20 



A SYNOPSIS OF THE VEGETABLE KINGDOM. 



thick-compressed or 

 subterete, usually 

 septate inside be- 

 tween the seeds. ... 10. Prosopis. 

 BB. The pods 2-valved. See 



also BBB 



c. Pod straiRbt or arched, 

 flat: valves entire, 

 continuous within : 



shrubs or trees 11. Piptadenia. 



cc. Pod obliquel.v oblong, 

 deflexed from the 

 stipe : herbs or dif- 

 fuse suli-shrubs. pros- 

 trate or floatins. ... 12. Neptunia. 

 r!BB. Pod flat, with thickened 

 persistent continuous 

 sutures, the valves 

 transversely .iointed be- 

 tween the sutures, the 

 joints 1-seeded 13. Entada. 



4. Mimosa Tribe. 



\. Pods provided with a rep- 

 lum, i. €, a frame-liiie 

 placenta, which remains 

 after the valves have fal- 

 len away from it 



B. Valves wider than rep- 



lum 14. Mimosa. 



BB. Valves narrower than the 



replura or hardly wider.15. Schrankia. 

 aa. Pods 2-valved in the ordi- 

 nary fashion. 16. Leucena. 



5. PoDALYRiA Tribe. 



A. Keel petals free or slightly 

 connate : foliage herbace- 

 ous 



BB. Pod linear or oblong- 

 inflated 17. Thermopsis. 



BB. Pod globose or ovoid, 



turgid or inflated 18. Baptisia, 



AA. Keel petals connate on the 

 back : foliage mostly 



leathery. . 



B. Ovules 4 or more 



c. Keel about as long as 



the wings 10. Oxtlobium. 



cc. Keel much shorter than 



wings 20. Chorizema. 



BB. Ovules 2 



c. Pod indehiscent : calyx 



shortly .5-toothed. ...21. Viminaria. 

 cc. Pod 2-valved : calyx 5- 



fld. or bilabiate 22. Pulten.ea. 



6. Genista Tribe. 



a. Stamens coalesced into a 

 sheath which is split 



above the middle 



B. Seeds strophiolate. 



c. Lvs. simple or reduced 



to mere scales. ....23. Templetonia. 

 cc. Lvs. pinnate: Ifts. 3.. 24. Goodt.a. 

 BB. Seeds not strophiolate. .. .25. Crotalaria. 

 AA. Stamens coalesced into a 



closed tube 



B. Seeds not strophiolate.. . . 



c. Calyx lobes or lips 



much longer than the 



tube 26. LupiNUS. 



cc. Calyx lobes or teeth 

 shorter than the tube, 

 rarely somewhat 



longer 



D. Lfts. 3 



B. Pod stalked 27. Laburnom. 



ee. Pod sessile 



p. Claws of petals 

 adnate to stam- 



inal tube 28. Petteria. 



FF. Claws of petals 



free 



G. Shrubs un- 



armed : upper 

 cal.vx lobes 



distinct 29. Adenocarpds. 



GG. Shrubs usual- 



1 y spines- 

 cent : calyx 

 short, trun- 

 cate 30. Calvcotome. 



DD. Lfts. rarely 3 or 1 : 

 shrubs with spiny 

 or rush-like 



branches 



E. Shrub with rush-like 



branches 31. Spartiom. 



EE. Shrubs spiny or un- 

 armed : lfts. re- 

 duced to 1 or U, 

 rarely 3. ...... 32. Gexista. 



BB. Seeds strophiolate 



c. Calyx colored, 2-parted : 

 the upper segment 

 2-toothed. lower 3- 

 toothed : leafless 

 shrubs, the branch- 

 lets and petioles 

 transfor med into 



spines 33. Ulex. 



cc. Calyx with the 2 upper 

 lobes or teeth con- 

 nate or free, the 3 

 lower connate into a 

 lower lip 34. CvTisns. 



7. SoPHORA Tribe. 



A. Flower with petals all near- 

 ly alike. 35. Cadia. 



AA. Flower distinctly papiliona- 

 ceous 



B. Pod 2-valved 36. Castan'O.speumcm. 



BB. Pod indehiscent or at 

 most tardily dehiscent 



to a slight extent 



c. Pod moniliform 37. Sophoba. 



cc. Pod not moniliform, 



linear 



D. FIs. yellow in axil- 

 lary racemes 38. Calpurnia. 



DD. FIs. white, panicled..39. Cladrastis. 



8. IlEDVSAncM Tribe. 



A. Stamens all free among 



themselves 40. Adesmia. 



AA. Stamens all connate in a 



closed tube 41. Arachis. 



AAA. Stamen nearest the stand- 

 ard free or connate with 

 the others only at the 

 base or at the middle. . . 

 B. Filaments all dilated 

 above or only alternate 



ones 42. Oenithopds. 



c. Keel obtuse 



cc. Keel acute or beaked.. .43. Coronilla. 



BB. Filaments normal 



c. Wings short or very 

 short, rarely as long 

 as the keel : lfts. not 

 provided with min- 

 ute stipules 



D. Pod flat or com- 

 pressed 



E. Joints many, rarely 

 2 : standard-sta- 

 men free 44. IIedy.sarcm. 



ee. Joints 2 : standard- 

 stamen connate 

 with others at 



middle 45. Onobrvchis. 



DD. Pod thickish, sub- 

 terete. 4G. Aliiaoi. 



cc. Wings as long as or 

 longer than the keel : 

 partial petioles of 

 lfts. bear minute 

 stipules (except in 



Lespedzza 0) 



D. Pod indehiscent. rare- 

 ly opening at the 

 lower suture : ioints 



flat 47. Desmodidm. 



DD. Pod of about 4 small, 

 distinct, 1-seeded, 

 smooth, veined 

 joints included in 



