Trees as Good Citizens |
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acorns American Elm aphid appearance applied arsenate attacks bark beauty Beech beetle Bordeaux mixture borer branches California CALIFORNIA SYCAMORE caterpillars cause cavity creosote damage decay description and remedies disease effect eggs English Elm feed feet foliage galls Ginkgo green ground growing growth grubs Habits hatch highway hole Horse Chestnut important inch infested injury kerosene kerosene emulsion larvæ lead arsenate leaf LEAF-CHEWING leaves limbs Lincoln Highway memorial tree miscible oil mixture moisture moth necessary Norway Maple nursery Park Pecan poison Poplar possible prevent protection pruning remedies under Elm removed Roads of Remembrance roadside SAP-SUCKING scale insects serious shade tree shellac sidewalk Silver Maple soap soil species spraying spring SSS SSS SSS SSSS street tree strip Sugar Maple surface Sycamore tion transplanted treatment tree planting tree's trunk twigs Walnut Willow Oak winter wire wood wound young
Popular passages
Page 19 - THE groves were God's first temples. Ere man learned To hew the shaft, and lay the architrave. And spread the roof above them, — ere he framed The lofty vault, to gather and roll back The sound of anthems ; in the darkling wood, Amidst the cool and silence, he knelt down, And offered to the Mightiest solemn thanks And supplication.
Page 235 - ... cost of tree planting against the adjacent property owners at a proportional cost per front foot and to provide for maintenance out of a general fund. Boulevards and other unusual developments are sometimes maintained with satisfactory results by regular assessments against the abutting properties. After a proper governing board is provided, the securing of a competent executive is a matter of ordinary business procedure. It is usually desirable that he shall be not only a good executive but...
Page 180 - FtG. 33. — Sugar-maple borer and work : 1, Place where egg was laid ; la, another more than normally discolored and showing borings thrown out by borer ; t, grub in September from egg laid the same settson ; 3, grub nearly full grown ; .'t, beetle ; 5, hole through which beetle escaped ; 6, borings packed in burrow.
Page 67 - PEPPER TREE." The California pepper tree (fig. 23) is much used in regions 2 and 3 and in the western part of region 5. It is a moderate-sized, broadheaded tree with fine foliage, which gives it a light, airy appearance. During the fall and winter it is covered with scarlet berries, which in contrast with the persistent foliage produce a pleasing effect. POPLAR.
Page 55 - ... regions 11, 12, and 13. It has large, thick, glossy leaves, and in the warmer regions it is almost evergreen. It is readily transplanted, but as it is not so common in the woods as the willow oak and the water oak it has not been so much used as a street tree. The live oak50 (fig.
Page 184 - ... treated. When used on the apple the following formula is quite satisfactory for general orchard work : Copper sulphate (bluestone) pounds.
Page 184 - ... by the Bureau of Entomology of the United States Department of Agriculture, as well as by numerous experiment-station entomologists, notably by Profs.
Page 184 - Side view of single egg, still more enlarged. 2. Recently hatched larva or grub, much enlarged. 3. Full grown larva or grub, much enlarged. 4. Pupa, much enlarged. 5. Overwintered beetle, much enlarged. 6. Fresh, brightly colored beetle, much enlarged. 7. Leaf showing eating of larvae or grubs and a few holes eaten by beetles, eggs in clusters, cast larval skins and full grown larvae, natural size. 8. Leaf nearly skeletonized by grubs of larvae and on it three cast larval skins, natural size. 9....
Page 184 - Water gallons.. 50, or gallons.. 5 Directions for making.— To make Bordeaux mixture for use in an ordinary barrel sprayer, dissolve the bluestone in 25 gallons of water and in a separate container, slake the stone lime, and dilute with water to 25 gallons. The two solutions then should be poured simultaneously through a strainer into the spray tank. Stock solutions, especially where large quantities are to be used, are desirable, since they save time. A stock solution of bluestone...
Page 184 - ... carbonate than the concentrated liquid. Add water to the carbonate to make a thin paste, pour on about half of the diluted ammonia, and stir vigorously for several minutes; allow it to settle and pour off the solution, leaving the undissolved salt behind. Repeat this operation, using small portions of the remaining ammonia water until all the carbonate is dissolved, being careful to use no more ammonia than is necessary to complete the solution. Then, after adding the remainder of the required...