Fig. 503: Aeschynomene indica: a, standard, x 4; b, wing, x 4; c, keel, x 4; d, 

 loment, x V-z; e, article of loment, x 4; f, mature seed, x 4. (Courtesy of R. K. Godfrey). 



Our plants have fruits only 2.5-3.5 mm. broad, which would place them tech- 

 nically in the taxon A. evenia Wright, which replaces A. indica in much of 

 tropical America but seems not to be specifically separable from it. 



18. Lespedeza Michx. Bush Clover 



Unarmed annual or perennial herbs; leaves alternate, trifoliolate; stipules 

 persistent; leaflets entire; stipels absent; flowers borne in pairs on loose or con- 

 tracted racemes, often cleistogamous; calyx tube shorter than or equaling the 

 lobes, the 5 subequal lobes persistent in fruit, often the calyx of cleistogamous 

 flowers shorter than those of chasmogamous flowers; corolla papilionaceous (white 

 to purple with purple throats) or absent (actually vestigial) in cleistogamous 

 flowers; banner oblong to obovate or suborbicular, clawed, free or slightly ad- 

 herent to the incurved obovate keel petals; stamens 10, diadelphous, the uppermost 

 filament free; fruit a solitary flattened 1 -seeded ovate or rounded indehiscent 

 pod, often reticulated; style persistent (though easily broken in dried material), 

 elongate on chasmogamous pods or very short and tightly recurved on cleisto- 

 gamous pods. 



1067 



