Piping.
This consists in drawing out the young grass, or shoots, from the joints of Pinks, etc., from May to July being the time for doing so. Place them in light, sandy soil, and cover them with a hand-glass. Towards the end of September they may be planted out in beds or potted off in rich, light loam. In either case they must not be planted too deeply. The crust of the soil should be level with the collar of the plant. If the pots are put into a frame the plants will require very little water during winter, but as much air should be given as is possible. In March re-pot them, using 8-1/2-in. pots.
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