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LUPINUS LEGUMINOSE. 129 
one deeply bifid, the lower one shortly and equally toothed; petala 
blue , equal, 3—4 lines long, the upper one orbicular. Alpine, on the Sis- 
kiyou and Sierra Nevada Mountains. 
Be Lyallii Gray |. ¢. Canescent with dense appressed villous pubes- 
cence: stems leafy, 2—6 inches long, from a spreading woody caudex: 
leaflets 5—7, obovate, 3—4 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—G6 lines 
long. Common on the highest points of the Cascade and Sierra Ne- 
vada Mountains from Washington to California. 
** * * Wrect annuals: leaflets mostly 5—7: upper lip of the 
ealyx 2-parted or bifid: keel mostly ciliate. 
L. carnosulus Greene Bull. Cal. Acad. ii, 144. Erect annual, 1—2 
feet high, simple or branched, steut and succulent: pubescence ap- 
pressed, minute; leaflets pubescent both sides, oblanceolate, 6—12 
lines long, obtuse but with a ‘small recuryed mucronation: the petioles 
1—3 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 long, 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, G—S inches long, pilose- -pubescent, not at all suceu- 
lent: leaflets 5—7, narrowly linear to linear-spatulate, 6—18 lines long, 
on petioles twice,longer: racemes peduneled; flowers more or less dis- 
tinetly verticillate; bracts shorter than the calyx; pedicles 1—3 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 
ohes narrow , appressed, dark blue, keel wooly-ciliate toward theapex: 
pods an inch long, 5—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. 
EL. bicolor Lindl: Kot. reg. xiii, t, 1199, Stems stoutish, 6—10 inches 
high, erect, diffusely branched, sometimes simple, silky-pilose: stipules 
linear-lanceolate: leaflets 5—8, unequal, narrowly oblanceolate, obtuse 
or acutish, 6—10 lines long, appressed-silky both sides, the petioles 
53—4 times longer: racemes long-peduncled ; bracts setaceous, shorter 
than the calyx, deciduous; flowers in 2—4 yerticils, on stout pedicels 
a line or more long; upper lip of the calyx deeply cleft, the lower a 
little longer and slightly 3-cleft; petals 3—4 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 3 lines broad, densely appressed-silky, 4—6 seeded: seeds light 
brown. In open places, Washington to California. 
L. trifidus Torr. in Watson Prec. 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 5—8, unequal, linear- 
oblanceolate, obtuse, not half as long as the petioles: bracts deciduous, 
linear-lnnceolate, 2—3 lines long; upper lip of the calyx deeply cleft, 
the segments divergent, lower lip a little longer, trifid: 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. 
