Corolla. Monopetala, campanulata, quadrifida; laciniis revolutis.
Stamina. Filamenta octo, simplicia. Antheræ bicornes, dorso aristis duabus patentibus instructæ, apice dehiscentes.
Pistillum. Germen inferum. Stylus simplex, staminibus longior. Stigma obtusum.
Pericarpium. Bacca globosa, umbilicata, quadrilocularis.
Semina pauca, parva.
Empalement. Cup very small, above, and permanent.
Blossom. One petal, bell-shaped, four-cleft; segments rolled back.
Chives. Eight threads, simple. Tips with two horns, and furnished with two spreading awns at the back, opening at the points.
Pointal. Seed-bud beneath. Shaft simple, longer than the chives. Summit blunt.
Seed-vessel. A globular berry, with a hollow dimple, and four cells.