LEGUMINOS/E. (PULSE FAMILY.) 51 



7. Dalea. Slirubliy or lu'iljaceons. with i>iiinnte or i-almatt" leavcB and t«nnin«l spikM or 



heads. Wings and keel inserted on and articulated with the Htuincn tube. Pod 2 to 

 6-oviiled, mostly one-st-etU'd. 



8. Petalosteinon. Herbs, with odd-jtinnut* leaves and tcnnlnal spikes or he»id«. Stamens 



5; tlio ileft tube uf llluinents bearing 4 o( the in-tals on lU Humniit PikI 1 to 



•J-sfid.-d. 



*). Ainorpha. Shrubs, with pinnate leaves and teniiinal nieenios or spikes Winto« Mid 

 keel ol the corolla wanting:. Stamens monadelphous only at kise, otherwise dUtlncL 

 Pod 1 to 2-ovuled, 1 to '-'-seeded. 



h. Shrubs or shrubby : herbage not glandular: leaves pinnate : i>od tlat, •J-vaived: Ktatnena 



diadclphons. 



10. Peteria. Racemes terminal or opposite the leaves. Pod narrow, tnany-Reeded. Leaflets 



not stipcllate. 



11. Robinia. Pod thin, margined on one edge. Leaflets stipellatc. 



c. Herbage glandular or glutinous and more or less i)unct'ite : leaves unctiually pinnat« : 



stamens diadelphous ; anthers confluently one-celled. 



12. Glycyrrhiza. Flowers, etc. of Astragalus. Pod i>ri('kly or muricatc, short, onc- 



C.-llc(l. 



d. Herbage neither glandular nor dotted : stamens diadeljihous ; anthers 2-celled : leaves 



pinnate. 



13. AstragraliLS. Pods mostly bladdery or turgid, or more or less 2-ceIled by Intrusion o( 



tlic <lorsal suture Keel not tipped with a point or sharp appendage. 



14. Oxytropls. Keel tipped witli a point ; otherwise as in Astragnlus. 



++ ++ -H- Ik-rli.s with od(l-]iinnate leaves and no tendril : pod transversely 2 to several-jointed, 

 the reticulated one-seeded .joints indehiscent. 



15. Hecly.^arum. Stamens diadelphous (5 and 1). 



++++++++ Leaves abruptly pinnate, terminated by a tendril or bristle : stamens diadelphous : 

 peduncles axillary : pod 2-valved. 



16. Vicla. Stamen-tube oblique at the summit Style filiform, hairj- around and Indow 



tlic apex. 



17. Lathyrus. Stamen-tube nearly truncate. Style dorsally flattened toward the ai>er, 



hairy on the inner side, usually twisted half round. 



Suborder IT. C.ESAI.PIIVI.B. 



Flower more or less irregular. Perigynous disk lining the tube or 

 base of the calyx. Petals imbricated in tlie bud, tlie one corresponding 

 to the standard within tlie lateral ones. Stamens 10 <»r fewer, distinct. — 

 In ours the corolla is yellow and not at all papilionaceous. 



18. CaHHia* Leaves simjily and abrujitly pinnate. Anthers either 10 and unequal, or some 



of tlic ujtper ones imperfect, abortive, or wanting. 



19. Hoffmansegrsria. Leaves abrujitly or unequally hipinnatc, and <loitod with black 



glands. Stamens 10, with anthers all perfect and lilaments hairy. Ilaceinea opposiU 

 the leaves. 



Suborder HI. ITIl.TIOSE.x:. 



Flowers regular, small, niid numerous in spikes or heads. No disk. 

 Calyx and corolla vnlvate in the bud. Stamens as many or twice aa 

 many as the petals, hypogyuous. Leaves usually twice pinnate. 



20. Schrankla. Petals united below into a cup. Pod covered with sraall pricklf« oi 



rough projections. 



