Wisconsin State Horticultural Society / Annual report of the Wisconsin State Horticultural Society for the year ending July 1, 1921
Vol. LI (1921)
Toole, William, Sr.
Our Wisconsin native trees, pp. 126-135 PDF (2.6 MB)
WISCONSIN STATE HORTICULTURAL SOCIETY size of the poles shipped from the north part of the state for electric and telephone lines. For a clipped screen or hedge the Arbor Vitae is useful; in cultivation a number of interesting forms have been developed which have proved valuable in the nursery trade. Where there is room the Arbor Vitae is useful for variety, but cannot be our first choice among evergreens. Our Red cedar-Juniperus Communis-is in disgrace, like the Barberry, and perhaps we will be ordered to banish the species. It is said that it harbors and disseminates a fungus which in- jures the leaves and fruit of the apple. In exposed situations the leaves sometimes in the spring become so brown as to be scarcely attractive. The natural habitat of this cedar is rocky hillsides, but it spreads to adjacent woodland pastures, and prob- ably the eastern species-Juniperus virginiana-may have escaped from cultivation and seem to be a native. Next in order comes our willows in great variety, but many kinds are more nearly shrubs than tree-like. Dr. J. J. Davis of the Botany department of the University informs me that we may safely count on the Black willow-Salix nigra-and the peach-leaved willow-Salix amydaloides-as growing into real trees. The latter makes a graceful appearing tree and deserves a place in ornamental planting. The poplars fit well in the forests for landscape effect, and some use could be made of the Quaking poplar-Populus tremu- loides-in ornamental planting. The species ordinarily called Yellow poplar-Populus grandidentate-is useful in the woods as a filler, and adds to the landscape effect. The wood is useful for box material and in cheap cabinet work. There seems to be no special place for it in ornamental planting. The Balsam poplar or Tacamahac-Populus balsamifera- might be used for ornamental purposes in some situations. The fragrant resinous buds in the spring are interesting. It makes 3 better appearing tree than the foreign Balm of Gilead, which is often planted. The Cotton Wood-Populus deltoides-is a useful, quickly growing tree, but the habit of shedding a copious supply of "cot- ton" in the spring, discourages planting it near to dwellings. The walnuts-White walnut or Butternut-Juglans cinerea- and the Black walnut-Juglans nigra-are useful for nuts and 9 129
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