218 S. Kurz — Contributions toioards a [No. 4, 



Mecopus. Pod 2-jointed, between uncinnate-subulate bracts, tbe pedicels abrupt- 

 ly deflexed from tbe tips. Leaves simple. 



t t Pod-joints folded one upon tbe otber. 



Lottrea. Calyx enlarged in fruit. Flowers in racemes. Leaves 1 — 3-foliolate. 



TJraria. Calyx not cbanged in fruit. Flowers in racemes. Leaves 3 — 1-foliolatc, 

 or pinnate. 



* * Stamens 10, all united into a single tube or into 2 separate sheaths of 5 each. 



x Stamens all united into a single complete tube. Antbers dimorpbous. 

 Arachis. Calyx-tube filiform, tbe 4 upper-lobes united, tbe lowermost tbin and 

 free. Petals and stamens inserted at tbe moutb of tbe calyx-tube. Pod ripening 

 under tbe soil. Leaves abruptly pinnate. 



Zornia. Calyx-tube sbort. Pod 2 — 6-jointed, muricate. Herbs, tbe leaves digi- 

 tately 2 — 4-foliolate. 



x x Stamens united into 2 separate sbeatbs of 5 eacb. 

 + Pod twisted witbin tbe calyx. 

 Smithia. Calyx 2-parted. Herbs witb abruptly pinnate leaves, tbe racbis 

 ending in a bristle. 



+ + Pod straight. 

 Geissaspis. Calyx deeply 2-lipped, tbe upper lip entire. Herbs witb abruptly 

 pinnate leaves. Pods 1 — 2-joined, indebiscent. 



2Eschynomene. Calyx 2-lipped. Herbs, rarely undersbrubs, witb unpaired- 

 pinnate leaves. Pods many-jointed. 



Ormocarpitm. Calyx 5-toothed. Pod-joints longitudinally striate or ribbed. 

 Shrubs witb unpaired-pinnate leaves. 



+ + Pods not jointed, very rarely 1- seeded. 

 Subtr. 4. VICIEJE. Petiole terminating in a bristle or tendril. Leaves ab- 

 ruptly pinnate. 



* Stamens 10, united into a single slit sheath with the tenth vexillary one free. 



x Leaflets tootbed. Wings free from tbe staminal tube. 



Cicer. Wings free. Style not bearded at tbe apex. Pod inflated. Funicle fili- 

 form. Erect herbs. 



x x Leaflets entire. Wings more or less adhering to the staminal tube. 



Vicia. Staminal tube oblique at tbe mouth. Style pubescent, or bearded at tbe 

 apex. Ovules usually numerous. Erect or twining herbs. 



Lens. Staminal tube oblique at the mouth. Style filiform. Ovules usually 2. 

 Erect herbs. 



Lathtrus. Staminal tube truncate at the mouth. Style flat, or dilated at the 

 apex. Pods more or less compressed. Erect herbs. 



Pisum. As preceding but style triquetrous and dilated upwards. Pods turgid. 



* * Stamens only 9, all united into a single slit sheath. 



Abrtjs. Style not bearded. Pods compressed, chambered within. Climbing un- 

 dershrubs. 



Subtr. 5. PSASEOLEJE. Petiole without tendril. Leaves usually pinnately 

 3-foliolate, very rarely unpaired pinnate. 



* Leaflets not resinous-dotted beneath. 



x Stamens united into a slit sheath with the 10th vexillary one free (or 

 rarely shortly adnate.) 



+ Nodes of the inflorescence not tumid. Stipules and bracts con- 

 spicuous, persistent. 



