. Botany; an elementary text for schools. Plants. 352 THE KINDS OF PLANTS. 470. Medicago sativa. flowers white, the standard longer than other petals. Europe; common on roadsides. M. officinalis, Linn. Yellow sweet clover. Fig. 469. Leaflets obtuse: flowers yellow. Less common than the other. 11. MEDICAGO. Medick. Clover like plants with small flowers in heads or short spikes and toothed leaflets: particularly dis- tinguished by the curved or coiled pod. M. sativa, Linn. Alfalfa. Lucerne. Fig. 470. Erect perennial, with ovate-oblong leaflets and short spikes or dense racemes of blue purple flo
. Botany; an elementary text for schools. Plants. 352 THE KINDS OF PLANTS. 470. Medicago sativa. flowers white, the standard longer than other petals. Europe; common on roadsides. M. officinalis, Linn. Yellow sweet clover. Fig. 469. Leaflets obtuse: flowers yellow. Less common than the other. 11. MEDICAGO. Medick. Clover like plants with small flowers in heads or short spikes and toothed leaflets: particularly dis- tinguished by the curved or coiled pod. M. sativa, Linn. Alfalfa. Lucerne. Fig. 470. Erect perennial, with ovate-oblong leaflets and short spikes or dense racemes of blue purple flowers. Eu- rope, but grown for fc rage. M. lupulina, Linn. Hop clover. Black medick. Trailing clover like plant, with obovate leaflets and yel- low flowers in heads or very short spikes: pod black when ripe. Europe; common weed East. 12. PHASfiOLTJS. Bean. Tender herbs, often twining, the flowers never yellow, and the pinnate leaves of 3 leaflets: flowers usually in clusters on the joints of the raccnio or at the end of the peduncle, the keel (in- closing the essential organs) coiling into a spiral: fruit a true legume. P. Vlilg&,ris, Linn. Common beau. Figs. 282-3, 285-G, 471. Annual: twining (the twining habit bred out in the "bush beans"): leaflets ovate, the lateral ones 472. Phuscolus unequal-sided: flowers white or purplish, iunatus. the racemes shorter than the leaves: pods narrow and nearly straight. Probably from tropical America. 471. Phaseolus vulgaris. P. lunatus, Linn. Lima bean. Fig. 472. Annual: tall-twining (also dwarf forms): leaflets large: flowers whitish, in racemes shorter than the leaves: pods flat and curved, with a few large flat seeds. South America. P. multifldrus, Willd. Scarlet runner bean. Peren- nial in warm countries from a tuberous root, tall-twin- ing : leaflets ovate : flowers bright scarlet (white in the "Dutch Case-knife bean") and showy, the racemes exceeding the leaves: pod long and broad but not flat. Tropical Americ
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