X. THE LOCUSTS, THE YELLOWWOOD, AND THE KENTUCKY COFFEE TREE 129 Common Locust. Honey Locust. Yellowwood. Kentucky Coffee tree. Laburnum. Judas tree. XI. THE LINDENS, THE LIQUIDAMBER, AND THE SASSAFRAS 141 Linden, Basswood. European Linden. Liquidamber, Sweet Gum. Hamamelis. Sassafras. XII. THE MAGNOLIA AND TULIP TREE, THE CATALPA, THE AILANTHUS, AND THE ARALIA 153 Swamp Magnolia, Sweet Bay. Umbrella tree. Cucumber tree. Tulip tree. Catalpa. Ailanthus, Tree of Heaven. Angelica tree, Hercules’ Club. XIII. THE APPLE TREE, PEAR TREE, MOUNTAIN ASH, CHERRY TREE, AND THE SHAD BUSH 167 Common Apple tree. Common Pear tree. Mountain Ash, or Rowan tree. Wild Black Cherry. Choke Cherry. Pin Cherry. Peach tree. Shad Bush. Service Berry, June Berry. XIV. THE WILLOWS AND POPLARS 177 White Willow. Weeping Willow. Black Willow. Aspen, American Aspen. Large-toothed Aspen. Balm of Gilead, Balsam Poplar. Cottonwood, Necklace, or Carolina Poplar. Lombardy Poplar. White Poplar. XV. THE LARCH 187 American Larch. Tamarack or Hackmatack. European Larch. LIST OF ILLUSTRATIONS PAGE Swamp White Oak. _Quercus platanoides_ _Frontispiece_ Cross section of a tree. (Colored plate) 4 Horsechestnut. _Æsculus hippocastanum_ 14 Horsechestnut shoot 16 Section of a Horsechestnut bud. (Colored plate) 18 The Maples. (Colored plate) 20 Sugar Maple. _Acer saccharum_ 22 Trunk of a young Sugar Maple 23 Red Maple. _Acer rubrum_ 24 Trunk of a young Red Maple 25 Silver Maple. _Acer saccharinum_ 26 Moosewood Maple. _Acer pennsylvanicum_ 28 Norway Maple. _Acer platanoides_ 30 Sycamore Maple. _Acer pseudo-platanus_ 32 The Ashes. (Colored plate) 34 American Ash. _Fraxinus americana_ 36 Walnuts and Hickories. (Colored plate) 44 Butternut. _Juglans cinerea_ 46 Trunk of a Butternut 47 Black Walnut. _Juglans nigra_ 48