210 LKGUMINOSJS. (PULSB FAMILY.) 



* * Pod coriaceous or membranous, 2-valved, transversely partitioned, o»~ovuled. 



27, INDIGOFERA. Leaves pinnate or digitate, or simple. Flowers in axillary racemet, 



* * * Pod linear or terete, coriaceous, 2-valved, 2- co-seeded, not partitioned, 



28. GALEGA. Pod nearly terete, striate lengthwise. Seeds transversely oblong.. 



29. TEPHROSIA. Pod flattened, linear or ovate. Seeds flattened. 



* * * * Pod large, inflated, chartaceovs, indehiscent, or Evolved at tip, 



30. COLUTEA. Shrubs, with showy, yellow flowers, and pinnate leaves. 



***** P0fl more or less divided lengthwise by infolding of sutures. 



31, ASTRAGALUS. Pod more or less inflated, linear, oblong, ovate, triangular, or globular. 



32, BISERRULA. Sutures in middle of face of smuate-dentate, flattened pod. 



****** Pod not divided lengthwise, oblong or linear. Shrubs with sweet roots. 



33. GLYCYRRHIZA, Flowers blue or violet. Keel of 2 petals. Pods indehiscent or near- 

 ly so. 



34, GLYCVRRHIZOPSIS. Flowers yellow. Keel united. Pods dehiscent. 



Tribe VI COKONILiIiE-^. Stamens- diadelphous, the alternate filaments or all 

 dilated at apei, anthers alike. Wings not plicate. Pod terete, rarely compressed, divided 

 into 1-seeded, closed, indehiscent joints, generally separating at maturity — Herbs orsmall 

 shrubs, with pinnate, rarely simple leaves. 

 35 SCOfiPIURUS. Leaves simple. Pods scorpioid, longitudinally grooved and ribbed. 



36. HAMMATOLOBIUM, Leaves 5-lobed, digitate. Pod necklace-form. 



37. ORNITHOPUS. Leaves pinnate. Pods necklace-form, 



38. CORONILLA. Leaves pinnate. Pod cylindrical, 4-angled. Joints oblong. 



39. HIPPOCREPIS, Leaves pinnate. Pod separating into horse-shoe-shaped joints. 



Tribe VII HFDYSARE^. Stamens diadelphous or monadelphous, the stamen 

 rorresnondine to the standard, free at base, often connate at the middle with the others j fila- 

 itipnts generally filiform to apex ; anthers alike. Wings short, rarely equalling keel. Pod 

 ffenerallvflattened, rarely terete, jointed, joints 1-2-seeded — Herbs or shrubs with pinnate 

 or rarely simple leaves, entire leaflets, and axillary, racemed, or spiked peduncles, 



40. HEDYS ARUM. Both sutures of pod crenate ; joints at maturity 2-oo , 



41. ONOBRYCHIS, Pod not jointed, orbicular or circinnate, pitted, margin crested. 



42. ALHAGI. Pod irregularly constricted, moniliform, not jointed. 



Tribe VIII. VICIK-iE. Stamens diadelphous, anthers versatile. Pod not jointed, 

 2-valved. Cotyledons thick, not changed in vegetation, remaining under the ground. Low 

 or climbing herbs, leaves abruptly pinnate, rarely odd-pinnate, or leaf-like petioles, leaflets 

 without stipels. 

 43 CICER. Wings free. Style filiform, beardless. Stigma terminal. Pod inflated. 



44. VICIA. Wings adherent to keel. Style bearded near or under tip, or glabrous. Stigma 

 terminal. 



45. ERVUM. Wings adherent to keel. Style bearded above, glabrous below. 



46. LATHYRUS. Style slightly twisted, broad at tip. Petiole ending in a tendril or awn, 



47. OROBUS. Styl« not twisted. Petiole ending in an awn or leaflet. 



48. PISUM, Style keeled, grooved below, bearded above. Petiole cirrhose or horned. 



Tribe IX. PHASEOIiE^E. Stamens diadelphous or nearly monadelphous, 

 anthers versatile, or rarely the alternate ones longer and fixed at base. Pod not jointed, 

 bivalved. Cotyledons thick, generally rising above the ground during germination. First 

 leaves opposite— Twining herbs, rarely erect or shrubby, leaves pinnately trifoliolate, 

 leaflets entire or lobed, generally stipellate, 



49. VIGNA. Pod linear, straight, partitioned between seeds. Flowers clustered on axillary 

 peduncles. 



50. DOLICHOS. Pod falchion-shaped, not filled up between seeds. Flowers racemed, 



51. RHYNCHOSIA, Pod flattened, linear, not partitioned. Flowers not racemed in axils. 



