Empalement. Cup one leaf, five-toothed, rough, and remaining.

Blossom one petal; tube very long, thread-shaped, and arched; border flat, five-cleft, equal; the two upper divisions reflexed, the three under ones heart-shaped, nearly equal.

Chives. Threads four, very short, in the mouth of the blossom, of which the two upper protrude without. Tips oblong, blunt.

Pointal. Seed bud oblong-egg-shaped. Shaft thread-shaped, the length of the tube. Summit blunt.

Seed-vessel. Capsule oblong-egg-shaped, tapered, covered, two cells, and splitting at the point in two; the partition opposite to the valves.

Seeds numerous, and angular.

Receptacle fixed to the middle of the partition.

SPECIFIC CHARACTER.

Buchnera, foliis laciniatis, oppositis, fœtidissimis; flores umbellulati, terminales.

Buchnera, with leaves appearing torn, opposite and very stinking; flowers terminate the branches in small umbels.