LEGUMINOSiE 



351 



aa. Flowers short-stalked in the heads. 



T. h^bridum, Linn. Alsike clover. Slender, from a prostrate base, 1-3 



fr. : leaflets obcorclate: head small and globular, liglit rose-colored. Europe. 



T. rdpens, Linn. White clover. Small, the stems long-creeping and 



sending up flowering stems 3-12 in. high: leaflets obeordate: heads small, 



white. Common; native, also European. 



T. incarnatum, Linn. Crimson clover. Fig. 408. Stout, 

 hairj', erect plant, I-'IY^ ft., with obovate-oblong leaflets and 

 brilliant crimson flowers in a long stalked head. Europe; now 

 frequently cultivated. 



T. refl6xum, Linn. Buffalo clover. Annual or biennial, 

 pubescent, ascending 8-18 in.: standard purple, keel and wings 

 whitish: leaflets oval or obovate, tinely toothed. Most common 

 in (Central States, from Western New York. 



T. prociimbens, Linn. Hop clover. Annual, slender, procum- 

 bent or 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, 

 ■108. introduced. 



Trifolium x. agfrarium. Linn. Hop clover. Larger: leaflets ovate- 



incaniatura. oi,i,„)g.^ t|,j, terminal one not stalked, and stipules narrow and 

 joined for half their length to the petiole. Introduced. 



9. BAPTtSIA. 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 black- 

 ened in drying. 



B. tinctdria, R. Br. Bushy, erect to 2 ft., some- 

 what glaucous: leaves sessile or nearly so, with tiny 

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

 racemes many, terminal, loosely few flowered : flowers 

 yellow, about K 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. ilba, Linn. White sweet clover. Bokhara 

 clover. Two to 5 ft. tall, smooth : leaflets truncate: 



