536 



BOTANY. 



A. dasycarpum, the Silver Maple, all of the Eastern United States, 

 furnish timber much used in the manufacture of furniture. 



From the sweet sap of the first much sugar is made in the Northern 

 United States. Its wood also is harder, and is known as Hard Maple, 

 to distinguish it from Soft Maple, derived from the other species. 



A. macropliyllum, the Large Leaved Maple, and A. cirdnatum, the 



FIGS. 490-2. ILLTJSTBATIONS OF ACER PSEUDO-PLATANUS. 



ATWV 



FIG. 492. 



Fig. 490. Section of flower. Magnified. 

 Fig. 492. Kipe fruit. 



Fig. 491. Flower diagram. 



Vine Maple, both of California and Oregon, yield a hard and close- 

 grained timber. 



Negundo aceroides, the Box Elder of the Eastern United States, is a 

 fine ornamental tree. JV. Californicum, of the Pacific Coast, is much 

 like the preceding. 



Sub-Order V. Sapindece. Flowers actinomorphic or zygomor- 

 phic ; seeds without endosperm ; leaves mostly alternate. (Fig. 493.) 



