MEDICAGO LUPHLINA. 



COMMON YELLOW CLOVER, OR TREFOIL. 



Annual, rarely biennial. Stems much branched 

 from base, hairy or sub-glabrous. Leaflets obovate, 

 denticulate, emarginate, mucronate. Stipules ob- 

 liquely ovate-toothed. Peduncle longer than the leaf. 

 Head many-flowered, depressed, ovoid. Flowers 

 lemon-yellow. Pedicels shorter than calyx; calyx- 

 teeth longer than tube. Standard of corolla longer 

 than wings. Pods naked, black, one-seeded. Flowers 

 May to September. Distributed throughout Europe, 

 North Africa, and India. 



ANALYSIS. 



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