. The nursery-book; a complete guide to the multiplication of plants ... Gardening; Plant propagation. PROPAGATION BY BULBELS. 27 more nearly equal portions, as in Lilium. candidum, shown one-third natural size in Fig. ig. The parts may be separated and treated as complete bulbs for purposes of propagation. This division or separation of bulbs proceeds in a diflferent manner in nearly every species, yet it is so obvious that the novice need not be perplexed by it. Almost any breaking apart of these loose bulbs, if only a '' heart'' or central axis remains in each portion, is successful for pur
. The nursery-book; a complete guide to the multiplication of plants ... Gardening; Plant propagation. PROPAGATION BY BULBELS. 27 more nearly equal portions, as in Lilium. candidum, shown one-third natural size in Fig. ig. The parts may be separated and treated as complete bulbs for purposes of propagation. This division or separation of bulbs proceeds in a diflferent manner in nearly every species, yet it is so obvious that the novice need not be perplexed by it. Almost any breaking apart of these loose bulbs, if only a '' heart'' or central axis remains in each portion, is successful for purposes of slow multiplication ; but when flowers are desired it is usually advisable to keep the bulbs as strong and compact as pos- sible. Bulbous plants multiply most easily by means of bulbels âoften also called bulbules and offsetsâor small bulbs which are borne about a large or mother bulb. In some lilies, as Lilium candidum, the bulbels form at the top or crown of the mother bulb, and a circle of roots will be found betiyeen them and the bulb ; in others, as L. speciosum. and L. auratum, they form on the lower part of the flower stalk- In some species the bulbels are few and very large, or even single, and they bloom the following year. In such cases the bulb undergoes a progressive movement from year to year after the manner of rootstocks, the bulb of one year bearing a more or less distinct one above and beyond it, which con- tinues the species, while the old one becomes weak or dies. This method of bulb formation is seen in the cut of Lilium. pardalinum, â Fig. 20. In the hyacinth the bul- bels form at the base of the bulb. Bulbels vary greatly in size and frequency in different species. Sometimes they are no larger than lo. Bulb of Lilium tarda- a grain of wheat the first year, and Knum (xj^). in other plants they are as large as hickory-nuts. In some species they are borne habitually underneath the scales of the mother bulb. These bulbels are often removed when. Pl
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