LEGUMINOSiE. (PULSE FAMILY.) 255 



petals, and several to many seeds. 



X Ste?nlessor caulescent herbs with scape-like peduncles, and looolly, imh'icat- 

 ed 01' crowded leaflets. 



§ Leaflets 6-12 pairs. 



32 A. liirsutissimus, 33 lanatus. 



§ § Leaflets 15-40 pairs. 



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

 38 cretaceus, 39 oxytropifolius. 



X X Caulescent herls ; leaflets not imbricated ; corolla deciduous. 



40 A. vexillaris. 



XXI Nearly stemless X)r caulescent ; corolla persistent. 



41 A. barbatiis, 42 nanus, 43 Antilibani, 44 mollis, 45 Fresenii. 



I I Herbs or shmbs, with unarmed or thorny odd-pinnate petioles, yedicelled 

 fl/>wers usually racemed, deciduous petals free or nearly so, and seiieral to 



many seeds. 



X Stipules free from one another, and nearly or quite free from petiole. 

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

 Christianas, 51 Aleppicus, 52 diphtherolobus, 53 neurocarpus, 54 She- 

 pardi. 



X X Stipules adnate to petiole. 



§ Pod papery or leathery. 



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

 59 brachystachys, 60 pinetorum. 



§ § Pod fleshy or woody. 



61 A. sparsus, 62 acinaciferus, 63 Sieberi, 64 trigonus, 65 leucacan- 

 thus. 



I I I Erinaceous shrubs icith thorny ptetioles, sessile flowers, a top-shaped ca- 

 lyx loith 2)ointed base, persistent petals, anda small, spherical, 1-seeded pod. 



X Standard with a broad claw. 



66 A. gummifer. 



X X 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 argyrothamnus. 



t J I t Standard fiddle-shaped. Lnner petals adherent high up stamen-tuhe. 



§ Calyx not divisible to base. 



70 A. psilodontius, 71 ambiguus. 



§ § Ccdyx divisible to base. 



^ Spi?ies .02 to .08 long ; bracts deciduous; h'actlets 0. 



II Flowers in dense heads. 



72 A. Prusianus, 73 psilacmos, 74 Zachleusis, 75 cruentiilorus, 76 

 stromatodes. 



