124 



LEGUMINOS^. LLPiNus. 



nortlieru Washington to the Aleutian Islands. 



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

 2-6 feet higU, spai-ingly villous: the bracts calyx and youngest leaves 

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

 petloled; leaflets 10-16, in the upper leaves often but 8-10, glabrous 

 above, 2-6 inches long by 6-12. 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—6 lines 

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

 petals equal, 6-7 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. WyetMi AVatson Proc. Am. Acad. 525. Stems ascending, stout, 

 6— _. inches high, spqjnngly 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 snb- 

 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). 



Iz. 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 

 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-pedieelled. 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. 



t. latifolius Agh. Syji. Lup. 18. Stems erect, 2--4 feet high, smooth, 

 with numerous slander branches, floycering throughout the season: 

 stipules small, linear-lanceolate: leaflets 7—9, 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 

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

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

 .short peduncled; flowers subverticillate or scattei'ed, pale blue or 

 pinltish; bracts setaceous, about equalling the calyx, caducous; pedi- 

 cels slender, 4—6 lines Ions; calyx appressed-pubescent, upper lip 

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

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

 pubescent witli Ijrownish liairs, 7— 8-ovuled: seeds light-colored, very 

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

 west of the Cascade Mountains. 



li. Burkei AVatson Troc. Am. Acad, viii, .525. Stems 2—3 feet high. 

 Dearly 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 1—2 lines long: flowers blue: bracts villous, somewhat persistent: 

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

 Frorii Mount Ariams, Washington, to the falls of the Yellowstone. 

 Idaho and Xevr.dn. 



I-. lignlatus Greene Pitt, i, 21o. Stems clustered, simple, erect, 

 stout and somewhat fistulous. 2—4 feet high, glabrous, a little glaucous; 

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



