148 Proceedings of the Ohio State Academy of Science 



I. Hamamelis virginiana L. Witch-hazel. A shrub or 

 small tree with 2-ranked leaves and stalked buds. Blooms in 

 late autumn. In low ground and on banks. N. B. and N. S. to 

 Minn., Mo., Fla., Tex., and Ohio. 



30. Liquidambar L. Sweet-gum. 



Large trees with resinous, aromatic sap. Capsules in a 

 dense spinose globular head. 



I. Liquidambar styraciflua L. Sweet-gum. A fine 

 large tree with wide spreading branches, the twigs often covered 

 with corky ridges. Leaves with a peculiar sweet fragrance when 

 crushed. Autumn leaves red, yellow, and brown. Wood valu- 

 able, of medium weight, rather soft, strong, tough, and of fine 

 texture, difficult to season. Sometimes used as a substitute for 

 black walnut. Used for furniture, veneer, wooden plates, 

 plaques, baskets, hat blocks and wagon hubs. In low ground. 

 Conn., N. Y. and Ohio, to Fla., Ill, Mo., and Mex. 



Plafaiiaceac. Planetree Family. 



31. Platanus. L. Planetree. 



Large trees, the twigs with complete stipular rings and the 

 axillary buds covered by the base of the petiole. Fruit in a 

 spherical head composed of numerous nutlets. 



I. Platanus occidentalis L. Sycamore. A A^ery large 

 tree, the largest in the northeastern L'nited States, with whitish 

 or green bark which peels ofi: freely in thin plates ; the largest 

 trunks usually hollow. Autumn leaves brown. Wood rather 

 hard, compact, coarse-grained, difficult to split, tough, and of a 

 light-brown color ; used for tobacco boxes, cooperage, cabinet- 

 work, and finishing lumber. Along the banks of streams and in 

 moist ground but grows well in ordinary mesophytic conditions. 

 Me. to Ont. and Alinn., Fla., Kan., Tex., and Ohio. 



Sub-class, Choripetalae. 

 Order, Ranales. 



- Magnoliaceae. Magnolia Family. 



32, Magnolia L. Magnolia. 



Trees or shrubs with bitter aromatic bark, the twigs showing 



