MARYLAND GEOLOGICAL SURVEY 317 



White Willow Salix alba. 



Aspen Populus tremuloides. 



Large-tooth Aspen Populus grandidentata. 



Yellow Birch Betula lutea. 



Sweet Birch Betula lenta. 



Hornbeam Ostrya virginiana. 



Blue Beech Carpinus caroliniana. 



Beech Fagus atropunicea. 



Chestnut Castanea dentata. 



White Oak .Quercus alba. 



Chestnut Oak Quercus prinus. 



Red Oak Quercus rubra. 



Scarlet Oak Quercus coccinea. 



Yellow Oak Quercus velutina. 



Barren Oak Quercus pumila. 



Slippery Elrn Ulmu$ pubescens. 



White Elrn Ulmus americana. 



Eed Mulberry Morus rubra. 



Cucumber-tree Magnolia acuminata. 



Tulip-tree Liriodendron tullpifera. 



Papaw Asimina triloba. 



Sassafras Sassafras sassafras. 



Witch Hazel Hamamelis virginiana. 



Sycamore .Platanns occidentalis. 



Sweet Crab Pyrus coronaria. 



Mountain Ash Pijrus americana. 



Serviceberry Amelanchier canadensis. 



Scarlet Haw Crataeyus coccinea. 



Black Cherry Primus serotina. 



Redbud Cercis canadensis. 



Locust Jf-obinia pseudacacia. 



Stag-horn Sumach Rhus Mrta. 



Dwarf Sumach Rhus copallina. 



Mountain Ma.ple Acer spicatum. 



Striped Maple Acer pennsylranicum. 



Sugar Maple Acer saccharum. 



Red Maple Acer rubrum. 



Basswood Tilia americana. 



Angelica-tree Aralia spinosa. 



Flowering Dogwood Cornus florida. 



Blue Dogwood Cornus alternifolia. 



Black Gum Nyssa sylvatica. 



Great Rhododendron Rhododendron maximum. 



Persimmon Diospyros (viryiniana. 



Black Ash Fraxinus nigra. 



White Ash Fraxinus americana. 



Red Ash Fraxinus pennsylvanica. 



Sheepberry Viburnum lentago. 



