Spring Flora of Oklahoma 
130 
FAMILY 67. QLEACEiE. Olive Family. 
Shrubs or trees. Leaves opposite, simple! or odd-pin¬ 
nate, without stipules. Flowers usually in forking cymes, 
small, white, greenish or yellow, bi-sexual or uni-sexual. 
Calyx free from the ovary, 4-lobed or wanting. Corolla 
hypogynous, regular, 4-parted or of 4 separate petals, 
sometimes wanting. Stamens 2, borne on the petals or 
hypogynous. Ovary 2-celled. Fruit 1-2-celled, each cell 
1-seeded, rarely 2-seeded. 
Fruit a loculicidal capsule; leaves simple; flowers com¬ 
plete. I. Syringa. 
Fruit a samara; leaves pinnate; flowers dioecious or 
polygamous. II. Fraxinus. 
Fruit a drupe or berry; leaves simple. 
III. Forestiera. 
I. SYRINGA L. 
Shrubs, with much-branched stems. Leaves opposite, 
entire. Flowers gamopetalous, in dense, terminal pan¬ 
icles or thyrses. Calyx-lobes unequal. Corolla white or 
purple, tube cylindric, lobes 4. Ovary 2-celled. Styles 
united, elongated. Stigma 2-cleft. Ovules 2 in each cav¬ 
ity, pendulous. Capsule coriaceous, narrowly oblong, 
somewhat compressed. Seeds pendulous, compressed, ob¬ 
liquely winged. 
1. Syringia vulgaris L. Lilac. A strong-growing hardy shrub. 
Leaves ovate, somewhat heart-shaped. Flowers sweet-scented, in 
very close, large clusters, lilac or white. Corolla lobes concave. 
Cultivated. 
II. FRAXINUS (Tomli.) L. 
Trees, with opposite and odd-pinnate leaves, and small, 
dioecious or polygamous, greenish-fasciculate or race¬ 
mose-fasciculate flowers. Calyx small, 4-cleft, irregular- 
