43 



ELLIPANTHUS. 



Leaves and petioles glabrous, ^ . .. < ..;.......... .E. cnlophyllm. 



Petioles densely puberulous ; leaves glabrous, the midrib puberulous beneath, . .. .E. Helferi. 

 Leaves tomentose beneath, E. iomeniosus. 



LEGUMINOS^. 



Conspectus of genera. 



SuBOBD, I. Papiliokaces. Corolla Very iiregnlax, the petals imbricate with the upper one (standard) always out- 

 side in bud. 



Leaves pinnate (rarely reduced to 3 or 1 leaflets), stipulets none or setaceous. Upper stamen usually 



fjee, at least at base, the others united into a sheath, or very rai-ely all united. Pod not jointed, 2- 



Ttlred and dehiscing. 

 MiLLETTiA, Anthers without gland. Pods not chambered inside, usually woody or coriaceous. 

 Sesbakia. Anthers without gland. Pods transversely chambered inside, usually thin coriaceous and narrow. 



Leaves pinnately 3-foliolate or l-foliolate, rarely 5-7.foliolate, usually with stipulets. Upper stamen 



usually free, at least at the base or all but the base ; anthers uniform or nearly so. Pod jointed, 2- 

 valved, dehiscent or not. 

 O Pods dehiscing. 

 Erythrina. Standard large or elongate, the wings and keel much shorter. Calyx various, truncate, spathaoeous 

 or toothed. Armed trees. 



00 Pods indehiscenb. 

 BuTBA. Standard acute, nearly as long as the acute keel. Calyx toothed. Unarmed trees and shrubs. 



Leaves pinnate, stipulets none or small and subulate. Stamens all united into a sheath or 



tube, or into 2 half-sheaths, rarely the upper one free. Pods indehiscent, usually not chambered 

 inside. 



O Leaflets usually alternate. 

 Dalbebgia. Pods oblong or linear, extended into a flat chartaceeus or coriaceous wing all round. 

 Ukkpanocabpvs. Pods reniform or moniliform, coriaceous or drupaceous, not winged. 



Pterocakpus. Calirx acute or turbinate at base. Pods almost orbicular or broadly oblong, in the centre seed-bearing 

 and surrounded by a complete broad wing. 

 00 Leaflets usually opposite. 

 Debbis. Pods flat, chartaceons or coriaceous, at the upper suture or both sutures extended into a narrow wing. 

 PoNGAMiA. Pod short, thick, coriaceous, with rounded sutures, not winged. 



* Leaves pinnate, with or without stipulets. Stamens all free or scarcely united at base. Pods de- 



hiscent or not. 

 SoFEOKA. Pods moniliform, terete or winged, usually indehiscent. Seeds without arillus. Leaves without 



stipulets. 

 Arillaria. Pods short, fleshy-ooriaceotls, dehiscent. Seeds with a complete arillus. Leaves with stipulets. 

 SUBORD. 11. Caesalpinie.e. Flowers irregular, the petals often absent, imbricate in the bud with the upper petal 



inside. 



Leaves usually bipinnate. Sepals free from the disk. Anthers versatile. Ovary or its stalk free. 



Sepals much imbricate. Seeds without albumen. 

 )C Pods ilot winged. 

 Caesalpinia. Pods compressed, coriaceous or thick, dehiscent or not. 



XX Pods winged or wing-like extended, indehiscent. 

 Peltofhorum. Stigma peltate. Pods flat, the margins wing.like extended. 

 Mbzoneurum. Stigma minute. Pod flat, thin, the upper margin winged. 



OO Sepals valvate or slightly imbricate. Seeds with albumen, 

 PoiNCiANA. Pods coriaceous, rigid, flat, dehiscing. Unarmed trees. 

 Paewnbonia. Pods thin coriaceous, linear torulose or almost moniliform, indehiscent. Armed trees. 



* Leaves pinnate. Sepals free from the disk. Anthers usually basifix. Ovary or its stalk free. 

 CAraU. Petals 5. Stamens 5-10. Leaves abruptly pinnate. 



* * Leaves simple or 2-lobed, or rarely 2-foliclate. Calyx gamosepalolis, or the sepals valvate. 



Ovary-stalk free or adnate to the calyx-tube. Seeds with Eilbumen. 

 Bavhinia. Leaves or leaflets palmately nerved. Pods not winged. 



* Leaves usually abruptly pinnate, very rarely unpaired-pinnate or 1-foHolate. Sepals free from 



the disk, imbricate or valvate. Petals 5, or fewer, or none. Anthers versatile. Albumen none. 



Ovary-stalk adnate or not. 



O Pods coriaceous, or crustaceous, dry. 



X Bracteoles persistent, enclosing the flower-bud. 



f Petals 5, equally long, or rarely 3 equally long, and the lower 2 rudimentary. 

 Akhebstia. Bracteoles free, spreading. Petals unequal, the lower 2 minute and rudimentary. Of the stamens 9 

 connate, the 10th free. 



+ t Of the petals one large and developed, the remainder rudimentary or wanting. 

 Macbolobivm. Bracteoles free, spreading. Sepals 4. Leaflets in one or several pairs. 

 XX Bracteoles minute or very caducous. 



t Of the petals one very large or long-clawed, the others rudimentary or wanting. 



Afzblia. Petal clawed. Stamens 3-8, free, with or without a few minute staminods. Leaflets in one or more pairs. 



1 1 Petals 5, or rarely 3 or 2 of them almost equally long or wanting. 

 Tamarindus. Sepals 4. Perfect petals 3, rudimentary ones 2. Stamens monadelphous, 3 of them perfect. Pods 

 thick, indehiscent with pulpy acid mesocarp. 

 + + t Petals none. 



gy^jACAi Sepals 4. Stamens 3-9. Leaves abruptly pinnate. Panicles lateral. 



00 Pods thick, fleshy. 

 Ctnometba. Sepals 4-5. Petals 5. Stamens 10 or more. Leaflets in 1 or several pairs. Flowers very sinall. 

 SuBOKD. III. Mimose*. Flowers regular. Sepals and petals valvate and often united. Stamens definite (5 or 10) 

 or very numerous. 



Stamens 5. Petals free. 



AcBOCAEPUS. Petals free. Pods wing-like extended on the upper margin. Leaves bipihaate. 



