LUPINUS. LEGUMINOS. 127 
bracts somewhat persistent, subulate, about equalling the calyx: flow- 
ers subverticillate, on stout pedicels a line long or more: upper lip of 
the calyx bifid, the lower subentire: petals 4 lines long, equal, the 
‘upper one rather broad, pubescent outside, keel cilate. By small 
streams, western base of Buck Mountain, eastern Oregon. ; 
L. lepidus Doug]. Bot. Reg. xiv, t, 1149. Stems slender, 6—24 inches 
high, leafy at base, densely appressed silky: stipules setaceous: leaf- 
lets 7—9, narrowly oblanceolate, 9—18 lines long, acute, petioles much 
elongated: racemes 2—8 inches long, many-flowered: bracts not ex- 
ceeding the calyx, caducous: flowers in near verticils or scattered: 
pedicels 1—2 lines long: upper lip of the calyx 2-toothed or deeply 
cleft, the lower 3-toothed or subentire: petals violet, equal, 5 lines 
long, the keel ciliate: ovules 4—6: pods an inch long. In prairies and 
plains, Puget Sound to the Klamath Lakes. 
+++ ++ + Stems leafy: petioles short: racemes short-pedunc- 
led: bracts deciduous, mostly short: flowers usually small, not yellow: 
ovules 3—5. 
L. flexuosus Lind. in Agh. Syn. Lup. 34. Stems ascending or decum- 
bent, 18 inches high, branching pubescence short, silky, appressed, or 
subvillous on the leaves: stipules linear-setaceous: leaflets 6—8, ob- 
lanceolate, 12—18 lines long, acute, silky on both sides: racemes 3—6 
inches long or more; bracts lanceolate-setaceous, equalling or much 
exceeding the calyx; flowers subverticillate, on pedicels 2—3 lines 
long: lips of the calyx nearly equal, the upper slightly toothed, the 
lower subentire; bra¢tlets short, setaceous; petals blue or flesh-color, 
equal, 5 lines long, the upper one very hairy, keel strongly ciliate: 
ovules 4—5; pods an inch long. Columbia valley to the Rocky Moun- 
tains. 
L. parviflorus Nutt. H. & A. Bot. Beech. 338. Stems strict, usually 
solitary, slender, erect 2—3 feet high, at length branching: pubescence 
scanty, short, appressed, the calyx and pedicels silky: stipules setace- 
ous: leaves rather distant; leaflets 5—11, oblanceolate to obovate, 
1—2 inches long, acute or obtuse, mucronulate, glabrous above, the 
lower ones shorter than the petioles: racemes 6—12 inches long, slen- 
der; bracts linear-subulate, equalling the calyx; flowers subverticillate 
or seattered, the slender pedicels 1—2 lines long: lips of the calyx 
nearly equal, the upper bifid: petals light blue, equal, 3—4 lines long, 
keel ciliate or naked: pods 9—10 lines long, 2—4 seeded, pubescent. 
In the mountains, from the Columbia river to northern Utah and the 
Yosemite Valley, California. 
L. laxiflorus Dougl. Bot. Reg. xiv, t. 1140. Stems cespitose, erect or as- 
cending, 1—2 feet high, slender, at length much branched: pubescence 
minute, silky, appressed: stipules setaceous, mostly very small: leaf- 
lets 6—8, narrowly oblanceolate, canaliculate, arcuate, 1—2 inches long, 
acute, appressed-silky both sides or nearly smooth above, at least half 
as long as the petioles, racemes rather loose, 3—6 inches long: bracts: 
subulate, deciduous: flowers subverticillate or scattered, on slender 
‘peuicels 2—4 lines long; calyx narrowed and more or less spurred at - 
base, minutely bracteolate, the upper lip broad, shortly 2-toothed, lower 
one a little longer, almost oblong or broadly lanceolate, subentire; pet- 
als blue to white or yellowish, 3—5 lines long, equal, the upper one sub- 
pubescent, keel villous ciliate in the middle; ovules 4—5; pods silky- 
pubescent. Common from Vancouver Island to northern California 
Utah and Montana. f 
Var. montanus Howeii Hryth. iii, 33. Leaflets silky both sides 
rather shorter than the type: calyx dense-silky, prominently spurred, 
the upper lip more distinctly toothed. On Mount Hood, near the line 
of perpetual snow. 
