970 TRIFOLIUM. | CLASS XVIT. ORDER III. 
2. M. leucan'tha, Koch. (Fig. 1121.) White Melilot. Raceme lax, 
becoming elongated, the keel and wings elongated, the keel and wings 
nearly equal, but shorter than the vexillum; legumes ovate, obtuse, 
bristle pointed, rough, with netted veins, the upper suture, obtuse, 
smooth; leaves obtuse, acutely serrated ; stem erect. 
English Botany, Suppl. t. 2689.—British Flora, ed. 4 vol. i. p. 
274.—Lindley, Synopsis, Suppl. p. 322.—dZ. vulgaris, Willd.— 
Trifolium officinalis, 8. Linn. 
Root somewhat woody, tapering. Stem erect, from one to about 
two feet high, angular, furrowed, smooth, branched, and leafy. 
Leaves upon short stalks, ternate, leaflets of the lower ones ovate, 
the upper oblong, narrow. unequally but sharply toothed, the lateral 
ones numerous, parallel, Stipules small, slender, awlshaped. Jnflo- 
rescence axillary racemes, with long stalks, often paniculated at the 
tops of the stem. lowers numerous, white. Pedicle slender, about 
as long as the calyx, slightly hairy, with a slender bristle-shaped 
bractea at its base. Calyx five ribbed, with nearly equal teeth. 
Corolla having the wings as long as the keel, but shorter than the 
reflexed vexillum. Legume drooping, ovate, pointed with the style, 
netted with elevated lines, smooth, two seeded, scarcely longer than 
the calyx teeth. 
Habitat—VFields and pastures in various parts of England; near 
Edinburgh, and St. David's, Fife, Scotland. 
Biennial ; flowering in July and August. 
——————_ —_— 
GENUS XII. TRIFO'LIUM.—Linyn. J'refoit. 
Nat. Ord. Papiniona’cEx. Linn. 
Gren. Cuar. Calyx tubular, persistent, five cleft or five toothed. 
Corolla persistent. Keel obtuse, shorter than both the vexillum 
and wings. Stamens diadelphous. Legumes ovate, indediscent, 
one or two seeded, rarely oblong, and three or four seeded.—So 
named in allusion to the ternate leaves. 
1. Lacopus, Koch. lowers sessile, collected into a roundish or 
oblong head. Calyx with its mouth surrounded with a callous 
line often hairy. 
1. 7. praten'se, Linn. (Fig 1122.) Common Purple or Meadow 
Trefoil, Weads ovate, often two together, nearly sessile in the axis 
of the involucre; calyx ten ribbed, pubescent, erect in fruit, the teeth 
bristle-shaped, the lower one largest; leaflets ovate, entire; stipules 
ovate, bristle pointed, smooth ; stem ascending. 
English Botany, t. 1770.—Inglish Flora, vol. iii. p. 302.—Hooker, 
British Flora, ed. 4. vol. i p. 275.—Lindley, Synopsis, p. 80. 
Root fibrous, mostly much branched at the crown. Stems ascend- 
ing, round, or slightly angular, nearly smooth below, hairy above, 
