Amongst useful stove-flowering plants this Plumbago should be extensively grown for decorative purposes. There are objections urged against it as useless for cutting, for which purpose it is not suitable, unless flowers are required only for one evening, for such as dinner-table purposes, etc. Nevertheless this one drawback, great though it may appear to some, is not sufficient reason for discarding it entirely. Its value for decoration alone, justifies us in recommending it to be largely grown by those who have flowers to produce in quantity during the dreary days of winter. In few private places are all the flowers that have to be grown used for cutting purposes. Greenhouses, conservatories, etc, have to be kept gay in the majority of cases, besides those employed for other purposes. For effectiveness in stoves, the Plumbago is invaluable. The flowers individually do not last long, but they are produced in such succession as to maintain the plant gay over its entire blooming season, which is not of short duration. Few plants are better adapted for arranging amongst Crotons, Dracaenas, and others of a stiff and formal growth, the stiffness and formality of which the Plumbago relieves.

It is of easy cultivation, and requires but little skill to grow it to perfection with but moderate convenience. Young plants annually produced in spring by means of cuttings do the best. The month of April is a good time to insert the cuttings, for if taken earlier the young shoots frequently produce flowers, and in consequence do not make such rapid progress afterwards. The side shoots, when about 1 inch in length, should be taken for cuttings, which root as readily as Verbenas if placed in 5-inch pots in sandy soil, and placed in a close frame. When rooted, and before the roots become matted together, they should be placed singly in 3-inch pots, and placed in the shade for a short time until fresh growth commences. No better place can be selected for them than under the shade of Cucumbers and Melons during their early stages. When afforded a warm moist temperature they grow rapidly, and soon require to be pinched well back. It is useless to merely remove the point, as they invariably only break one growth; but when pinched well back into the harder wood, more shoots are produced.

When the pots are full of roots they should be transferred into 5 and 6 inch pots, which are large enough for all decorative purposes; and in these sizes plants can be produced carrying from six to ten shoots. The soil should consist of good loam and a seventh of thoroughly decomposed manure, with sufficient sand to render the whole porous. In potting, the soil should be pressed firmly into the pots. After potting they should remain in the shade for a time, and then be grown closer to the glass, where more light and air can be given them to harden and ripen the growth as it is produced, as upon this depends to a large extent whether the plants flower well or not. If well grown they will produce panicles of flowers from 18 inches to 2 feet in length. The shoots should not be stopped later than the middle of the present month, or they will not flower satisfactorily. When pinching the last time a number of the tops of the shoots should be inserted in 3 or 4 inch pots, say from five to seven cuttings in each. These when well managed make very handsome little plants to stand near the edge of the stage, and well repay any little trouble they may entail. They should not be stopped after being rooted or grown in strong heat, but treated similarly in every respect to those in larger pots.

Plumbagos will do well in cold frames for a time during the hottest month of the year, but must not be allowed to remain in them when the nights turn cold. The plants soon show signs of being starved by the short-jointed wood they commence to make. This being perceptible, they must at once be removed to warmer quarters, where the temperature will not fall below 55°, which will suit them until they come into flower.

During the growing season the plants require a good supply of water both at the roots and upon the foliage, with frequent applications of liquid manure when they have filled their flowering-pots with roots. Thrip and red-spider frequently attack them if allowed to suffer for want of water at any time; but if they do not get a check, and the syringe is freely used, the spider can be kept down.

The old P. rosea, in addition to this variety, although not so striking in colour, is really worth growing. Wm. Bardney.