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Plate XXIX. An open allee 12 feet wide and 800 feet long, developedby the use of white birch planted 3 to 4 feet apart in each row. For a per-manent allee of this type the birch is not ideal because of its short-livedcharacteristics and susceptibility to borer. Thorns, or the European beechwould be preferable. (See page 147, group XVI-D-b-i) a. Deciduous trees: Acer ginnale Gleditsia triacanthos Siberian Maple Honey Locust Amelanchier oblongifolia Platanus occidentalis Shad-bush American Plane |
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