonora, and Lower California. 



Lupinus concinnus var. optatus C. P. Smith, Bull. Torrey Club 48: 227. 1921. Larger throughout, 

 20-30 cm. tall; flowers 10-12 mm. long, banner 7-9 mm. wide. Monterey County to San Diego, California, ap- 

 parently inhabiting more moist situations. Type locality: Grass Valley, San Bernardino County, California. 



Lupinus concinnus var. Agardhianus (Heller) C. P. Smith, Bull. Torrey Club 48: 228. 1921. (Lupinus 

 gracilis Agardh, Syn. Gen. Lup. 15. 1835, not Lupinus gracilis Nutt., Journ. Acad. Phila. 7: 115. 1834. Lu- 

 pinus Agardhianus Heller, Muhlenbergia 7: 13. 1911.) Pubescence spreading, but short and less dense; petals 

 bright blue or edged with rose-purple, banner angled at apex. Monterey County to San Diego, California, 

 probably not east of Fort Tejon and Cajon Pass. Type locality: California, probably near Monterey. 



Lupinus concinnus var. pallidus (Brandg.) C. P. Smith, Bull. Torrey Club 48: 229. 1921. (Lupinus 

 pallidus Brandg. Zoe 4: 203. 1893.) Pubescence mainly appressed; leaflets 5-6, spatulate; petals white or pale 

 bluish. Alluvial sands, Lower Sonoran Zone; southern San Diego County, California, and adjacent Lower Cali- 

 fornia. Type locality: Mission San Vincente, northern Lower California. 



Lupinus concinnus var. desertorum (Heller) C. P. Smith, Bull. Torrey Club 48: 230. 1921. (Lupinus 

 desertorum Heller, Muhlenbergia 2: 72. 1905.) Pubescence mainly appressed; leaflets 6-9, oblanceolate; petals 

 white or yellowish. Gravelly hillsides, Lower Sonoran Zone; Kern and San Bernardino Counties, California. 

 Type locality: Randsburg, Kern County, California. 



12. Lupinus Stiversii Kell. Stivers' Annual Lupine. Fig. 2571. 



Lupinus Stiversii Kell. Proc. Calif. Acad. 2: 192. 1862. 



Minutely pubescent, 15-45 cm. tall, branches ascending. Leaves long-petioled, appressed- 

 pubescent on both sides ; petioles 3-8 cm. long, leaflets 6 or 7, cuneate to spatulate or obovate, 

 12-40 mm. long; peduncles 3-8 cm. long, racemes 1-3 cm. long, few-flowered; flowers about 

 15 mm. long, pedicels about 2 mm. long, appressed-pubescent ; upper calyx-lip cleft, lower en- 

 tire ; banner bright yellow, wings rose-pink or purple, keel nearly straight above, the acumen 

 blunt, ciliate both above and below near claws ; pods about 20 mm. long, ovules 5-7, seeds flat, 

 angled, scarcely 3 mm. long, dark-spotted. 



Sands or gravels, Upper Sonoran and Lower Transition Zones; Sierra foothills, Butte County to the San 

 Bernardino Mountains, and in the Santa Lucia Mountains, Monterey County, California. Type locality: Summit 

 Meadows, Mariposa- Yosemite Trail, Mariposa County, California. April-July. 



13. Lupinus succulentus Dougl. Succulent Annual Lupine. Fig. 2572. 



Lupinus succulentus Dougl. ex K. Koch, Wochenschr. Gart. & Pfl. 4: 277. 1861. 

 Lupinus affinis of American authors, not Agardh. 



Glabrate or sparsely appressed-pubescent, 2-9 dm. tall, stout, usually succulent or fistulous, 



branched. Leaves long-petioled, glabrous above, petioles 6-12 cm. long, leaflets 7-9, cuneate to 



cuneate-obovate, 2-7 cm. long, 6—16 mm. wide; peduncles 2-8 cm. long, racemes 6-30 cm.; 



flowers 12-17 mm. long, subverticillate in 4-8 whorls or groups, spreading in anthesis, ascending 



later, bracts early deciduous, pedicels 4-6 mm. long, spreading-pubescent ; upper calyx-lip toothed 



or cleft, lower entire or tridentate ; petals deep blue to almost white, banner with yellow center 



turning violet, wings slightly ciliate at the base above, keel somewhat curved, ciliate near claws 



both above and below; pods about 5 cm. long, loosely pubescent or villous, ovules 8-10, seeds 



oblong, 4-5 mm. long, marbled with dark brown, a pair of whitish spots about the micropyle. 



Ravines, moist hillsides, and fields, Upper Sonoran and Transition Zones; Butte County, California, to 

 Lower California. Adventive in Arizona, presumably at Roosevelt Dam. Type locality: California. Feb.-May. 



