126 LEGUMfXOS^E. LUPINUS. 



lower one subentire: petals equal, 57 lines long, blue, violet or whit- 

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

 57: pods 12 inches long, 45 lines wide, 36 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 57, oblanceolate or cuneate-oblong, 8 24 

 lines long, acute or acutish: racemes 38 inches long, usually short - 

 peduncled: bracts short, subulate or ovate; pedicles 23 lines long: 

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

 lower subentire; petals blue, equal, 57 lines long, the upper one 

 acutish, subsilky on the back; keel ciliate: ovules 58. pods 15 lines 

 long, 34 lines broad. From the Columbia river to California. 



-- H- -- H- .*- Leaves distant lower petioles elongated; leaflets 

 not smooth above: racemes mostly dense. 



L. sulphurens Dougl. _.ooK. Fl. i, 166. Stems erect slender, sul- 

 cate, silky: leaflets 1315, narrowly lanceolate, densely sericeous on 

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

 flowers 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, 12 feet high: 

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

 usually long-setaceous: leaflets 58, rarely 10, narrowly oblanceolate, 

 13 inches long, acute; racemes short-peduncled; bracts deciduous, sub- 

 ulate-setaceous often much exceeding 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, 6 lines long, keel ciliate: ovules 46: pods densely hairy, an 

 inch long. Common from Washington to northern California and 

 Nevada. 



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

 cending, 410 inches long, soft-pubescent with spreading hairs: stipules 

 subulate: leaflets 812, densely appressed-silky beneath, sparsely so 

 above, 6 12 lines 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 long, bright 

 blue, the upper one obtuse, smooth, keel ciliate: ovules 45: pods 

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

 and the Klickitat hills, Washington. 



L. leucophyllus Dougl. Bot. Reg. xiii, t, 1124. Stout, 23 feet high, 

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

 ous or subulate: leaflets 7- -10. oblanceolate or cuneate-oblong. 13 

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

 ones twice longer: racemes sessile or nearly so, very dense. 6 12 

 inches long: bracts subulate or linear, subpersistent or deciduous, 

 longer than uie buds: flowers scattered or subverticillate, nearly 

 sessile: calyx minutely bracteolate, upper lip rather broad, more or 

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

 nia and i\ew Mexico. Flowering from May until heavy frosts in au- 

 tumn. 



L. canescens Howell, 1. c. Rather stout, strict, 23 feet high, at 

 length branching, silky-canescent or the inflorescence hirsute: leaflets 

 812, lanceolate, acuminate, 13 inches long, densely appressed-villous 

 on both sides: racemes short-peduncled, dense, 810 inches long: 



