Image from page 335 of "Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse" (1921)
Publisher: New York, A. T. De La Mare co., inc.
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation
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size somewhat likethose of the Kerria. They may be sown as soon as gathered, asthey are slow in germinating; frequently seedlings start at the baseof old plants. RHUS (Sumach). These trees and shrubs have the interestingcharacter of turning brilliant hues in the Autumn. R. Cotinus,the Smoke Tree, is covered during Midsummer with a fringe likegrowth of seed vessels and pedicels. R. glabra, the Smooth Sumach,is one of the handsomest species, on account of its large, odd-pin-nate leaves. R. g. laciniata has the leaflets much cut up, resemblingthe fronds of some Ferns. R. typhina, the Staghorn Sumach, growsfrom 10 to 30 feet high. The leaves are odd-pinnate, having fromII to 31 leaflets. R. copallina, the Shining Sumach, is a shrub, grow-ing from I to 7 feet high and is attractive because of its glossyleaves. R, Toxicodendron and R. vernix are poisonous species; theformer is known as Poison Oak and Poison Ivy, the latter as PoisonSumach, Poison Elder and Poison Dogwood. 332 PLANT CULTURE
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Rhus Cotinus (Smoke Bush) HARDY SHRUBS 333 Propagation. Most species propagate readily from seeds orsuckers from roots. ROBINIA (Locust). The Rose Acacia, R. hispida, is a mostattractive shrub, bearing deep, rose colored flowers in hangingracemes. When grown on its own roots it suckers freely, and whenplanted among choice shrubs it soon appropriates space not intendedfor it. When worked on stocks of the False Acacia, R. Pseudacaciait is a more desirable shrub, but it requires frequent pruning to keepit in shape. Of R. Pseudacacia there are low growing and late-blooming forms; none of them are, however, superior to the type. Propagation. Seeds, suckers, and grafting upon seedlings ofR. Pseudacacia are the best methods of increase. SHEPHERDIA (Buffalo Berry). Under favorable conditionsS. argentea grows into a small tree. The leaves, owing to the presenceof an immense number of small silvery scales, are almost whiteon both sides, and from a distance the plants look as if they werecovered
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