Barris. XLVIL LEGUMINOSA. 235 
: 31. LUPINUS. Tourn. 
Lat. lupus, a wolf; because it overruns the field and devours its fertility. (Doubtful.) 
Calyx deeply bilabiate, upper lip 2-cleft, lower entire or 3-toothed ; 
wings united towards the summit; keel acuminate; stamens mona- - 
delphous, the filamentous sheath entire; anthers alternately oblong 
and globose; legume coriaceous and torulose.— Herbs. Lvs. palmate- 
ly 5—15-folrate. 
1. L. PERENNIS. Common Lapine. 
Rt. ereeping, perennial ; /fts. 7—9, oblanceolate, mucronate ; fs. alternate ; 
cal. without appendages, upper lip emarginate, lower entire—2 Grows wild 
abundantly in sandy woods and hills, Lake Champlain to Wis. Lapham! S. to Ga. 
It is a beautiful plant, much cultivated in gardens. It is often called sun-dial, 
trom the circumstance of its leaves turning to face the sun from morning till 
night. Stem erect, soft, smoothish, a foot high. Leaves soft, downy, on long 
stalks. Lifts. 13—2’ by 4—6”, lanceolate, broadest above the middle. Flowers 
blue, varying to white, in a terminal spike or raceme. May, June. ; 
2. L. potypnytuus. Lindl. Many-leaved Lupine —Tall; lfts. 11—15, lanceo- 
late, sericeous beneath; fs. alternate, in a very long raceme; pedicels longer 
than the lanceolate, deciduous bracts ; cal. ebracteolate, both lips subentire ; leg. 
densely hairy.—2, A splendid ornament of the garden, from Oregon. Stem 
3—5f high. Racemes a foot or more long. Flowers scattered (subverticillate 
in 8. grandifolius, Lindl.), white, purple or yellow in different varieties. + 
3. L. Noorxatensis. Donn. Nootka Sound Lupine—St. villous, with long, 
spreading hairs; /fts. oblong-lanceolate, mucronate, attenuate at base, sericeous 
beneath; cal. very hairy, both lips nearly entire; bracts linear, hairy, longer 
than the calyx.—A handsome species, from the N. W. Coast, 2—3f high, in 
gardens. Leaflets about 7. Flowers purple. + 
4. L. arporgus. Tree Lwpine——Fruticose; fis. in whorls; cal. appendaged, 
lips acute, entire-—A handsome exotic shrub, 6f high, with large yellow flowers. + 
Obs.—Several annual species are occasionally sown in gardens, as L. albus, with white flowers; L. pi- 
losus, with rose-colored flowers ; L. luteus, with yellow flowers, and L. hirsutus, with blue flowers, and 
an appendaged calyx. 
32. LABURNUM. Benth. 
Calyx campanulate, bilabiate; upper lip 2, lower 3-toothed ; vexil- 
lum ovate, erect, as long as the straight wings; filaments diadelphous 
(9 & 1); legume continuous, tapering to the base, several-seeded.— Orz- 
ental thornless shrubs or trees. Lvs. palmately trifoliate. Fils. mostly yellow. 
1. L. vuneire. (Cytisus Laburnum. Linn.) Golden Chain.—Arborescent ; 
ifts. oblong-ovate, acute at base, acuminate ; rac. simple, elongated, pendulous; 
leg. hirsute——A small, ornamental tree, 15f high, from Switzerland. Flowers 
numerous, large, in racemes If long. t 
2. L. aupinum. (Cytisus alpinus. Linn.) Scotch Laburnwm.—Arborescent ; 
ifts. oblong-ovate, rounded at base; vac. long, simple, pendulous; leg. glabrous. 
—A beautiful tree, 30f high, native of various alpine regions of Europe. Like 
the former, it develops numerous, brilliant yellow flowers, in long, drooping clus- 
ters.—There are varieties with ochroleucous, white, and even purple flowers. f 
33. BAPTISIA. Vent. 
Gr. Barrw, to dye; a use to which some species are applied. . 
Calyx 4—5-eleft half-way, persistent ; petals of about equal length, 
somewhat united; vexillum orbicular, emarginate; stamens 10, dis- 
tinct, deciduous: legume inflated, stipitate, many (or by abortion 
few)-seeded.—2 Lvs. palmately 3-foliate, or simple. 
1. B. Tincrorta. R. Br. (Sophora. Linn. Podalyria. Lam.) Wild Indigo. 
Glabrous, branching; vs. palmately 3-foliate, subsessile; Zfts. roundish- 
obovate, acute at base, very obtuse at apex; stip. setaceous, caducous; 7ac. 
