Vor. II.] PEA FAMILY. 273 
4. Medicago Arabica All. Spotted Medic. (Fig. 2067.) 
Medicago Arabica All, Fl. Ped. 1: 315. 1785. 
Medicago maculata Sibth. Fl. Oxon, 232. 1794. 
Annual, glabrous, or sometimes with a few 
spreading hairs, closely resembling the preceding 
species, but generally stouter. Leaflets often 
nearly 1’ long, and with a conspicuous dark spot 
or spots near the centre; pod nearly globose, of 3 
or 4 compactly wound coils, reticulate-veined on 
the sides, the edge thicker and furrowed between 
the marginal rows of curved prickles. 
In waste places and ballast, New Brunswick to 
Pennsylvania. Also on the Pacific Coast. Fugitive 
or adventive from Europe. Summer. Called also 
Bur-, Heart- or Spotted-clover, Heart-trefoil, and 
Heart-leaf. 
« 
11. MELILOTUS Juss. Gen. Pl. 356. 1789. 
Annual or biennial herbs, with 3-foliolate petioled leaves, dentate leaflets, their veins 
commonly ending in the teeth, and small white or yellow flowers in slender racemes. 
Calyx-teeth short, nearly equal; standard obovate or oblong; wings oblong; keel obtuse. 
Stamens diadelphous; anthers all alike. Ovary sessile or stipitate, few-ovuled; style fili- 
form. Pod ovoid or globose, straight, indehiscent or finally 2-valved. Seeds solitary or 
few. [Greek, Honey-lotus. ] 
About 20 species, natives of Europe, Africa and Asia, 
Flowers white; standard a little longer than the wings. 1. M. alba. 
Flowers yellow; standard about equalling the wings. 2. M. officinalis. 
1. Melilotus alba Desy. White Melilot. White Sweet-clover. (Fig. 2068.) 
Melilotus alba Desv. in Lam. Encycl. 4:63. 1797. 
Dich o@s vulgaris Willd. Enum. Hort. Berol. 790. 
1809. 
Erect or ascending, 3°-10° high, branching, gla- 
brous, or the young twigs and leaves finely pubescent. 
Leaves petioled, rather distant; leaflets oblong or 
slightly oblanceolate, serrate, narrowed at the base, 
truncate, emarginate or rounded at the apex, 6//—10/7 
long, 2’/-5’’ wide; stipules subulate; racemes numer- 
ous, slender, 2’-4’ long, often 1-sided; pedicels 1/” 
long or less; flowers white; standard slightly longer 
than the wings; pod ovoid, slightly reticulated, 
glabrous, 1%’’ long. 
In waste places, frequent throughout our area and in 
the southern States. Adventive or naturalized from 
Europe, and native also of Asia. Called also Honey- 
lotus, Cabul-, Tree- or Bokhara-clover, Leaves fragrant 
in drying, as in other species of the genus. June-—Noy. 
18 
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