| The flowers of those which we have specified are from one to four inches in diameter, ringent, tubular, or campanulate. |
| It may be known from the other members of the Mint family by its campanulate calyx with ten strong, recurved teeth. |
| Galea campanulate, with very small circular pores, and a short conical apical horn of the same length. |
| Cephalis trilobate, half as long as the campanulate thorax, and one-third as long as the ovate abdomen. |
| The corolla is campanulate, with the tips of the petals not recurved, and the anthers are much shorter than in Billardiera. |
| Thorax campanulate, in the upper half with three short, downwardly diverging, conical wings. |
