A small annual, 3 to 15 inches tall, with three or four alternate branches above, the stems angled or square. Leaves all on the stem and mostly verticillate in fours, oblanceolate or linear-lanceolate, one-half to 1 ½ inches long and about one-eighth of an inch wide, entire, blunt and mucronulate at the apex. Flowers in short-stalked, oval, blunt racemes, about one-third to one-half of an inch thick, purplish green or nearly white; wings triangular-ovate, sessile, somewhat heart-shaped, pointed or awned, one-fourth of an inch long or less, longer than the pods; crest of the corolla minute; seeds oblong and somewhat hairy.
Memoir 15 N. Y. State Museum
B. Cross-Leaved Or Marsh Milkwort - Polygala cruciata