Flower-clusters sessile, or on peduncles shorter than the
subtending leaves --59.

58b. Flower-clusters, or many of them, on peduncles longer than the
leaves --61.

59a. Leaves linear-oblong =Bush Clover, Lespedeza virginica.=

59b. Leaves ovate or oval --60.

60a. Leaves and stem velvety or downy
=Bush Clover, Lespedeza stuvei.=

60b. Leaves and stem glabrous, or with close appressed pubescence
=Bush Clover, Lespedeza frutescens.=

61a. Leaves ovate or broadly elliptical; corolla conspicuously exceeding
the calyx --62.

61b. Leaves linear-oblong; calyx about as long as the corolla
=Bush Clover, Lespedeza manniana.=

62a. Stem erect or ascending --63.

62b. Stem trailing; peduncles much exceeding the leaves
=Bush Clover, Lespedeza procumbens.=

63a. Villous-pubescent; inflorescence dense; some peduncles shorter than
the leaves =Bush Clover, Lespedeza nuttallii.=

63b. Slightly pubescent or glabrous; inflorescence loose, on peduncles
much longer than the leaves =Bush Clover, Lespedeza violacea.=

LINACEAE, the Flax Family

Herbs with simple leaves, and regular flowers, having 5 sepals, 5 yellow
or blue petals, 5 stamens, and 5 styles.

1a. Flowers blue (3-6 dm. high; summer) =Flax, Linum usitatissimum.=

1b. Flowers yellow (3-8 dm. high; summer) (Wild Flax) --2.

2a. Middle stem-leaves below the branches opposite
=Wild Flax, Linum striatum.=

2b. Middle stem-leaves below the branches alternate --3.

3a. Leaves narrowly lanceolate to linear, 1-4 mm. wide --4.

3b. Leaves oblanceolate to oblong, 4-6 mm. wide
=Wild Flax, Linum virginianum.=

4a. Leaves entire =Wild Flax, Linum medium.=

4b. Upper leaves glandular-ciliate =Wild Flax, Linum sulcatum.=

OXALIDACEAE, the Wood Sorrel Family

Herbs, with alternate or basal compound leaves with 3 reverse
heart-shaped leaflets; sepals, petals, and styles each 5; stamens 10.
(Wood Sorrel)

1a. Leaves all basal; flowers white to pink-purple (1-2 dm. high; late
spring) --2.

1b. Stem-leaves present; flowers yellow (1-5 dm. high; spring and
summer) --3.