114 VASCULAR PLANTS. 



4. Medicago, L- 



Diadelplious. Legume falcate or spirally 

 coiled. 



0. %. T <? . leaves pinnately trifoliolate; stip- 

 ules adnate. 



5. Melilotus, Tournef. 



Diadelplious. Petals free from the columu 

 of stamens and deciduous. Legume globose. 



0.00. flowers racemose : leaves pinnately 

 trifoliolate; stipules adnate. 



6. Trifolium, Tournef. 



Diadelplious. Petals persistent, and adnate 

 to the stamineal tube. Legumes utriculate, 

 irregularly dehiscent. 



0. %. leaves palmately compound; stipules 

 adnate. 



7. Hosackia, Doug. 



Diadelplious. Petals unguiculate. Legumes 

 cylindrical, sessile. Flowers umbellate. 



0. %. leaves impari (2 — several)-pinnate; 

 stipules often minute. 



8. Psoralea, L. 



Diadelplious. Wings united to the carina. 

 Ovary sessile, 1-ovulate. Legume included in 

 the calyx, indehiscent. 



71. ^. glandular; leaves inipariphmate, 

 3 — 5-foliolate; stipules not adnate. 



