24 



JUGLANDACE.E. Thk Walnut Family. 



JuGLANS, Liunji3us. Walnut. 



cinerea, Liuii. Butternut. 



Dijrra, Liun. Black Walnut. 

 Oaky A, Nuttall. Hickory. 



alba, Nutt. Shag-Bark Hickory. 



glabra, Torr. Pig-nut or Broom Hickory. 



amara, Nutt, Bitter-nut or Swamp Hickory. 



CUPUL1FER.1E. The Cup-Bearing Family. 



QuEia:us. Linuft'us. Oak. 



raacrocarpa, Michx. Burr Oak. 



alba, Linuaius. White Oak. 



Castauea, Willd. Yellow C?hestnut Oak. 



rubra, Linn. Re I Oak. 



palustris, Du Koi. Pin Oak. 

 €oRYLU.s, Touruefort. Hazel-nut. 



Americana, Waltr. Wild Hazel-nut. 



rostrata. Ait. Beaked Hazel-nut. 

 Caupinus, Linnaeus. Hornbeam, Ironwood. 



Americana, Michx. Water Beech. 

 OsTiiYA, Micheli Hop Hornbeam. 



Virginlca, Willd. Lever-wood. 



BETULACE.li:. TiiH Birch Family. 



Betula, Touruefort. Birch. 



papyracea. Ait. Canoe Birch. 



nigra, Linn. Ked Birca. 



pumila, Linn. Low Birch. 

 Alnl's, Tournetoit. Alder. 



incana, Willd. Speckled Alder. 



serrulata, Ait. Smooth Aider. 



SALICACE.T!:. The Willow Family. 



Sallx, Tournefort. Willow. 



Candida, Willd. Hoary Willow. 



humilis, Marshall. Low Bush Willow. 



tristis. Ait. Dwarf Gray Willow. 



discolor, Muh . Glaucous Willow. 



cordata, Muhl. Heait-leaved Willow. 



fluviatilis, Nuit. 



rostrata, Richardson. Long-Beaked Willow. 



nigra, Marshall. Black Willow. 



lucida, Muhl. Shining Willow. 



longifolia, Muhl. Long-leaved Willow. 



pedicellaris, Pursh. Stalk fruited Willow. 

 PoiTLUS, TcHirnefort. Poplar. 



tremuloides, Michx. American Aspen. 



graudidentata, Michx. Large-toothed Poplar. 



raonilifea, Ait. Cottonwood. 



balsamifera, Linn. Balsam Poplar, 



Sub-Class II. Monocotyledons, i With hut one Cotyledon.) 



ARACE7E. The Arum Family. 



Aris.'K.ma, Martins. Indian Turnip, 

 triphyllum, Torr. 



