604 368. Medicago. 63. LEGUMINOS^. PL ex. cat 



VII. 368. MEDICAGO. Tournefort. Lucerne. 



Calyx nearly cylindrical, 5-cut; keel distant from the 

 standard ; legumen many-seeded, falcate or spiral, twisted. 

 — Leaves ternsi.tei flowers in heads or solitary, yellow, rarely 

 blue. 



a. Legumen sickleshape, or curved circularly. 



1 . Medicago sativa. Cultivated lucerne. 

 Peduncle racemous ; legumen smooth, slightly spirally 



twisted; stipules not in the least cut; leaflets oblong, toothed; 

 stem upright, bald. 



Trifolium Burgundiacum, Ger. em. 1189. 

 Medicago sativa, Lin. S. P. 1096. 

 Burgundy trefoil. Horned clover. Lucerne, 



Fields and pastures, naturalized; also cultivated; peren.; 

 June and July. 



Root woody; stem 2 feet high, much branched, bald ; 

 leaves petioled ; leaflets serrated at the tip, hairy beneath ; 

 flowers violet; legumen 2 or 3- whirled. — Herb affords good 

 forage, and in rich ground may be cut several times in the 

 summer. 



2. Medicago falcata. Sickle lucerne. 

 Peduncle racemous ; legumen twisted, sickleshape, smooth ; 



leaflets oblong, toothed at the tip ; stem prostrate at the 

 base. 



Medica sylvestris, Rail Syn, 3331, 1. 

 Trifolium luteum siiiqua cornuta, Ger. em. 1 191. 

 Medica frutescens flavo flora Clusii, Park. 1114. 

 Medicago falcata, Lin. S. P. 1096. 

 Yellow horned trefoil. Butter jags. 



Edges of fields and old walls ; perennial ; July. 

 Leaves slender ; flowers yellow, violet, or yellow and 

 violet, or greenish ; legumen 4* to 8-seeded. 



3. Medicago lupuUna. Hop lucer?ie. 

 Spike ovate ; legumens kidneyshape, 4-seeded, downy, 



streaked ; leaflets ovate, slightly toothed at the tip ; stem 

 procumbent. 



Melilotus q. Trifolium lutenm lupulinum, Raii Syn, 331, 1. 

 Trifolium luteum lupulinum, Ger. em. 1186,5. 

 Trifolium montanum lupulinum, Park. 1105. 

 Medicago lupulina, Lin. S. P. 

 Black trefoil. Nonesuch. Hop trefoil. 



Fields and pastures, also cultivated ; biennial ; May to 

 August. 



Stem prostrate, angular ; peduncles long ; flowers small ; 

 legumen hairy, black. 



