POPULAJK FLOKA. 
143 
* * * Stamens 10, separate (Fig. 355). Petals 5, pea-like. Pod inflated, ( Baptisia ) False-Indigo. 
II. BRASILETTO Subfamily. Corolla sometimes papilionaceous or nearly so, but then with 
the standard within the other petals, generally more or less irregular; the petals overlapping one an- 
other in the bud. Stamens 10 or fewer, separate. 
Trees, with simple round-heart-shaped leaves, but appearing rather later than the papilio- 
naceous purple-red flowers, ( Cercis) Red-bud. 
Herbs, with abruptly pinnate leaves and yellow flowers, not papilionaceous, ( Cassia ) Senna. 
Trees, with the leaves, or some of them, more than once compound. Flowers dioecious 
or polygamous, not at all papilionaceous. 
Stamens 10, and petals 5, on the top of the funnel-shaped tube of the calyx. Pods 
broad and hard. Leaves very large, twice-pinnate, ( Gymnocladus) Kentucky Coffee-tree. 
Stamens and petals 3 to 5, on the bottom of an open calyx. Pods long and flat, hav- 
ing a sweet juice or pulp inside. Leaves, some of them once pinnate, others twice 
pinnate. Tree with compound thorns, (Gledilschia) Honey-Locust. 
in. MIMOSA Subfamily. Flowers very small, in heads or spikes, regular: petals edge to edge in 
tbe bud, and sometimes united below. Leaves generally twice or thrice pinnate. 
Stamens very many and long, yellow or yellowish. (Cult, in greenhouses: some species 
are wild far South), * Acacia. 
Stamens 5. Petals separate, whitish. Pod smooth, ( Desmdnthus ) Desmanthus. 
Stamens 4 or 5. Petals united into a cup, rose-color. Pod bristly, flat, breaking up into 
joints. Leaves closing suddenly when touched, (JL'niosn) * Sensitive-plant. 
Stamens 10 or 12. Petals united into a cup, rose-color. Pod narrow, rough-prickly. 
Leaves rather sensitive. S , ( Schrankia ) Sensitive-Brier. 
Locust-tree. Robinia. 
Flowers showy, in hanging axillary racemes. Stamens diadelphous. Pod flat, several-seeded. 
Leaves odd-pinnate. — Trees, wild in the Southern, cult, in the Northern States. FI. in early summer. 
1 Common Locust-tree. Tree with a pair of spines for stipules ; flowers white, in slender racemes, 
sweet-scented; pod smooth. R. Pseudacacia. 
2. Clammy L. Tree with clammy twigs; racemes thick; calyx purplish ; pod rough. R. viscosa. 
3. Bristly L. or Rose-Acacia. Shrub, with bristly stalks and twigs; flowers large, rose-colored. 
R. Idspida. 
Clover (or Trefoil). Trifblium. 
Flowers many in a head. Calyx persistent, its teeth very slender. Corolla withering away or per- 
sistent after flowering; the petals grown together more or less into a tube below, and the diadelphous 
stamens united with it. Pod generally shorter than the calyx, thin, only one- or few-seeded. Low 
herbs: leaves with 3 leaflets, the stipules adhering to the base of the footstalk (Fig. 136). 
1. Red Clover. Leaflets obovate or oval, with a pale spot on the upper side; flowers rose-red, in a 
dense head with leaves underneath it. Fields, cultivated. T.pratense. 
2. Buffalo C. Leaflets obovate, toothed : flowers rose-colored, pedicelled, in an umbel-like long- 
stalked head. Prairies, &c., W. & S. T. reflexum. 
8. White C. Low, smooth, creeping; leaflets obcordate or notched ; flowers white, in a loose umbel- 
like head, raised on a long stalk. Fields, &c., everywhere. T. repens. 
