Vandellia
(named in honour of Dominico Vandelli, Professor of Botany at Lisbon, who wrote a work on Portuguese plants in 1623). Including Tittmannia (of Reichenbach). ORD. Scrophularineae. A genus embracing about thirty species of stove, greenhouse, or hardy, often annual, branched herbs, inhabiting warm regions. Flowers rather small, solitary in the axils, sessile or pedicellate, or in terminal recemes; calyx five-parted or five-toothed; corolla bilabiate, the upper lip emarginate or shortly bifid, the lower one large, three-lobed; stamens five, perfect. Leaves opposite, often toothed. The few species introduced are now probably lost to cultivation.