lupinus. 



LEGUMINOB^:. 525 



-.- -.- Leaflets pubescent both sides, 

 less hirsute: stipules au inch long,aanate for something less than half 

 their length, the elongated-linear acuminate free part strongly villous- 

 hirsute: petioles 3—5 inches long; leaflets about 9, oblanceolate, acute, 

 1—2 inches long: racemes short-peduucled, 0—10 inches long; bracts 

 villous-ciliate: flowers rather distinctly verticillate, nearly 6 lines long; 

 keel densely ciliate in the middle: ovary very villous. <jn Crooked 

 Creek, southern Oregon. 



1. littoralis i>ougl. Bot. Reg. xiv, t. 1198. Stems slender, decum- 

 bent or ascending, 1—2 feet long often not succulent, leafy: pubescence 

 silky, rather thm: stipules linear; leaflets 5—8, oblanceolate or cun- 

 eate-oblong, 6—12 lines long, the petioles sometimes twice longer: 

 racemes short; bracts setaceous, exceeding the calyx: flowers blue or 

 violet, verticillate or scattered on pedicels 2—3 lines long: calyx 

 large wuh small bractlets, upper lip 2-to6thed; petals equal, 6 lines 

 long; keel ciliate: ovules and seeds 10—12: pods narrow, 15 lines 

 long. On sand, dunes along the coast, Washington to California. 



^- ^- ^- Rather sparingly leafy, the lower petioles at least twice 

 as long as the leaflets: racemes loose; bracts mostly deciduous; 

 flowers large, not yellow: ovules 6—7, rarely fewer: leaflets glab- 

 rous above. 



L. arcticus Vv'atson 1. c. 526. ''Villous or subglabrous: stems rather 

 stout, one foot high or less, erect or ascending, simple: stipules con- 

 spicuous, acuminate: leaflets 6—8, cuneate-obloug or oblanceolate, 

 1 — 2 inches long, acute or obtuse, the petioles much elongated: 

 racemes 2 — i inches long; bracts linear about equalling the calyx, de- 

 ciduous or subpersistent: flowers subverticillate or scattered, on slender 

 pedicels 2 — 8 lines long: bractlets wanting or caducous: calyx-lips 

 short, tlie upper entire or slightly toothed, the lower a little longer; 

 petals 7 — 8 lines long, the upper one shorter: keel naked: ovary 

 slightly "hairy, 5— 7-ovuled. Near the coast, Washington to the Polar 

 Sea." 



L. mucronulatus Howell Eryth. i, 109. Pubescence short ana ap- 

 pressed: stems slender, decumbent, 2—6 inches long, 2—3 leaved: 

 stipules subulate; leaflets 6—10, obovate to oblanceolate, obtuse or 

 acutish, mucronulate, 1 — 2 inches long, sparingly pubescent on both 

 sides or glabrous above: peduncles equalling the leaves: racemes 

 2—3 inches long, rather dense; bracts setaceous; flowers subverti- 

 cillate, purple or ochroleucous; upper lip of the calyx acute, entire, 

 the lower longer, narrow, subentire: petals 4—5 lines long, equal, keel 

 ciliate above the middle. On dry l)ijlsides, eastern base of the Coast 

 Mountains in Josephine County, Oregon. 



.*- -1- -<- -1- Leafy and branching: the petioles not longer than the 

 leaflets : flowers large : subverticillate: bracts deciduous: ovules 6-8. 



L. Sabinii Dougl. Hook. PI. i, 166. Stems erect, 2 feet high: pubes- 

 cence short, appressed, silky:, stipules long, setaceous; leaflets 8 — 11 

 oblanceolate, 12—18 lines long, acute, silky both sides, racemes 6—10 

 inches long, rather dense and long-peduncled: bracts linear-setaceous; 

 pedicels S-^ lines long; calyx minutely bracteolate, upper lip shortly 

 toothed, the lower longer and entire; petals yellow, equal, 7—8 lines 

 long, the upper one emarglnate, naked, keel ciliate: ovules 7. In the 

 Blue Mountains of Oregon. 



L. albicaulis Dougl. 1. c. 165. Pubescence short, more or less villous 

 and spreading or appresssed: cespitose; stems slender, erect, 1—3 feet 

 high, branched, whitish: stipules linear-setaceous: racemes 4 — 12 

 inches long, short-peduncled; bracts subulate; pedicels 2—3 lines long: 

 calyx large, n-- lips nearly equal; upper one narrow, shortly 2-toothed, 



