(58) 



"B. Genuinely diadelplious. 



a. Style not pilose. 



1. Hosackia. Petals unguiculate. Carina 

 rostrate. 



2. Trifolium. Petals persistent, aclnate to 

 the stamineal tube. 



3. Psoralea. Wings of the corolla adnate 

 to the carina. Ovary sessile, 1-ovulate. 

 Legume indehiscent, included in the 

 calyx. 



4. Glycyrrhiza. Petals not adnate to the 

 stamineal tube. Carina 2-petalous. 



5. Astragalus. Petals not adnate to the 

 stamineal tube. Carina blunt. Legume 

 imperfectly 2-celled. 



6. Melilotus. Petals not adnate to the stam- 

 ineal tube. Ovary straight. Legume 

 globose. 



7. Medicago. Petals not adnate to the 

 stamineal tube. Ovary crescent-shaped. 

 Legume spiral. 



b. Style pilose. 



1. Lathyrus. Style pilose only on the ven- 

 tral side which is flattened. 



2. -Vicia. Style pilose on the dorsal side, 

 or all around the apex. Style not spi- 

 ral. 



