Cor. infundibuliformis subæqualis curva. Calycis unico dente truncato. Semina 2 s. 4 nuda (Stam. 2 s. 4.)
Specific Character and Synonyms.
VERBENA Aubletia tetrandra, spicis laxis solitariis, foliis trifidis incisis. Ait. Kew. v. 1. p. 33.
VERBENA Aubletia tetrandra, spicis solitariis, coroliis fasciculatis, foliis cordatis inciso-serratis. Linn. Syst. Vegetab. ed. 14. Murr. p. 66. Suppl. Pl. p. 86.
BUCHNERA canadensis Linn. Syst. Vegetab. ed. 13. p. 478.
VERBENA Aubletia. Jacq. hort. v. 2. p. 82. t. 176.
OBLETIA Journ. de Rozier introd. 1. p. 367. t. 2.
It has fallen to the lot of this plant to have an unusual degree of attention bestowed on it by various botanists, and after being regarded as a distinct genus by several, to be finally classed with the Verbena; in the Supplementum Plantarum of the younger Linnæus it is minutely described.
We learn from the Hortus Kewensis of Mr. Aiton that it is a native of North-America, introduced by Mons. Richard in 1774, and that it flowers in June and July.