12(3 LEGUMINOSJS. litpinos. 



lower one'subentire: petals equal. 5—7 lines long, blue, violet or whit- 

 ish, the upper one acute, naked, keel strongly falcate, naked: ovules 

 5—7: pods 1—2 inches long, 4— 5 lines wide, 3—6 seeded. From the Co- 

 lumbia to the Sacramento Valley. 



L. ornatus Dougl. Bot. Reg. xiv, t, 1216. Stems decumbent or as- 

 cending: pubescence short, more or less silky, mostly appressed: 

 stipules setaceous: leaflets 5—7, oblanceolate or cuneate-oblong, 8—24 

 lines long, acute or acutish: racemes 3—8 inches long, usually short- 

 peduncled: bracts short, subulate or ovate; pedicles 2—3 lines long: 

 <-alyx-lips nearly equal, the upper rather shortly toothed or bifid, the 

 lower subentire: petals blue, equal, 5—7 lines long, the upper one 

 acutish, subsilky on the back: keel ciliate: ovules 5 — 8. pods 15 lines 

 long, 3—4 lines broad. From the Columbia river to California. 



■*--*-+--«-+- Leaves distant lower petioles elongated; leaflets 

 not smooth above: racemes mostly dense. 



L. sulphureus Dougl. _^ook. Fl. i, 166. Stems erect slender, sul- 

 fate, silky: leaflets 13 — 15, narrowly lanceolate, densely sericeous on 

 both sides, shorter than the petiole, whitish: stipules subulate, short: 

 Mowers somewhat verticillate, in a dense thick raceme: calyx ebrac- 

 teolate, very silky: flowers small, pale sulphur-color, keel glabrous. 

 On the Blue Mountains of Oregon. 



L. sericeus Pursh Fl. 468. Rather stout, suberect, 1—2 feet high: 

 pubescence more or less coarsely villous or subsilky, spreading: stipules 

 usually long-setaceous: leaflets 5—8, rarely 10, narrowly oblanceolate, 

 1—3 inches long, acute; racemes short-peduncled; bracts deciduous, sub- 

 ulate-setaceous often much exceeaing the calyx; flowers subverticillate 

 or scattered, on short pedicels blue, pink or white: calyx strongly 

 gibbous, minutely bracteolate. densely silky-villous. the "lips nearly 

 equal, «» lines long, keel ciliate: ovules 4—6: pods densely hairy, ail 

 inch long. Common from Washington to northern California' and 

 Nevada. 



L. saxosras Howell Eryth. i. 110. Stems simple, decumbent or as- 

 cending, I -10 inches long, soft-pubescent with spreading hairs: stipules 

 subulate: leaflets 8—12, densely appressed-silky beneath, sparsely so 

 above, <: 12 linos long, acute or obtusish: racemes dense. 2—3 inches 

 long, Short-peduncled: bracts lanceolate, acuminate, caducous: flow- 

 ers subverticillate, on short slender pedicels: upper lip of the calyx 

 bifid, the lower a little longer, trifid: petals equal. 6 lines lone", bright 

 blue, the upper one obtuse, smooth, keel ciliate: ovules 4—5: pods 

 villous. On high stony ridges in the John Day Valley, eastern Oregon, 

 and the Klickiiai hills. Washington. 



L. leucophyllus Dougl. Bot. Reg. xiii. t. 1124. Stout. 2—3 feet high, 

 branching, leafy, densely white-silky throughout: stipules long-setace- 

 ous or subulate: leaflets 7< l<». oblanceolate or cuneate-oblong, 1—3 

 inches long, acute, the petioles about equalling the leaflets or the lower 

 ones twice longer: racemes sessile, or nearly so. very dense <;— 12 

 inches long: bracts subulate or linear, subpersistent or deciduous 

 longer than iue buds: dowers scattered or subverticillate nearly 

 sessile: calyx minutely bractoolalo. upper lip rather broad, more or 

 less villous, keel ciliate. On damp hillsides, Brit. Columbia to Califor- 

 Dla and i\ew .Mexico. Flowering from Mav until heavy frosts in au- 

 tumn. 



L. canescens lb. well. 1. c. Rather stout, strict. 2 3 feet high, at 



length branching, silky-canescenl or the inflorescence hirsute- leaflets 



8 12, lanceolate, acuminate. 1 3 inches Ion-, densely approssed-villous 

 OD both Sides: racemes short-peduncled. dense, 8—10 inches lon<" 



