List of Other Illustrations 



Facing Page 



The Rock or Cork Elm (JJlmus Thomasi) 



The Hackberry {Celtis occidentalis) 



The Red Mulberry {Morus rubra) . 



The Osage Orange (Toxylon pomiferum) . 



The Ear-leaved Magnolia {Magnolia Fraseri) 



The Large-leaved Cucumber Tree (Magnolia macrophylla) 



The Great Laurel Magnolia {Magnolia fcetida) 



The Swamp Magnolia {Magnolia glauca) 



The Umbrella Tree {Magnolia iripetala) . 



The Cucumber Tree (Magnolia acuminata) 



The Tulip Tree (Liriodendron Tulipifera) 



The Sassafras (Sassafras Sassafras) 



The Sassafras (Sassafras Sassafras) 



The Witch Hazel (Hamamelis Virginiana) 



The Sweet Gum (Liquidambar Styraciflua) 



The Sweet Gum (Liquidambar Styraciflua) 



The Sycamore (Platanus occidentalis) 



The Wild Crab Apple (Malus coronaria) . 



The Prairie Crab Apple (Malus loensis) . 



The Narrow-leaved Crab Apple (Malus angustifolia) 



The Mountain Ash (Sorbus Americana) . 



The Service-berry (Amelanchier Canadensis) 



The Service-berry (Amelanchier Canadensis) 



The English Hawthorn (Cratcegus Oxyacantha) 



The Cockspur Thorn (Cratcegus Crus-gallt) 



The Red Haw (Cratcegus mollis) 



The Dotted Haw (Cratcegus punctata) 



The Scarlet Haw (Cratcegus pruinosa) 



The Haw (Cratcegus Boyntoni) 



The Haw (Cratcegus apiomorpha) 



The Scarlet Haw (Cratcegus Arnoldiana) 



The Parsley Haw (Crataegus apii folia) 



The Scarlet Haw (Cratcegus coccinea) 



The Red Haw (Cratcegus mollis) 



The Haw (Cratcegus coccinioides) 



The Washington Thorn (Cratcegus cordata) 



The Long-spine Haw (Cratcegus macracantha) 



The Pear Haw (Cratcegus iomentosa) 



The Canada Plum (Prunus nigra) . 



The Canada Plum (Prunus nigra) . 



XVI 



