Disocactus. See [Phyllocactus].
Disporum, including Prosartes. Liliaceæ.
Seeds may be used; or the plant may be divided in spring before active growth commences.
Dodecatheon, Meadia (American Cowslip). Primulaceæ.
Seeds. The crowns may be divided either in spring or autumn. Cuttings of the whole root can be effectively used, the root being torn off the crown, planted upright, and of course covered with the sandy soil commonly used in this form of propagation.
Dog’s Bane. See [Apocynum]
Dog’s-tooth Violet. See [Erythronium].
Dogwood. See [Cornus].
Dolichos. Leguminosæ.