. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. dmany others familiar to all. Suckers are underground stems with shoots sent up at ashort distance from the parent plant. These may be taken up withenough root for their support and may then be set out as newplants. Some types of cherries may be propagated by this multiplication of red raspberries, already mentioned, is reallyof this type. The silver-leaved poplar is one


. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. dmany others familiar to all. Suckers are underground stems with shoots sent up at ashort distance from the parent plant. These may be taken up withenough root for their support and may then be set out as newplants. Some types of cherries may be propagated by this multiplication of red raspberries, already mentioned, is reallyof this type. The silver-leaved poplar is one of the worst treesabout sending up too many suckers; their real roots send up 33 34 PROPAGATION BY UNDERGROUND PARTS Dividing and Transplanting.—Probably the best time to divideplants, either herbs or shrubs, is in the late autumn, after the leaveshave fallen. The whole plant may be taken up with plenty of itsroots. The dividing may be done by means of a sharp spade, andby spreading the main parts until they separate. It is usually notnecessary to treat the wounds in any way except to cover themwith soil. The divided plants should be set in their new places as soonas convenient. Fig. 19. Fig. Fig. 19.—The Christmas rose (Helleborus) is propagated by dividing the crown and roots. Fig. 20.—The common peony is propagated by dividing the fleshy roots. Some of thesemay grow without the crown buds but do better with them. PROPAGATION OP BULBOUS PLANTS Propagation of plants by means of bulbs is sometimes calledseparation because the bulbs are vegetative organs that are nat-urally detachable. Using Bulbs of Different Types.—The solid bulb, as found incyclamen of the greenhouse, and in the Indian turnip of the woods, USING BULBS OF DIFFERENT TYPES 35 is sometimes called a corm. Gladiolus, crocus, and bulbous butter-cup (Fig. 23.) are other familiar examples. These solid bulbs re-produce themselves by forming new ones on top or on the sides ofthe old one which dies


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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening