148 Proceedings of the Ohio State Academy of Science 



I. Hamamelis virginiana L. AA' itch-hazel. A shrub or 

 small tree with 2-ranke(l leaves and stalked buds. Blooms in 

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

 Minn.. Mo., I'la., 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 w^alnut. Used for furniture, veneer, wooden plates, 

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

 Conn., N. Y. and Ohio, to Fla., Ill, ^lo., and Mex. 



Platanaceae. Planetree. Family. 



31, Platanus. L. Planetree. 



Large trees, the twigs with complete stipular rings and the 

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

 spherical head composed of nmnerous nutlets. 



I., Platanus occidentalis L. Sycamore. A very large 

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

 or green bark which peels off 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 btit grows well in ordinary mesophytic conditions. 

 Me. to Ont. and ^linn., Fla., Kan., Tex., and Ohio. 



Sub-class, Choripetalae. 

 Order, Ranales. 



Magnoliaceae. Magnolia Famih-. 



32. Magnolia L. Magnolia. 



Trees or shrubs with bitter aromatic bark, the twigs showing 



