22 REPORT ON THE TIMBERS OF THE NORTH 
ORDER JUGLANDACEA—WALNUT. 
1. Genus Juglans. 
White walnut, Juglans cinerea KL.) 
Black walnut, J. nigra (L.) 
2. Genus Carya. 
Pig hickory, Carya glabra (Torr.) 
Shag hickory, C. alba (Nutt.) 
White hickory, C. microcarpa (Nutt.) 
Black hickory, C. tomenlosa (Nutt.) 
ORDER CONIFERA—CONIFERS. 
1. Genus Pinus. 
Pitch pine, Pinus rigida (Miller). 
Yellow pine, P. mitis (Mx.) 
2. Genus Adtes. 
Hemlock, Abies canadensis (Mx.) 
ORDER ACERACEA—MAPLES. 
1. Genus Acer. 
Red maple, Acer rubrum (L.) 
Var. trident, A. rubrum tridens. 
White maple, A. dasycarpum (Ehrh.) 
Sugar maple, A. saccharinum (L.) 
Black sugar maple, A. nigrum (Mx.) 
ORDER MAGNOLICE&. 
1. Genus Magnolia (magnoliads). 
Cucumber tree, Magnolia acuminata (L.) 
Umbrella tree, M. umbrella (Lam.) 
Ear-shaped magnolia, M. fraseri (Walt.) 
2. Genus Liriodendron. 
Tulip tree (yellow poplar), Liriodendron tulipfera (L.) 
ORDER OLEACEA—OLIVEWORTS. 
1. Genus Fraxinus. 
Black ash, Fraxinus sambucifolia (Lam.) 
White ash, F. Americana (L.) 
Blue ash, F. quadrangulata (Mx.) 
