LEGUMINOS.E. (PULSE FAJIILY.) 129 



2. T. Stoloniferum, Muhl. (Runxixg Bu: falo-C.) Sinowth, peroi- 

 nial ; stems irith lomj runners from the base ; leaflets broadl// obocute or obcordate, 

 miuutely toothed; heads loose; flowers Avhite, tinged with purple; jxjds 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 

 sprearlinrj and creepinf/ ; leaflets inverselij heart-shaped or merely notelied, (j4j- 

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

 cles very long; heads small and loose ; ccdi/x much shorter than the ichite 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 ; caly'x-teetli lanceolate, 



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



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



T. HVBRiDUM, L. (Alsike C.) Eesemldiug T. repens, but the stems 

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

 common. (Xat. from Eu.) 



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

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

 hood-shaped ; annuals, fl. in summer. 



T. agrArium, L. (Yellow or Hop-C.) Smoothisli, somewliat upright 

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

 nearly sessile; stipxdes narrow, cohering with the petiole for more than half its 

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

 (Nat. from Eu.) 



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

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

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

 Sandy fields and roadsides, common. — Var. .■\iixis, Gray, has smaller heads, 

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



10. ME LI 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 jj.€\i, honey, and Awtos, some leguminous plant.) 



M. OFFICINALIS, Willd. (Yellow ^Melilot.) Upright (2-4° high); 

 leaflets obovate-oblong, obtuse ; corolla gellow ; 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. MEDIC 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. (MtjSiktj, tlie name of Lucerne, because it came to the 

 Greeks frum Media.) 



M. sativa, L. (LicERXE. Alfalfa.) Upright, smooth, perennial ; leaf- 

 lets obovate-oblong, toothed : flowers {pur})te) racemed : pods spirally twisted. 

 — Cultivated for green t'odder ; spontaneous from Mass. to Minn. an<,l Kan. 

 (Adv. from Eu.) 



