Dendrology Lab 1 Hippocastanaceae Aesculus glabra A. hippocastanum* A. flava (octandra) A. carnea Oleaceae Fraxinus americana F. excelsior* F. quadrangulata F. pennsylvanica Chionanthus virginicus Syringa vulgaris* Rutaceae Phellodendron amurense* Simaroubaceae Ailanthus altissima* * Denotes species not native to eastern United States