LEG UMINOS^J-PAPILIONA CE2E. 275 



solitary on terminal, axillary (always ?) peduncle ; bracts and bract- 

 lets minute, very caducous" {Australia). 



89. Astragalus T. 1 — Receptacle cupuliform, glandular within ; 

 mouth horizontal or slightly oblique. Calyx tubular or more or less 

 inflated, gamosepalous to a considerable height ; teeth or lobes 

 short, nearly equal. Petals usually rather long unguiculate ; standard 

 erect long, ovate obovate or panduriform ; wings unevenly oblong ; 

 limb often with auriculate appendages above at base ; keel equal to 

 or a little shorter than wings and more or less adherent to them by 

 its outer edges, of variable form, obtuse. Stamens 10, 2-adelphous; 

 9 connate into a sheath cleft above ; vexillary stamen free ; anthers 

 uniform. Germen sessile or stipitate ; ovules oo, 2-seriate, more or 

 less descending ; style slender, straight or curved, beardless ; stigma 

 minute terminal. Legume sessile or stipitate, finally 2-valved, very 

 variable in form ; sometimes longitudinally divided by intrusion of 

 dorsal suture into 2 spurious cells ; sometimes turgid or membranous 

 inflated, imperfectly or more rarely perfectly {Phaca, 2 Erophaca 3 ) 

 divided within. Seeds campylotropous exarillate funiculate,,— Small 

 shrubs, densely branched, 4 unarmed or bristling with spinescent 

 hardened petioles ; or oftener undershrubs or herbs ; leaves either 

 imparipinnate, or almost abruptly pinnate with persistent petiole, 

 sometimes digitate 3-foliolate, 5 sometimes 1-foliolate; leaflets entire 

 exstipellate ; stipules free or adnate to petiole, more rarely connate 

 into one oppositifolious ; flowers 6 solitary or more rarely umbellate 7 or 

 oftener racemose or spicate ; inflorescences often pedunculate, axillary 

 or springing laterally from stem ; bracts usually minute ; bractlets 

 small or minute {Europe, northern and subtropical Asia, Africa, and 

 America*). 



1 Inst., 415, t. 233.— L., Gen., n. 892. — J., The legume is almost 1-seeded in Kentrophyta 

 Gen., 358.— G.ertn., Fruct., i. 339, 1. 154. — DC, Nutt. {op cit., 353). 



Astragalog. (1802) ; Prodr., ii. 281. — Spacii., 4 In appearance like Galgea, in section Galegi- 



Suit. a Buffon, i. 275. — Endx., Gen., n. 6573. — formis, to which we must refer Diplotheca 



B. H. Gen., 506, n. 133.— Iragacantha T., Inst., Hochst. (in Flora [1816], 595). 



417, t. 234 (incl. : Aulosema Walp., Diplotheca 5 Section Orophaca Torr. & Gb. {op. cit., 



Hockst., Homalobusl!lTJTT.,Kenlrophgta'NvTT., 342; — Hook., Ft. Bor.-Amer., t. 55). 



Phaca L., Podolotus Koyle). ° White, yellowish, pink, or purplish. 



2 L., Gen., n. 891.— DC, Prodi:, ii. 273.— " Podolotus Kotle (Ft. Jlimal., 19S. — Pot. 

 Endl., Gen., n. 6571. — A. Gray, in Proceed. Mag., t. 1350). 



Amer. Acad., vi. 188. s Species about 500. Cat., Icon., 1. 133. 188.— 



3 Boiss., Yoy., 176. The sutures are not H. B. K., Nov. Gen. et Spec, vi. 492,495, 581 

 intruded in the narrow legume of Homalobus 586 (Phaca). — Pallas, Astragal., t. 1 -26, 28 

 Nutt. (ap. Tore. & Gb., Ft. K Amer., i. 353). 36, 38-41, 54, 55, 58-65, 66B -70, 79, S2-84 — 



T 2 



