. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 174 BOUVARDIA BOWIEA flowering greenhouse plants. Though they may be prop- agated by cuttings Inserted in sand in a propagating frame with bottom heat, yet a better and more expedi- tious way is to cut up the largest roots of a healthy plant into pieces about 1 inch in length, placing them thickly in pans of li
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 174 BOUVARDIA BOWIEA flowering greenhouse plants. Though they may be prop- agated by cuttings Inserted in sand in a propagating frame with bottom heat, yet a better and more expedi- tious way is to cut up the largest roots of a healthy plant into pieces about 1 inch in length, placing them thickly in pans of light, peaty soil and covering them to the depth of 1 inch with the same mixture. If the pans are then placed in a warm temperature with bottom heat, every piece will quickly develop one or more buds and grow into a young plant. March is per- haps the best time for propagating. As soon as the young plants are well rooted they should be potted singly into small pots and grown along in a tempera- ture of about 60°. By the end of May the plants may be planted out, either in spent hotbeds or frames prepared with a goodly proportion of leaf-mold mixed with the soil, if fine pot plants is the ultimate aim ; or if grown for cut-flowers only, they may be planted out in the greenhouse benches about 15 inches apart, giving all the air possible and a plentiful supply of moisture. In both cases, the plants must be kept well pinched back to induce a bushy habit, and also to insure a greater profusion of flowers. Towards the end of September those intended for pot plants should be lifted and potted and placed in a close frame for a week or ten days, keeping them moist and well shaded until they have re- covered from lifting. Before the approach of frost they should be removed to the greenhouse and given a tem- perature of 50°. They are very subject to the attacks of mealy bug and green fly. They therefore should be sprayed once a week with an insecticide, with a vapor- izer sprayer, choosing
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