J24 LEGUMINOS. 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 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. Wyethii Watson Proc. Am. Acad. 525. Stems ascending, stout, 
6—-. inches high, sparingly leafy: pubescence villous, spreading: 
stipules setaceous: leaflets S—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, 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 
12—18 inches long; stipules setaceous-subulate: leaflets T—11, broad- 
ly lanceolate, acute, setaceously mucronulate, 2—4 inches long, glab- 
rous, the margin often more or less ciliate: raceme peduneled, 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: leafiets T—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 line 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 scattered, pale blue or 
pinkish; bracts setaceous, about equalling the calyx, caducous; pedi- 
cels slender, 4—6 lines long; calyx appressed-pubescent, 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, 7T—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 2—8 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 1—2 lines long: flowers blue: bracts villous, somewhat persistent: 
pubescence of the calyx somewhat villous, spreading: pods &-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, 2—4 feet high, glabrous, a little glaucous: 
other parts of the plant except the upper surface of the leaves more or 
