Stems herbaceous, from a perennial root, glaucous and glabrous, or rarely pubescent, extensively branching from the base, 6 to 20 inches high.

Leaves opposite, ovate-lanceolate, pointed, variable in size, the lower ones often spatulate. Flowers white, two-thirds to seven-eighths of an inch broad, in loose cymose panicles, often drooping; calyx tubular-campanulate, becoming globose and much inflated, about one-half of an inch long, strongly veined, with five triangular, acute lobes; petals five, each two-cleft, with or without a small crown.

In fields, meadows and waste places, New Hampshire to Ontario, New Jersey and Missouri. Native of Europe and naturalized in this country. Flowering in July and August.

Memoir 15 N. Y. State Museum

Plate 52

Bladder Campion; White Ben

Bladder Campion; White Ben - Silene latifolia