“Have the patient completely empty his bladder, then walk with him back to his bed.”

“Attached to it is a bladder containing air. If we squeeze the bladder, it produces, of course, pressure on the surface of the water.”

“Evelyn reported buckbeans in bloom and she thinks she saw some purple bladderwort as well.”

“Among them are a bladderwort, a butterwort, two kinds of pitcher plant, and three kinds of sundew.”

“Lakes and ponds have buttonbush, pickerel weed, bulltongue arrowhead, horned bladderwort, water milfoil, and water-shield growing in the water.”