Increased by seeds; or by cuttings inserted in peaty soil with bottom heat.
Rhaphiolepis (Indian Hawthorn). Rosaceæ.
Seeds. Cuttings of firm shoots in a frame.
Rheum (Rhubarb, Pie-plant, Wine-Plant). Polygonaceæ.
Increased by seeds and by divisions. Each division should contain at least one bud on the crown. Seeds may be sown where the plants are to stand, but will not reproduce the varieties.
Rhipsalis, including Lepismium, Pfeiffera. Cacteæ.
Cuttings, after having been dried for a few days, should be inserted in coarse gravel or sand. See [Cactus].
Rhodanthe. Compositæ.
Propagated by seeds.
Rhodochiton. Scrophularineæ.