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Balsam Poplar. Tacamahac Populus balsamifera 79 



Balm of Gilead Populus balsamifera candicans 80 



Cottonwood Populus deltoidea 83 



Lombardy Poplar Populus nigra Italica 84 



White Poplar Populus alba 87 



Black Willow Salix nigra 88 



Glaucous Willow. Pussy Willow Salix discolor 91 



White Willow Salix alba 92 



Weeping Willow Salix Babylonica 95 



BIRCH FAMILY BETULACEvE 



Hornbeam. Blue Beech Carpinus Caroliniana 96 



Hop Hornbeam. Ironwood Ostrya Virginiana 99 



Black Birch. Cherry Birch Betula lenta 1 00 



Yellow Birch Betula lutea 103 



Red Birch. River Birch Betula nigra 104 



Gray Birch Betula populifolia 107 



White Canoe Birch. Paper Birch Betula papyrifera 108 



European White Birch Betula alba in 



Cut-leaved White Birch Betula alba laciniata 112 



Speckled Alder Alnus incana 115 



Smooth Alder Alnus rugosa. A. serrulata 116 



BEECH AND OAK FAMILY FAGACE.E 



Beech Fagus Americana 119 



Chestnut Castanea dentata 120 



Chinquapin Castanea pumila 123 



Red Oak Quercus rubra 124 



Pin Oak Quercus palustris 127 



Scarlet Oak Quercus coccinea 128 



Black Oak. Yellow-bark Oak Quercus velutina 131 



Bear Oak. Scrub Oak Quercus nana. Quercus ilicifolia 132 



Shingle Oak. Laurel Oak Quercus imbricaria 135 



White Oak Quercus alba 136 



Post Oak Quercus minor 139 



Bur Oak. Mossy-cup Oak Quercus macrocarpa 140 



Swamp White Oak Quercus platanoides 143 



Rock Chestnut Oak Quercus prinus 144 



Chinquapin Oak Quercus prinoides 147 



Live Oak Quercus Virginiana 148 



ELM FAMILY ULMACEiE 



White Elm. American Elm Ulmus Americana 151 



Rock Elm. Cork Elm Ulmus Thomasi. Ulmus racemosa 152 



Red Elm. Slippery Elm Ulmus fulva. Ulmus pubescens 155 



English Elm Ulmus campestris 156 



Scotch Elm. Witch Elm Ulmus montana 159 



Hackberry. Sugarberry Celtis occidentalis 160 



(xviii) 



