LEGUMINOS.E 



383 



T. procumbens, Linn. Low hop clover. Annual, Blender, procumbent 

 >r upright to 6 or 12 in.: flowers yellow, turning brown and dry when old, 

 finally reflexing; standard striate; heads small, rounded, 20 40-flowered: 

 leaflets wedge-shaped and notched at end, terminal one stalked, stipules 

 ovate. June. Dry soil, introduced. 



T. agrarium, Linn. Hop clover. Larger: leaflets ovate- 

 oblong, the terminal one not stalked, and stipules narrow 

 and joined for half their length to the petiole. Introduced. 



9. BAPTISIA. False Indigo. 



Perennial herbs: leaves palmately 3-foliolate, with 

 stipules (or, simple, sessile, exstipulate, perfoliate leaves): 

 flowers racemed; calyx 4-5-toothed; standard erect, 

 rounded, the sides rolling back; keel and wings oblong, 

 nearly straight; stamens 10, distinct: pod stalked in a 

 persistent calyx, pointed, inflated, many-seeded. Plants 

 usually blackened in drying. 



B. tinctoria, R. Br. Bushy, erect to 2 ft., somewhat 

 glacuous: leaves sessile or nearly so, with tiny deciduous 

 stipules; leaflets small, entire, wedged-ovate: racemes 

 many, terminal, loosely few-flowered; flowers yellow, about 

 x /2 in. long, papilionaceous. Dry soil in woods. 



10. MELILOTUS. Sweet Clover. 



Tall, erect annuals or biennials, with sweet-scented 

 herbage and small white or yellow flowers in numerous 

 open racemes: leaflets, 3, oblong: pod ovoid, somewhat exceeding the calyx, 

 1-2-seeded. 



M. alba, Desr. White sweet clover. Bokhara clover. Fig. 184. Two 

 to 5 ft. tall, smooth: leaflets truncate: flowers white, the standard longer than 

 other petals. Europe; common on roadsides. 



M. officinalis, Lam. Yellow sweet clover. Fig. 528. 

 Leaflets obtuse: flowers yellow. Less common than the 

 other. 



11. MEDIC AGO. Medick. 



Clover-like plants with small flowers in heads or 

 short spikes and toothed leaflets: particularly distin- 

 guished by the curved or coiled pod. 



M. sativa, Linn. Alfalfa. Lucerne. Figs. 21, 246, 



529. Erect perennial, with ovate-oblong leaflets and 



short spikes or dense racemes of blue-purple flowers. 



Europe. Grown extensively for forage, being made into hay and also 



ground into "alfalfa meal." 



M. lupulina, Linn. Black medick. Trailing clover-like plant, with obovate 

 leaflets and yellow flowers in heads or very short spikes: pod black when 

 ripe. Europe; common weed East. 



528. Melilotus 

 officinalis. 



529. Medicago sativa. 



