WASHINGTON, AND MARION COUNTIES. 53 



Genus Carya, Hickory. 



579. Pecan-nut, Carya olivseformis (Nutt.) 



580. Shell-bark Hickory, C. alba (Nutt.) 



581. Small-fruited Hickory, C. microcarpa (Nutt.) 



582. Large- fruited Shell-bark Hickory, C. sulcata (Nutt.) 



583. Mocker nut, C. tomentosa (Nutt.) 



584. Pig-nut Hickory, C. porcina (Nutt.) 



585. Swamp Hickory, C. amara (Nutt.) 



ORDER CUPULIFERE— OAK FAMILY. 



Genus Quereus, Oak. 



586. White Oak, Ouercus alba (L.) 



587. Post-oak, O. obtusiloba (Michx.) 



588. Pur-oak, O. macrocarpa (Micbx.) 



589. Swamp White Oak, O. bicolor (Willd.) 



590. White Chestnut-oak, Q. Prinus (L.) 



591. Mountain Chestnut-oak, O. montana (Willd.) 



592. Yellow Chestnut-oak, O. Muhleubergi (Michx.) 



593. Laurel Oak, O. imbricaria (Michx.) 



594. Black-jack Oak, O. nigra (L.) 



595. Spanish Oak, O. falcata (Michx.) 



596. Scarlet Oak, O. coccinea (Wang.) 



597. Black Oak, O. tinctoria (Bartram.) 



598. Red Oak, O. rubra (L.) 



Genus Caslanca, Chestnut. 



599. American Chestnut, Castanea vesca (L.) 



Genus Fagus, Beech. 



600. Red Beech, Fagus fe'rruginea (Ait.) 



601. White Beech, F. sylvatica (L.) 



Genus Cory/ /is, Hazel-nut. 



602. Wild Hazel-nut, Corylus Americana (Walt.) 



Genus Ostrya, Hop Hornbeam. 



603. Iron-wood, Ostrya Virginica (Willd.) 



Genus Carpiuus, Hornbeam. 



604. Hornbeam, Carpinus Americana (Michx.) 



