Appalachian-Blue Ridge forests hickories ("Carya" spp.), red maple ("Acer rubrum"), sugar maple ("Acer saccharum"), white ash ("Fraxinus americana"), tulip tree ("Liriodendron tulipifera"), American beech ("Fagus grandifolia"), black cherry ("Prunus serotina"), black birch ("Betula lenta"), black tupelo ("Nyssa sylvatica"), and American elm ("Ulmus americana"). Flowering dogwood ("Cornus florida") is a common understory tree. Central Appalachian pine-oak rocky woodlands occur on lower-elevation hilltops, outcrops, and rocky slopes and have a patchy or open aspect. Pitch pine ("Pinus rigida") and Virginia pine ("Pinus virginiana") are common within their respective ranges. These pines are often mixed with dry-site oaks such as chestnut oak ("Quercus prinus"), bear oak
Fagus Factory are left open and the piers are recessed leaving the glass surface to the front. Gropius describes this transformation by saying, "The role of the walls becomes restricted to that of mere screens stretched between the upright columns of the framework to keep out rain, cold and noise" At the time of the design of Fagus, Gropius was collecting photographs of industrial buildings in the USA to be used for a Deutscher Werkbund publication. The design of these American factories was also a source of inspiration for Fagus. Carl Benscheidt (1858–1947) founded the Fagus company in 1910. He had then