ILLUSTRATIONS 



Swamp Magnolia, Flowering Spray of, 2 



Umbrella-tree, Leaf of, 7 



Cucumber-tree, Leaf of, 11; Trunk of, 12; Flowering Branch of, 13; Fruit 



of, 13 

 TuLii'-TREE, Leaf of, 15 : Flower of, 17 ; Unfolding Leaves of, 17 ; Fruit Cone 



of, 18 

 Papaw, Leaf of, 21 ; Flower of, 22; Fruit of 23 

 Linden, Lea\'es of, 25 ; Fruit of, 27 ; Trunk of, 28 

 White Basswood, Fruiting Spray of, 31 

 Wafer Ash, F'ruiting Spray of, 33 



Ailanthus, Leaves of, 37 ; Samaras of, 39 ; Sumach Leaflet and, 40 

 Holly, Fruiting Spray of, 43 

 Mountain Holly, Leaf of, 45 

 Burning Bush, Fruiting Spray of, 47 

 Ohio Buckeye, Flowering Spray of, 51 ; Fruit of, 53 

 Sweet Buckeye, Leaflets of, 55 

 Horse-chestnut, Spray of, 57 ; Fruit of, 59 

 Striped Maple, Leaf of, 61; Keys of, 62 

 Mountain Maple, Fruiting Spray of, 63 ; Keys of 65 

 Sugar Maple, Leaves of, 67 ; Keys of 6g ; Trunk of, 71 

 Silver Maple, Flowers of, 74; Leaves of, 75 ; Key of, 76 

 Red Maple, Leaves of, 79; Key of, 80 

 Norway Maple, Fruiting Spray of, 81 

 Sycamore Maple, Fruiting Spray of, 83 

 Box Elder, Keys of, 86 ; Fruiting Spray of, 87 

 Staghorn Sumach, Fruit and Leaf of 89 

 Dwarf Sumach, Leaves of, 93 

 Poison Sumach, Leaves of, 95 



Locust, Leaves of, 99 ; Raceme of Blossoms of 100 ; Fruit of, loi 

 Redbud, Flowering Branch of, 105 ; Leaf of, 107 

 Kentucky Coffee-tree, Flowers of, no; Leaves of, in 

 Honey Locust, Leaves of, 113 

 Yellow-wood, Leaves of, 117 

 Canada Plum, Fruiting Spray of 121 

 Wild Red Cherry, Fruiting Spray of, 123 

 Choke Cherry, Fruiting Spray of, 127 



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