LEGUMINOS^. (pulse FAMILY.) 255 



jKtals^ and several to many seeds. 



\ Stemlessor caulescent herbs loWh scaipe-like iiedxindes^ and looolly^ imbricat- 

 ed or crowded leaflets. 



§ Leaflets 6-12 pairs. 



32 A. hirsutissimus, 33 landtus. 



§ § Leaflets 15-40 pairs. 



34 A. chrysophyllus, 35 macroscepus, 36 Cedreti, 37 emarginatus, 

 88 cretaceus, 39 oxytropifolius. 



J I Caulescent herds ; leaflets not imbricated ; corolla deciduous. 



40 A. vexillaris. 



\X\ Nearly stemless or caulesce7it ; corolla persistent. 



41 A. barbatus, 43 uanus, 43 Antilibani, 44 mollis, 45 Fresenii. 



\ t Herbs or shrubs, with unarmed or thorny odd-pinnate petioles, yedicelled 

 flowers usually racemed, deciduous petals free or nearly so, and semrcd to 



many seeds. 



\ Stipules free from one another, and nearly or (luite free from petiole. 

 46 A. Lusitanicus, 47 stramineus, 48 macrocarpus, 49 Graecus, 50 

 Christianus, 51 Aleppicus, 53 diphtherolobus, 53 neurocarpus, 54 She- 

 pardi. 



\ X Stipules adnate to petiole. 



§ Pod papery or leathery. 



55 A. platyraphis, 56 Alexandrinus, 57 Amanus, 58 nummularius, 

 59 bracbystachys, 60 pinetorum. 



§ § Pod fleshy or woody. 

 61 A. sparsus, 63 acinaciferus, 63 Sieberi, 64 trigonus, 65 leucacan- 

 thus. 



1 1 1 Erinaceous shrubs with thorny petioles., sessile flowers, a top-shaped ca- 

 lyx loith pointed base, persistent p>etals, anda small, spherical, 1-seeded pod. 



I Standard toith a broad claio. 



66 A. gummifer. 



I I Standard fiddle-shaped. Petals free from stamen-tube. 



67 A. Rousseanus. 



XXX Standard fiddle-shaped. Petals adherent to base of stamen-tube. 



68 A. echinus, 69 argyi'otliamnus. 



t J I ]: Standard fiddle-shaped. Inner petals adherent high up stamen-tube. 



§ Calyx not divisible to base. 



70 A. psilodontius, 71 ambiguus. 



§ § Calyx divisible to base. 



IT Sptines .03 to .08 long ; bracts deciduous ; bractlets 0. 



I Flowers in dense heads. 



73 A. Prusianus, 73 psilacmos, 74 Zachlensis, 75 cmentiflorus, 76 

 stromatodes. 



