124 LEGUMINOSJE. LUPINUS. 



northern Washington to the Aleutian Islands. 



L. polyphyllus Lindl. Bot. Reg. xiii, t, 1096. Stems stout erect, 

 2 6 feet high, sparingly villous: the bracts calyx and youngest leaves 

 silky-pubescent: stipules triangular to subulate: leaves distant, long- 

 petioled; leaflets 1016, in the upper leaves often but 810, glabrous 

 above, 26 inches long by 612 lines broad: racemes often 12 feet 

 long; bracts oblong-lanceolate, equalling or shorter than the calyx: 

 flowers mostly scattered, blue, purple or white: pedicels 36 lines 

 long: lips of the calyx subsequal, entire; bractlets very caducous : 

 petals equal, 67 lines long, keel naked: ovules 810: pods an inch 

 long or more. Common from Brit. Columbia to California, west of the 

 the Cascade Mountains. 



L. Wyethii Watson Proc. Am. Acad. 525. Stems ascending, stout, 

 6 inches high, sparingly leafy: pubescence villous, spreading: 

 stipules setaceous: leaflets 812, oblong to oblanceolate, 13 inches 

 long, acute, glabrous above; the lower petioles much elongated: 

 racemes 410 inches long, often long-peduncled: bracts subulate-set- 

 aceous, exceeding the calyx: flowers blue or pink, scattered or sub- 

 verticillate: pedicels slender, 3 4 lines long: calyx villous, with short 

 setaceous bractlets, upper lip 2-toothed, the lower one longer, suben- 

 tire: petals equal, 6 7 lines long, keel naked: ovules 7 8. Flathead 

 river (Wye^) Clearwater, Idaho (Spalding). 



L. longipes Greene Fl. Francis. 41. Stems more or less clustered, 

 erect, stoutish, not at all succulent, sparingly branched above. 2 4 feet 

 high, striate, glabrous or loosely hairy: leaves mostly basal, on petioles 

 1218 inches long; stipules setaceous-subulate: leaflets 711. broad- 

 ly lanceolate, acute, setaceously mucronulate. 24 inches long, glab- 

 rous, the margin often more or less ciliate: raceme peduncled, elon- 

 gated, not dense: flowers subverticillate, lonjaKpedicellcd. blue to white, 

 keel ciliate in the middle: pod an inch long or more, densely hirsute, 

 about 7-seeded: seeds compressed, oval, brown with a dark diagonal 

 line. Along streams and in wet meadows, from the Columbia river 

 to California. 



L. latifolius Agh. Syn. Lup. 18. Stems erect, 24 feet high, smooth, 

 with numerous slender branches, flowering throughout the season: 

 stipules small, linear-lanceolate: leaflets 7 0, light or yellowish green. 

 oblanceolate or spatulate. narrowed below, mostly shorter than the 

 petioles, 1 4 inches long by 312 lines broad, obtuse, with a slender 

 mucro a line long at the apex, smooth above, rather sparsely pubes- 

 cent with minute appressed hairs beneath: racemes 4 12 inches lou.ir. 

 short peduncled; flowers subverticillate or scattered, pale blue or 

 pinkish; bracts setaceous, about equalling The calyx, caducous; pedi- 

 cels slender, 46 lines long; calyx appressed-pubeseent, upper lip 

 ovate-lanceolate, 2-toothed. shorter than the linear entire lower one: 

 petals 6 lines long, light blue and white, the keel naked: ovary densely 

 pubescent with brownish hairs, 7 8-ovuled: seeds light-colored, very 

 smooth. In open places and among shrubs, Washington to California, 

 west of the Cascade Mountains. 



L. Burkei Watson Proc. Am. Acad. viii. 525. Stems 23 feet high, 

 nearly glabrous: stipules lanceolate: lower leaves long-petioled: leaf- 

 lets 7 10, 1 5 inches long, oblanceolate. acute or the lower ones obtuse. 

 idabrous above: racemes short and dense, with the pedicels mostly 

 but 1 2 lines long: flowers blue: bracts villous. somewhat persistent: 

 pubescence of the calyx somewhat villous. spreading: pods S-seeded. 

 From Mount Adams, Washington, to the falls of the Yellowstone. 

 Idaho and Nevada. 



L. ligulatus Greene Pitt, i, 215. Stems clustered, simple, erect, 

 stout and somewhat fistulous, 24 feet high, glabrous, a little glaucous: 

 other parts of the plant except the upper surface of the leaves more or 



