222 S. Kurz — Contributions towards a [No. 4, 



Subtrib. 1. CASSIE2E. Leaves irapairedly or abruptly pinnate. Sepals free to 

 the disk, usually imbricate. Ovary or ovary-stalk free. 



* Petals all developed. 



Cassia. Sepals imbricate. Stamens 5 — 10. Leaves abruptly pinnate. Trees, 

 shrubs or herbs. 



* * Petals none, or 1 — 2 and minute. 



Dialium. Stamens 2 ; anthers 2-rimose. Sepals imbricate. Pod turgid or 

 globose. Leaves unpaired pinnate. Trees. 



* * Anthers versatile, opening by longitudinal slits. 



Subtrib. 2. BA JJSINIEA 1 !. Leaves simple, 2-foliolate or simply pinnate. Calyx 

 gamosepalous, or the sepals free to the disk, imbricate or valvate. Ovary-stalk adnate 

 to the calyx-tube or rarely free. 



* Leaves simple and more or less 2-lobed, or 2-foliolate. (Eu-Bauhinea?). 

 Bauhinia. Petals unequal. Calyx gamosepalous or valvate. Pods dehiscent. 



Leaves palmately 5 — many-nerved. 



* * Leaves abruptly pinnate. (Amherstieae). 



x Calyx-tube short, the disk basal or nearly so. (Cynometrece.) 

 + Petals none. 

 Haedwickia. Sepals 5, much imbricate. Stamens 10, all perfect or 1 — 3 reduced 

 to staminodes. Pod flat-compressed, 2-valved at the apex. Leaflets in 1 to several 

 pairs. 



+ + Petals 5 or fewer. 

 Cynometea. Sepals 4 — 5. Petals 5, imbricate. Stamens 10 or many. Pod 

 fleshy, indehiscent or tardily dehiscing. Leaflets in 1 to many pairs. 



x x Disk at the top of a prolonged calyx-tube. (Eu-Amherstiea) . 

 + Petal 1—5. Trees. 



O Calyx-tube rather short. Petal 1. 



Sentdoea. Calyx valvate or nearly so, often echinate. Petal sessile. Stamens 

 shortly monadelphous, 2 of them perfect, the rest castrate or reduced to filaments. 

 Leaflets in 2 — 3 pairs. Seeds arillate. Pods -woody, echinate. 

 Calyx-tube elongate. 

 t Petal one. 



Pahudla. Calyx-segments 4, much imbricated. Petal shortly clawed. Stamens 

 10, 7 of them high-up connate, the rest entirely reduced or 2 of them represented by 

 minute staminodes. Leaflets in 2 or more pairs. Seeds arillate. Pods firmly woody, 

 smooth. 



Afzella. Calyx-segments 4, much imbricated. Petal clawed. Stamens 3 — 8, 

 free, with or without a few minute staminodes. Pod large, woody or coriaceous. 

 Seeds not arillate. Leaves abruptly pinnate, 

 t t Petals 3—5. 



Tamaeetotts. Petals 3, with the rudiments of 2 others. Staminodes teeth-like. 

 Stamens monadelphous, only 3 of them developed. Pod turgid, indehiscent, the acid 

 mesocarp pulpy. 



Amheestia. Petals 5, 3 of them nearly equally long, and like the lowermost 

 one, very broad, the 2 others minute or rudimentary. Stamens diadelphous (9 + 1). 

 + + Petals none. 



Saeaca. Sepals 4. Stamens 3 — 9. Pods coriaceous, 2-valved. Trees. 



