107 
LEGUMINOSJE. (PULSE FAMILY.) 
sessile; lowest calyx-tooth much the longest, all shorter than the 
(rose-red) corolla. (2) 1J. — Meadows, largely cultivated, and natu¬ 
ralized. Flowers fragrant. 
3. X. medium, L. (Zigzag Clover.) Stems ascending, 
zigzag, smoothish; leaflets oblong or elliptical; stipules narrowly 
lanceolate, taper-pointed ; heads roundish , often stalked. 1J. — Dry 
hills, naturalized in Essex County, Massachusetts. — Near No. 2: 
flowers larger and more purple. Leaves spotless. 
* * Corolla white or rose-purple , withering-persistent and turning 
brownish in fading: flowers in umbel-like round heads on a naked 
peduncle , their short stalks reflexed when old. 
4- X* reflexiim, L. (Buffalo Clover.) Stems ascending, 
downy ; leaflets obovate-oblong , finely toothed; stipules leaf-like ; 
caljx-teeth hairy ; pods 3 - 5-seeded. (5) © — W. New York (rare) 
and Western States. — Heads and flowers larger than in No. 2: 
standard rose-red; wings and keel whitish. 
5. X. Stolonifenim, Muhl. (Running Buffalo Clover.) 
Smooth; stems with long runners from the base ; leaflets broadly obo- 
vate or obcordate , minutely toothed; stipules membranaceous , ovate- 
lanceolate; heads loose; pods 2-seeded. lj. —Open woodlands, &c., 
Ohio, westward. — Flowering stems 6' —8' high: blossoms white, 
tinged with purple, as large as in No. 4. 
a X. repens, L. (White Clover.) Smooth ; the slender 
stems spreading and creeping ; leaflets inversely heart-shaped or merely 
notched, obscurely toothed ; stipules scale-like , narrow ; petioles and 
especially the peduncles very long; heads small and loose; pods about 
4-seeded. Tf. — Pastures, waste places, and even in woodlands. Indi¬ 
genous ? — Blossoms white, rarely purplish, turning tawny with age. 
* * * Corolla yellow , persistent and turning chestnut-brown with age , 
at length reflexcd: low annuals. 
'* agrarium, L. (Hop Clover.) Smoothish, somewhat 
upright; leaflets wedge-shaped, all three from the same point (palmate) 
and nearly sessile ; stipules narrow , cohering with the petiole for more 
than half its length. — Sandy fields, &c., introduced. — Slender, 6' - 
12' high. 
8- X. procumbcns, L. (Low Hop Clover.) Stems 
spreading or ascending, pubescent; leaflets wedge-obovate, notched at 
the end ; the lower pair at a small distance from the other (pinnately 
3-fbIiolate) ; stipules ovate , short — Dry fields, naturalized, 3 1 - 6 7 
high; flowers small. 
21. MEHLOXUS, Tourn. Melilot. Sweet Clover. 
Flowers much as in Clover, but in spiked racemes, small : 
corolla deciduous. Pod ovoid, coriaceous, wrinkled, longer than 
