119 ANNUAL REPORT. 
a JUGLANDACER. Tue WaLnut Famity. 
JuGuans, Linneus. Walnut. 
cinerea, Linn. Butternut. 
nigra, Linn. Black Walnut. 
Carya, Nuttall. Hickory. 
alba, Nutt. Shag-Bark Hickory. 
glabra, Torr. Pig-nut or Broom Hickory. 
amara, Nutt. Bitter-nut or Swamp Hickory. 
CUPULIFERZ. Tue Cup-BEARING FAMILY. 
Quercus, Linnezus. Oak. 
macrocarpa, Michx. Burr Oak. 
alba, Linnzeus. White Oak. 
Castanea, Willd. Yellow Chestnut Oak. 
rubra, Linn. Red Oak. 
palustris, Du Roi. Pin Oak. 
Coryuvs, Tournefort. Hazel-nut. 
Americana, Waltr. Wild Hazel-nut. 
rostrata, Ait. Beaked Hazel-nut. 
Carpinus, Linneus. Hornbeam, Ironwood. 
Americana, Michx. Water Beech. 
OstryA, Micheli. Hop Hornbeam. 
Virginica, Willd. Lever-wood. 
BETULACEM. Tue BircH FaAmMILy. 
Beruta, Tournefort. Birch. 
papyracea, Ait. Canoe Birch. 
nigra, Linn. Red Birch. 
pumila, Linn. Low Birch. 
Atnus, Tournefort. Alder. 
incana, Willd. Speckled Alder. 
serrulata, Ait. Smooth Alder. 
SALICACEH. THE WILLow FaMILy. 
Sauix, Tournefort. Willow. 
candida, Willd. Hoary Willow. 
humilis, Marshall. Low Bush Willow. 
tristis, Ait. Dwarf Gray Willow. 
discolor, Muhl. Glaucous Willow. 
cordata, Muhl. Heart-leaved Willow. 
fluviatilis, Nutt. 
rostrata, Richardson. Long-Beaked Willow. 
nigra, Marshall. Black Willow. 
lucida, Muhl. Shining Willow. 
longifolia, Muhl. Long-leaved Willow. 
pedicellaris, Pursh. Stalk-fruited Willow. 
Porutvs, Tournefort. Poplar. 
tremuloides, Michx. American Aspen. 
grandidentata, Michx. Large-toothed Poplar. 
monilifea, Ait. Cottonwood. 
balsamifera, Linn. Balsam Poplar. 
Sus-Cxass Il. Monocotyledons. (With but one Cotyledon.) 
ARACEA. THE ARUM FAMILY. 
Arisa#Ma, Martius. Indian Turnip. 
triphyllum, Torr. 
