57. Polygaleae.—Milkwort Family
Plants often with milky juice in roots, low herbs in temperature regions, with leaves mostly simple, entire, dotted, exstipulate. Flowers irregular; sepals 5, the two inner large, petaloid, petals 3, the anterior one larger. Properties: generally bitter (polygala), acrid (senega), or astringent (krameria).
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.