40 legumixoSjB. 



Leaves simple, entire, cordate: flowers rose-purple in axillary clusters ^ ... 14 



§ 2. Stamens all united or one a,bove distinct: herbs (except some in 3 & 7). 

 * Leaves palmate with more than 3 leaflets: flowers in heads or racemes. 



Leaflets entire. Spikes or racemes terminal: anthers of 2 kinds 3 



Yellow flowers 1 to 5 with a bract Sp. No. 10 in -7 



Purplish flowers: stipules not adnate, deciduous 8 



Leaflets toothed or entire: stipules adnate: anthers alike § 1 in 4 



* • Leaves 3-foliolate, palmaie or pinnate. 



Leaves palmate; flowers in heads or short spikes: corolla persistent 4 



Leaves pinnate: flowers in axillary spikes or racemes. 



Corolla yellow or white: pod wrinkled: leaves fragrant 5 



Corolla purple or greenish: leaflets entire: stipules free 8 



Corolla yellow or purple : leaflets toothed : pod curved or coiled 6 



Leaves pinnate. Flowers in small axillary clusters, yellow: pod spiral, prickly 6 



Flowers solitary or in wheel-like clusters, axillary 7 



* * * Leaves pinnately 4-many-foliolate imth a terminal leaflet. 



Flowers solitary or in umbellate whorls, axillary 7 



Flowers in axillary spikes: pod prickly: leaves sticky 10 



Flowers in axillary spikes or heads: pod often inflated, often 2-celled 11 



« • ♦ ♦ Leaves pinnate, ending in a bristle, irnperfect leaflet or a tendril. 



Style filiform, hairy around the apex 12 



Style flattened, usually twisted half around, one side hairy 13 



1. THERMOPSIS, Eobt. Brown. 



1. T. Californica, Watson. Short-woolly: pod 6-8-ovTiled, stipe short. 



2. T. montana, Nutt. Kather silky: leaflets smooth above: pod 10-12- seeded 



3. T. macrophylla, H. & A. Villous: leaves oblong-elliptical acute: seeds 4 or 5. 



2. PICKEBINGLa., Nuttall. 

 1. P. montans, Nutt. Leaves 1-3-foliolate, numerous: stamens persistent. 



3. LUPINTJS, LinnsEUS. 



A. Perennials, more or less shrubby, leafy, silky: ovules G to 12 1, 2, 3, 4 



B. Perennial herbs, mostly tall; flowers large; bracts deciduous: ovules 6 or more. 



Woody at base: silky: calyx-lips nearly equal 1, 2, 3 



Stems mostly stout and hollow: leaflets glabrous above 5, 6 



Stems slender, not erect: leaflets an inch long or less 7 



Stems loafy and branching: petioles and bracts short 8, 9, 10 



C. Perennial herbs: flowers small: (Ex. No. 13): not yellow: ovules 3 to 6. 



Leaves distant, not glabrous above; lower petioles long: keel ciliate 11 to 16 



