POLYGALACEAE,  Milkwort Family

Herbs; leaves simple; Dowers hypogynous, zygomorpbic, bisporangiate, in spikes, racemes, or heads; sepals 5, the 3 of the outer circle (the uppermost and the 2 lower) sman, the two inner or lateral ones (wings) larger and petaloid; petals 3, united, the lower one concave and often bearing a fringed crest; stamens 6 or 8, filaments united below in a sheath split on upper side and more or less united with petals; anthers 1-Ioculed, opening by a pore at or near the tip; carpels 2, united; style 1; ovary 2-loculed; capsule 2-seeded.