Native. Annual. Propagates by seeds.

Time of bloom: June to August.

Seed-time: Late July to October.

Range: Quebec to the Northwest Territory, southward to Maryland, Tennessee, and Colorado.

Habitat: Sandy or gravelly soil; shores of streams and lakes, road embankments, moist, sandy fields.

Fig. 140.- Bulbous Cress (Cardamine bul-bosa). X 1/4.

An unpleasant weed, with fetid odor and acrid juices, the whole plant glandular and clammy-hairy, even to its pods. Stem six inches to two feet tall, with slender ascending branches. Leaves alternate, dark green, with three oblong leaflets, tapering to each end, on slender petioles about as long as the central blade. Flowers in the upper axils, forming long, leafy, terminal racemes; corolla of four yellowish white or pinkish petals, notched at the outer edge, with a tassel of many unequal pinkish purple stamens in the center: four purplish pointed sepals, soon falling away. Capsule one to nearly two inches long, erect on spreading pedicels, one-celled, thin, rough, net-veined, crammed with rough, brown seeds. (Fig. 141.)

Means Of Control

Close cutting or pulling before the formation of seed.