Dragon’s Head. See [Dracocephalum].

Dragon-tree. See [Dracæna].

Drimys, Wintera. Magnoliaceæ.

Cuttings made of half-ripened shoots should be inserted in a frame.

Drosera (Sundew). Droseraceæ.

Seeds, sown as soon as possible after gathering. D. binata is increased by cutting roots from strong plants into pieces of one-half or one inch in length, and placing them on the surface of shallow earthenware pans, in sandy peat soil, and covering about one-half inch deep with the same material. They are then placed under a bell-glass, and transferred to a damp, warm propagating house.

Drosophyllum. Droseraceæ.

Propagated by seed.

Dutchman’s Pipe. See [Aristolochia].

Duvaua. Anacardiaceæ.