INSECTIVEROUS PLANTS with either sticky glands on the leaves (Fig.28), or with bladders 1–2 mm long on submerged or subterranean leaves (Fig. 28). Very delicate herbs
Leaves (subterranean or in water) with bladders 1–2 mm long (Fig. 24) Lentibulariaceae Swamp plants, submerged or exposed or growing on wet ground. Flowers on erect scapes with or without scale leaves. Corolla blue to purple or white. Leaves basal, linear to linear-spathulate or ovate, often minute, usually absent at flowering time