FLORA OF WORCESTER COUNTY. 



47 



Carpinus, L. Hornbeam. 



Caroliniana, Walter. Common. 

 QuERCUs, L. Oak. 



alba, L. White Oak. Common. 



macrocarpa, Michx. Bur Oak. -Worcester. 



bicolor, Willd. Swamp White Oak. Not rare. 



Prinus, L. Chestnut-Oak. Common. 



" " var. monticola, Michx. " 



prinoides, Willd. . Not rare. 



rubra, L. Red Oak. Common. 



coccinea, Wang. Scarlet Oak. " 

 " " var. tinctoria, Gray. Black Oak. " 



ilicifolia, Wang. Scrub-Oak. " 

 Castanea, Tourn. Chestnut. 



sativa, Mill., var. Americana, Michx. Common. 

 Fagus, Tourn. Beech. 



ferruginea, Ait. Common. 



SALICACE^. 



Salix, Tourn. Willow. 



nigra. Marsh. Black Willow. Not rare, 



lucida, Muhl. Shining Willow. Common. 



*fragilis, L. Crack Willow. Worcester. Prof. Eaton. 

 *alba, L. White Willow. Not common. 



* " " var. vitellina, Koch. Southbridge. 



L. E. Ajtwiidoivn. 

 rostrata, Richardson. Princeton. W. W. B. d^ J. F. C. 

 discolor, Muhl. Glaucous Willow. Common, 



humilis, Marsh. Prairie Willow. Not " 



tristis, Ait. Dwarf Gray Willow. Uxbridge. 



Thos. Morong. 



