46 FLORA OF WORCESTER COUNTY. 



JUGLANDACE^:. 



JUGLANS, L. Walnut. 



cinerea, L. Butternut. Quite common. 

 CARYA, Nutt. Hickory. 



alba, Nutt. Shag-bark Hickory. Common. 



porcina, Nutt. Pig-nut Hickory. " 



amara, Nutt. Bitter-nut Hickory. Not " 



MYRICACE^E. 



MYRICA, L. Bayberry. 



Gale, L. Sweet Gale. Wet borders of ponds, 



cerifera, L. Bayberry. Dry sandy soil, 



asplenifolia, Endl. Sweet Fern. Pastures, common. 



CUPULIFER^E. 



BETULA, Tourn. Birch. 



lenta, L. Black Birch. Common. 



lutea, Michx. f. Yellow Birch. " 



populifolia, Ait. Gray " 



papyrifera, Marshall. Paper Birch. Rare in southern 

 part of the county. 



nigra, L. Red Birch. Fitchburg. E. A. Hartwell. 



ALNUS, Tourn. Alder. 



incana, Willd. Speckled Alder. Common. 



serrulata, Willd. Smooth " " 



CORYLUS, Tourn. Hazel-nut. 



Americana, Walt. Wild Hazel-nut. Common. 



rostrata, Ait. Beaked Hazel-nut. 

 OSTRYA, Micheli. Hop-Hornbeam. 



Virginica, Willd. Not rare. 



