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1. M. pParvirnora Desf. Flowers yellow. 
©. Common the year round. 
Native of the Mediterranean region, but at 
present perfectly naturalized. 
6. Medicago Tourn. Mepicx. 
Diadelphous. Petals free from the column 
of stamens and deciduous. Legume globose. 
Flowers racemose. Leaves pinnately 3-foliol- 
ate; stipules adnate. 
1. M. sativa L. Legume without prickles, 
spirally rolled up. the spiral leaving an open 
space in the center; flowers purple. — 2f. 
Common all the year round. ‘‘Alfalfa.” 
Native of Europe, but escaped from cultiva- 
tion in different countries. 
2. M. denTicuLaTa Willd. Legume spirally 
rolled up and armed with a double row of 
prickles; flowers yellow.—©. Common all the 
year round. 
Native of Europe, a fodder plant, but owing 
to the prickles that infest its legume, not de- 
sirable in wool-growing districts. 
3. M.xuputina L. Legume without prickles, 
spirally rolled up, the spiral leaving no open 
space in the center; flowers yellow.—©. Com- 
mon all the year round. 
Native of Europe, now naturalized. 
