This section is from "The Horticulturist, And Journal Of Rural Art And Rural Taste", by P. Barry, A. J. Downing, J. Jay Smith, Peter B. Mead, F. W. Woodward, Henry T. Williams. Also available from Amazon: Horticulturist and Journal of Rural Art and Rural Taste.
There is much in the varied hues of the just developing leaves to attract the observer who has an eye for the minor beauties of nature. The expanding leaves of the pear and those of the ash-leaved maple are both of a tender green, but quite unlike, and both are quite different from the near by Virgilia (more properly Cladraitis). Then just beyond is a Weeping Poplar, the young leaves of which are of a brownish green, fonce the French would say, as dark as the neighboring Gingko tree is lively. An artist would describe the foliage of this last-named tree as " gamboge green." Then a little nearer the house is a golden glow from the young leaves of what the nurserymen call Spircea aurea, but which is only a bright-leaved variety of the well-known Nine-bark (Spiraea opulifolia). A little more at the right is the charming purple-leaved variety of the common Barberry, and still farther along are the Purple Hazel and Purple Bush. These last-named are varieties cultivated for their colored foliage, but there is enough in the different shades of the young leaves of trees in their normal condition to make the effects of spring foliage worthy the study of the landscape gardener. I have alluded to the Weeping Poplar, which is one of the most desirable of lawn trees.
Its branches are most decidedly pendulous. It comes out very early, the leaves hold on late, and all through the season its quivering foliage upon the drooping branches makes it a most enjoyable tree. This and similar weeping trees increase in height very slowly, and they are grafted upon upright stocks of some kind. The nurserymen graft all such trees too low. My poplar was grafted at about eight feet, but this is not high enough; the branches already sweep the ground. I am growing a Lombardy Poplar to a straight stem, and when it. gets about fifteen feet or so high I shall graft it with the weeping variety, and hope for a tree worth having. I saw to-day that a neighbor had planted near his house a Weeping Ash, grafted not above six feet high. This will always be a nuisance. Among the many things that dealers abroad praise " within an inch of their lives " it is gratifying to find now and then one that meets the expectations these descriptions have excited. One case of this kind is the:
 
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