This section is from the book "The Gardener's Monthly And Horticulturist V21", by Thomas Meehan. See also: Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long.
This method of propagation is largely practised by professional Rose growers. The operation may be performed from the end of July to the end of September, and even during the Winter. In certain establishments the propagating house is near the Rose nursery, in which the different varieties are all grouped together. Each plant bears the number belonging to its particular variety in the catalogue, so that the propagator whose duty it is to cut the slips passes from bed to bed, collecting from each of them his bundle of shoots, to which he immediately ties the corresponding number in the catalogue. He lastly wraps them in a damp cloth and deposits them in the entrance of the propagating house. This entrance is a sort of porch, with a second door, which is built either outside or inside the propagating house, so that the two doors are never open at the same time. It also serves as a kind of workshop, in which all the necessary appliances for propagation by cuttings are kept, such as prepared heath mould, thumb pots of different sizes, a set of punches for numbering the labels, a mallet for striking them, and the lead labels themselves. These labels are cut into the form of a long triangle, the base being one-half inch in width, and the sides one and a half inches in length.
The number is struck upside down, on the larger end of the label, which is stuck into the soil with the sharp end downwards. A tray, too, is necessary for carrying the potted cuttings backwards and forwards. It should be made of Pine, and should measure two feet four inches in length by one foot four inches in width, with edges one and a half inches high on the long sides, and six inches high on the narrow ones. The edges on the narrow sides are provided with holes, so that they serve for handles for carrying the tray to and fro. The shoots are cut up into slips, each having three leaves and, consequently, three buds; the joint of the lowest slip is allowed to remain on after having been pared with the pruning knife. The shoot is cut at right angles to its axis, about the twentieth of an inch below a bud. The two upper leaves are generally cut off, as they would be inconveniently in the way when the cuttings were placed under the bell-glass. - Garden.