124 LEGUMINOS^. lupinps. 



northern Washington to the Aleutian Islands. 



L. polyphyllus Lindl. Bot. Reg. xiii, t, 1090. Stems stout erect, 

 2— (i feet high, sparingly villous: the bracts calyx and youngest leaves 

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

 pel ioled: leaflets 10—10, in the upper leaves often but 8—10, glabrous 

 above, 2— (5 inches long by 0—12 lines broad: racemes often 1—2 feet 

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

 flowers mostly scattered, blue, purple or white: pedicels 3—0 lines 

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

 petals equal, 0—7 lines long, keel naked: ovules 8—10: 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 8—12, oblong to oblanceolate, 1—3 inches 

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

 racemes 4— 10 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, 0—7 lines long, keel naked: ovules 7—8. Flathead 

 river (Wye.-0 Clearwater, Idaho (Spalding). 



L. longipes Greene PI. 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 

 12 — 18 inches long; stipules setaceous-subulate: leaflets 7—11, broad- 

 ly lanceolate, acute, setaceously mucronulate, 2—4 inches long, glab- 

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

 gated, not dense: flowers subverticillate, long-pedicelled, 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. 2—4 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 3—12 lines broad, obtuse, with a slender 

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

 cent witli minute appressed hairs beneath: racemes 4—12 inches long, 

 short peduncled; flowers subverticillate or scattered, pale blue or 

 pinkish; bracts selaceous. about equalling the calyx, caducous: pedi- 

 cels slender, 4— o lines long: calyx appressed-pube scent, upper lip 

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

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

 pnbescenl with brownish hairs, 7— 8-OVllled: seeds light-colored, very 

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

 west of I he Cascade Mountains. 



L. Burkei Watson Pl'OC. Am. Acad. viii. 525. Stems 2 :i 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. 

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

 but i 2 lines long: (lowers bine: bracts villous, somewhat persistent: 

 pubescence of the calyx somewhat villous, spreading: pods 8-seeded. 

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

 Idaho and Nevada. 



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

 Rtoul and somewhat fistulous, 2—4 feel high, glabrous, a little glaucous: 

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



