FABACEAE 



»5 



Spiraea — Spiraea, Meadowsweet, Bridal \\ reath 

 (Or. spiraea adowaweet, perhapa from the tuist'.i poda) 



I. Flowers white, in limple ombela 

 I lowen pink 



a. Flowers in umbels or corymbs 

 I). Flowers in dens'- pan 



I N >terium — Burnet 

 (Or, poterion, a drinking cup, from the form of the 



] 7 19 -.mall leaflets; flowers green to purplish, in heads 



Fabaceae — Pea Family 



S. Van Houtltt 



S. bumdlda 

 S. Dougldsii 



calj k i 



P. sanguisorba 



Herbs or woody pi. mis, with alternate usually compound leaves; sepals 4-5, usually un 



typically 5, and of three different tonus, standard, wings and keel, but in es more or 



similar, stamens 5 many, pistil single, simple, fruit typically a legume, sometimes achene-like; 

 flower apocarpous, apopetalous, hypogynous, irregular. 

 1. Leaves compound 



a. Leaflets digitate or apparently so, 2-15 



(1) Leaflets 1 Latkyrus 



(2) Leaflets more than 3 Lupinus 



(3) Leaflets .5 



Leaflets toothed 



x. Flowers in slender racemes Melilotus 



y. Flowers in spikes or heads 



(x) Flowers blue or yellow Mcdicago 



(y) Flowers red or white Trijolium 



(b) Leaflets entire 



x. Fruit a legume ; mostly climbers 



(x) Calyx 5 toothed ; cultivated Phaseolus 



(y) Calyx 4-toothed ; native Falcala 



y. Fruit a loment or achene; erect herbs 



(x) Fruit a 1 -seeded achene Lesf 



(y) Fruit a loment with 2-severaI seeds Destnodium 



b. Leaflets pinnate, 4 many, or when fewer, tendril-bearing 



(1) Climbers or twiners, usually with tendrils 



(a) Leaves odd-pinnate; flowers brown-purple Apios 



(b) Leaves even-pinnate, tendril-bearing as a rule 



\. Style bearded down one face F.alhyrus 



y. Style bearded at tip only Vicia 



(2) Lreet herbs; tendrils mere remnants when presi 



(a) Leaflets 4; flowers yellow; cultivated Arachis 



(b) Leaflets 5 or more 



x. Leaves sensitive, closing and drooping at touch Mimosa 



y. Leaves not sensitive to touch 

 (x) Flowers pea like 



m. leaflets 2-14 Vicia 



n. Leaflets 15-21 Coromlla 



(y) Flowers not pea-like 



m. Flowers tiny, 4-b mm. wide, in dense clusti 



(m) Stamens 5 Petaloslemon 



(n) Stamens 10 Dalea 



n. Flowers 2-3 cm. wide, yellow, single Cassia 



2. Leaves simple; flowers yellow; shrubby Genista 



Lupinus — Lupine 



(I. at. lupus, wolf) 

 Leaflets 13-15, lanceolate; flowers blue to white 



L. polyphyllus 



