40 LEGUMINOSA. 
Leaves simple, entire, cordate: flowers rose-purple in axillary clusters......... 2 oes LS 
§ 2. Stamens all united or one above distinct: herbs (except some in 3 & 7). 
* Leaves palmate with more than 8 leaflets: flowers in heads or racemes. 
Leaflets entire. Spikes or racemes terminal: anthers of 2 kinds............- tia ister 3 
Yellow flowers 1 to 5 with a bract.......-....+..2- .. Sp. No. 10in 7 
Purplish flowers: stipules not adnate, deciduous.............. 002005 8 
Leaflets toothed or entire: stipules adnate: anthers alike...... wersineeee seaiosersioress §lin4 
** Leaves $-foliolate, palmate or pinnate, 
Leaves palmate: flowers in heads or short spikes: corolla persistent.........20+secees 4 
Leaves pinnate: flowers in axillary spikes or racemes. 
Corolla yellow or white: pod wrinkled: leaves fragrant......... ieaeees apensoteas 5 
Corolla purple or greenish: leaflets entire: stipules free..........e.ee seen eee eee 8 
Corolla yellow or purple: leaflets toothed: pod curved or coiled........... worse O 
Leaves pinnate. Flowers in small axillary clusters, yellow: pod spiral, prickly....... 6 
Flowers solitary or in wheel-like clusters, axillary................. 4 
*** Leaves pinnately 4-many-foliolate with a terminal leaflet. 
Flowers solitary or in umbellate whorls, axillary.............. else rein anes le saya 7 
Flowers in axillary spikes: pod prickly: leaves sticky....-...-....-2.eeeeeeeeeeeees 10 
Flowers in axillary spikes or heads: pod often inflated, often 2-celled................ 11 
“** * Leaves pinnate, ending in a bristle, imperfect leaflet or a tendril. 
Styleifiliform;, hatry around: the:apex: jcovaweedslcs es pease eses sed ees so 6e0s5 oe eeauee% 12 
Style flattened, usually twisted half around, one side hairy...........0+eseeeeeeeeee 13 
1. THERMOPSIS, Robt. Brown. 
Californica, Watson. Short-woolly: pod 6-8-ovuled, stipe short. 
. T. montana, Nutt. Rather silky: leaflets smooth above: pod 10-12- seeded 
3. T. macrophylla, H. & A. Villous: leaves oblong-elliptical acute: seeds 4 or 5. 
8 
2. PICKERINGIA, Nuttall. 
1. P. montana, Nutt. Leaves 1-3-foliolate, numerous: stamens persistent. 
3. LUPINUS, Linnzus, 
A. Perennials, more or lesa shrubby, leafy, silky: ovules 6 to 12.............. 1, 2, 8, 4 
B. Perennial herbs, mostly tall; flowers large; bracts deciduous: ovules 6 or more. 
Woody at base: silky: calyx-lips nearly equal................ sWawEN wa ecdewe: Dy Dy 
Stems mostly stout and hollow: leaflets glabrous above........ sccccccesccesseces Oy & 
Stems slender, not erect: leaflets an inch long or less........ Se rr cr ne A 
Stems leafy and branching: petioles and bracts short............ ssececeecsee 8, 9, 10 
C, Perennial herbs: flowers small: (Ex. No. 18): not yellow: ovules $ to 6. 
Leaves distant, not glabrous above; lower petioles long: keel ciliate........... 11 to 16 
