LUPIN-US LEGUMINOSJ-;. 1LJ 



one deeply bifid, the lower one shortly and equally toothed; petals 

 blue, equal, 3 4 lines Ions, the upper one orbicular. Alpine, on the Sis- 

 kiyou and Sierra Nevada Mountains. 



L. Lyallii Gray 1. e. Cam-scent with dense appressed villous pubes- 

 cence: stems leafy, 2 G inches long, from a spreading woody caudex: 

 leaflets 5 7, obovate, 34 lines long, acutish. the slender petioles 3 4 

 times longer: racemes very short, the pedicels exceeding the leaves: 

 bracts short: lips of the calyx nearly equal; petals purple or blue, 5 

 lines long, nearly equal, the upper one elliptical: pods silky. 4 lines 

 long. Common on the highest points of the Cascade and Sierra Ne- 

 vada Mountains from Washington to California. 



* * * * Erect annuals: leaflets mostly 57: upper lip of the 

 calyx 2-parted or bifid: keel mostly ciliate. 



L. carnosulus Greene Bull. Cal. Acad. ii, 144. Erect annual, 12 

 feet high, simple or branched, stout and succulent: pubescence ap- 

 pressed, minute: leaflets pubescent both sides, oblanceolate. 12 

 lines long, obtuse but with a small recurved mucronation: the petioles 

 13 times longer; racemes loose, distinctly verticillate; bracts most- 

 ly exceeding the calyx: upper lip of the calyx deeply cleft, the lower 

 entire; petals barely exceeding the calyx. 2 lines long, the upper one 

 entire: petals 3 6 lines lonur, deep blue, keel villous in the middle: 

 pods fleshy, an inch long. In open places, Willamette Valley to Marin 

 County, California. 



L,. micranthus Dougl. Bot. Reg. xv, t, 1251. Stems slender, branch- 

 ing from the base, 68 inches long, pilose-pubescent, not at all succu- 

 lent: leaflets 5 7, narrowly linear to linear-spa tulate. 6 18 lines long, 

 on petioles twice longer: racemes peduncled; flowers more or less dis- 

 tinctly verticillate; bracts shorter than the calyx; pedicles 13 lines 

 long: upper lip of the calyx with divergent lobes, lower lip longer, 

 entire; petals barely exceeding the calyx. 2 lines long, the upper one 

 short, orbicmar, mucronulate, blue with white dots in the centre, lateral 

 ones narrow, appressed, dark blue, keel wooly-ciliate toward the apex: 

 pods an inch long, 3 4 lines broad, appressed-pubescent, 5 7-seeded: 

 seeds grayish with a dark diagonal line near the hilum. In open places 

 along streams, Washington to California. 



L. bicolor Lindl. Bot. tieg. xiii. 1. 1109. Stems stoutish. 610 inches 

 high, erect, diffusely branched, sometimes simple, silky-pilose: stipules 

 linear-lanceolate: leaflets 5 8, unequal, narrowl.v oblanceolate. obtuse 

 or acutish. G 10 lines long, appressed-silky both sides, the petioles 

 3 4 times longer: racemes long-peduncled ; bracts setaceous, shorter 

 than the calyx, deciduous: flowers in 24 verticils, on stout pedicels 

 a line or more long: upper lip of the calyx deeply cleft, the tower a 

 little longer and slightly 3-cleft; petals 34 lines long, the upper one 

 orbicular, blue with a white dotted with blue stripe down the center, 

 lateral ones broadly obovate, dark blue, keel ciliate: pods an inch long 

 by :\ lines broad, densely appressed-silky. 46 seeded: seeds light 

 brown. In open places, Washington to California. 



L,. trifidus Torr. in Watson Proc. Am. Acad. viii. 535. Stems slender, 

 6 10 inches high, branched from the base, pubescent throughout with 

 rather coarse more or less spreading whitish hairs: stipules linear- 

 lanceolate, adnate for half their length: leaflets 58. unequal, linear- 

 oblanceolate. obtuse, not half as long as the petioles: bracts deciduous, 

 linear-lanceolate. 2 3 lines long; upper lip of the calyx deeply cleft, 

 the segments divergent, lower lip a little longer, trifld:* flowers verti- 

 cillate, on pedicels a line long: petals nearly 3 lines long, the upper 

 one orbicular, blue and white, the lateral ones dark blue, keel ciliate 

 above the middle. On dry hillsides, southern Oregon to California. 



