DIDYNAMIA GYMNOSPERMIA. Four unequal Stamens. Naked Seeds.

ESSENTIAL GENERIC CHARACTER.

Calyx laciniâ summâ majore. Corolla resupinata, ringens; tubo sursùm gibbo vel calcarato.

Cup with the upper division largest. Blossom lying on its back, gaping; tube with a spur above or swelled out.

SPECIFIC CHARACTER.

Plectranthus racemis bracteatis, bracteis deciduis; foliis ovatis, crenatis, pubescentibus, rugosis, per petioles decurrentibus: corollæ labio superiore emarginato brevissimo; inferiore subovato, concavo, hirsuto.

Plectranthus with bracts to the bunches, bracts falling off: the leaves oval, scolloped, downy and wrinkled, running down the footstalks; the upper lip of the blossom short, and slightly notched; the lower nearly ovate, compressed and hairy.

REFERENCE TO THE PLATE.

1. The empalement.
2. A blossom with the segments cut off to expose the chives.
3. The seed-bud and pointal, summit magnified.