LEGUMINOS.E. (PULSE FAMILY.) 129 



2. T. Stoloniferum, Muhl. (RUNNING BUFFALO-C.) Smooth, peren- 

 nial; stems with long runners from the base ; leaflets broadly obovate or obcordate, 

 minutely toothed ; heads loose ; flowers white, tinged with purple ; pods 2- 

 seeded. Open woodlands and prairies, Ohio and Ky., west to Iowa and Kan. 



3. T. repens, L. (WHITE C.) Smooth, perennial; the slender stems 

 spreading and creeping ; leaflets inversely heart-shaped or merely notched, ob- 

 scurely toothed ; stipules scale-like, narrow ; petioles and especially the pedun- 

 cles very long ; heads small and loose ; calyx much shorter than the u-hite corolla ; 

 pods about 4-seeded. Fields and copses, everywhere. Indigenous only in 

 the northern part of our range, if at all. 



4. T. Carolinianum, Michx. Somewhat pubescent small perennial, 

 procumbent, in tufts ; leaflets wedge-obovate and slightly notched ; stipules 

 ovate, foliaceous ; heads small on slender peduncles ; calyx-teeth lanceolate, 

 nearly equalling the purplish corolla ; standard pointed ; pods 4-seeded. Waste 

 ground near Philadelphia, south to Va., Fla., and Tex. 



T. HYBRIDUM, L. (ALSIKE C.) Resembling T. repens, but the stems 

 erect or ascending, not rooting at the nodes ; flowers rose-tinted. Becoming 

 common. (Nat. from Eu.) 



* * * Flowers short-pedicelled in close heads, reflexed when old ; corolla i/ellow, 

 persistent, turning dry and chestnut-brown with age, the standard becoming 

 hood-shaped ; annuals, fl. in summer. 



T. AGRARIUM, L. (YELLOW or Hop-C.) Smoothish, somewhat upright 

 (6- 12' high) ; leaflets obovate-oblong, all three from the same point (palmate) and 

 nearly sessile; stipules narrow, cohering with the petiole for more than ha/fits 

 length. Sandy fields and roadsides; N. Scotia to Va. ; also in western N. Y. 

 (Nat. from Eu.) 



T. PROCUMUENS, L. (Low Hop-C.) Stems spreading or ascending, pu- 

 bescent (3 - 6' high) ; leaflets wedge-obovate, notched at the end, the lateral at 

 a small distance from the other (pinnately 3-foliolate) ; stipules ovate, short. 

 Sandy fields and roadsides, common. Var. .MINUS, Gray, has smaller heads, 

 the standard not much striate with age. (Nat. from Eu.) 



1O. MEL I LOT US, Tourn. MELILOT. SWEET CLOVER. 



Flowers much as in Trifolium, but in spike-like racemes, small ; corolla de- 

 ciduous, free from the stamen-tube. Pod ovoid, coriaceous, wrinkled, longer 

 than the calyx, scarcely dehiscent, 1 - 2-seeded. Annual or biennial herbs, 

 fragrant in drying, with pinnately 3-foliolate leaves , leaflets toothed. (Name 

 from /j.\t, honey, and AWTOS, some leguminous plant.) 



M. OFFICI^ALIS, Willd. (YELLOW MELILOT.) Upright (2-4 high); 

 leaflets obovate-oblong, obtuse ; corolla yellow ; the petals nearly of equal 

 length. Waste or cultivated grounds. (Adv. from Eu.) 



M. ALBA, Lam. (WHITE M.) Leaflets truncate ; corolla white ; the 

 standard longer than the other petals. In similar places. (Adv. from Eu.) 



11. ME DIG A GO, Tourn. MEDICK. 



Flowers nearly as in Melilotus. Pod 1 - several-seeded, scythe-shaped, in- 

 curved, or variously coiled. Leaves pinnately 3-foliolate ; leaflets toothed ; 

 stipules often cut. (MrjSi*^, the name of Lucerne, because it came to the 

 Greeks from Media.) 



M. SATIVA, L. (LUCERNE. ALFALFA.) Upright, smooth, perennial ; leaf- 

 lets obovate-oblong, toothed; flowers (purple) racemed ; pods spirally twisted. 

 Cultivated for green fodder ; spontaneous from Mass, to Minn, and Kan. 

 (Adv. from Eu.) 



