23 
BETULACEAE 
Corylus [Tourn.] L. Hazelnut. Filbert. 
americana Walt. Hazelnut. Prof. S. T. Maynard discovered 
some years ago a purple-leaved hazelnut near 
Mt. Toby, which has been propagated as a horti- 
cultural variety. 
rostrata Ait. Beaked Hazelnut. 
Ostrya (Mich.) Scop. Leverwood. 
virginiana (Mill.) K. Koch. Hop Hornbeam. 
Carpinus [Tourn.] L. Ironwood. 
caroliniana Walter. Blue or Water Beech. 
Betula [Tourn.] L. Birch. 
lenta L. Sweet or Black Birch. 
lutea (Michx.) f. Yellow or Gray Birch. 
populifolia Marsh. White or Gray Birch. 
alba L. var. papyrifera (Marsh) Spach. Paper, Canoe or White 
Birch. 
pumila L. Low orSwamp Birch. Amherst region. Eaton Man. 
Alnus [Tourn.] Hill. Alder. 
crispa (Ait.) Pursh. Conway; Deerfield, H. G. Jesup. 
mollis Fernald. Downy Green Alder. Buckland, M. L. Fernald in 
Rhodora, Vol. VI, p. 163. 
incana (L.) Muench. Speckled or Hoary Alder. 
rugosa (Du Roi) Spreng. Smooth Alder. 
BFAGACEAE 
Fagus [Tourn.] L. Beech. 
grandifolia Ehrh. More common on our western border, where 
it forms large forests. 
Castanea [Tourn.] Hill. Chestnut. 
dentata (Marsh.) Borkh. 
Quercus [Tourn.] L. Oak. 
alba L. White Oak. 
bicolor Willd. Swamp White Oak. 
prinoides Willd. Chinquapin Oak. 
Prinus L. Chestnut Oak. 
rubra L. Red Oak. 
palustris Muench. Pin Oak. More or less common in Conn. 
Valley lowlands. 
coccinea Muench. Scarlet Oak. 
velutina Lam. Yellow-barked or Black Oak. 
ilicifolia Wang. Bear or Black Scrub Oak. 
