LEGUMINOS^. (rULSK FAMILY.) 12;") 



Tribe VI. PHASEOI^E^. Twininp or sometimes only trailing plants (herbs In tem- 

 |>erate repioiis). willi piiinalely 3- (rarely 1- or 5 - 7-) foliolate leavi-s, commonly Blipillatc. 

 Peduncles or flowers axillary ; (he pedicels usually clustered on the thickened nodes of 

 the raceme. Anthers uniform. I'od continuous, not jointed, nor more than l-cclle<l, except 

 by cellular matter sometimes depositeil between the seeds, 2-va'.ved. Cotyledons thick, aud 

 rising above ground lUtle changed in gennination, or sometimes becoming foliuceous. 

 • Leaves pinnate. 



12. Wistnrin. Woody twiner : Icaflfts 9 - 13 Keel barely incurved, obtuse. 



24. Apios. Ikrbaccius twiner : leaflets 5-7. Keel slender and much incurved or colled. 



• • Leaves 3-foliolate Ovules and seeds several. Flowers not yellow. 



25. Pllngeolns. Keel strongly incurved or coiled: standard recurved-spreading. Style 



beaniod lengthwise. 

 2G Ceiitrosema. Calyx short, 5-cleft. Standard with a spur at the base: keel broad, 



merely i[icurved. Style minutely bearded next the stigma 

 27. Clitoi'ia. Calyx tubular, 5-lobed. Standard erect, spurless : keel scythe-shaped. Style 



bearded down the inner face. 

 28 Aniplil<-ur|)iiea. Calyx tubular, 4 - 5-toothed. Standard erect : keel almost straight. 



Style beardless. Some nearly apetalous fertile flowers next the ground. 



29. Gulactin. Calyx 4-clert, the ui>per lobe broadest and entire. Style beardless. Bract 



and bractlets minute, mostly deciduous. 

 • * • Leaves 1 - 3-foliolate. Ovules and seeds only one or two. Flowers yellow. 



30. Rliyncliosia. Keel scythe-shaped. Calyx 4 - 5-i)arted. Pod short. 



B. Stiiinens all .«t'paratc. 



Tribe VII. SOPHOnEjE and PODALY[lIE:.aE:. Stamens 10, distinct ; the co- 

 rolla being truly papilionaceous. 



31. Bnplisia. t'al.vx4-5-liil)ed. Pod inflated. Herbs: leaves palmately3-riiliolate or simple. 



32. Cladrasllii. Calyx 5-toothed. Pod very flat. Tree, with pinnate leaves. 



Suborder II. C.ESALPIl^flEiE. Brasiletto Family. 

 Corolla imperfectly or not at all papilionaceous, sometimes nearly regu- 

 lar, imbricated in the bud, the upper or odd petal inside and enclosed 

 by the others. Stamens 10 or fewer, commonly distinct, inserted on the 

 calyx. Seeds anatropous, often with albumen. Embryo straight. 



» Flowers imperfectly papilionaceous, perfect. 



33. Cercls. Calyx camjianulate, 5-toothed. Pod flat, wing-margined. Leaves simple. 



• « Flowers not at all papilionaceous, perfect. 



34. Cassia. Calyx of 5 nearly <listinct sepals. Leaves simply and abruptly pinnate. 



• • » Flower:) not at all papilion.iceous, polygamous or did'cious. 



35. Gymnocladtis. Tree: leaves all doubly pinnate Calyx-tube elongated, at its sum- 



mit bearing 5 |H>tals resembling the calyx-lobes. Stjimens 10. 



36. GIrdilschln. Trees thorny: leaves simply and doubly )iinnate. Calyx-tube short; 



its lobis, petals, and stamens 3-5. 



Suborder III. MH^IOSCiE. Mimosa Family. 



Flower regular. Corolla valvate in a\xtivation, oi\en iniited into a 

 4 - ."j-lobed cup, hypngynous, a.s are the (often very numerous) oxserted 

 stamens. Eml)ryo straight. Leaves twice pinnate. 



37. Ucsiiiniilhiig. Petals distinck. Stamens 5 or 10 Pod smooth. 



38. Schraiikia. Petals united below into a cup. Stamens 8 or 10. Pod covered with 



small prickles or rough projections. 



