3 2 Trees with Simple Leaves. [A n 



Genus PYRUS L. (Apple, Mt. Ash.) 



NOTE. (See others of same genus, Sec. D, 77.) 



Fig. 15. Crab-Apple. P. coronciria, L. 



Leaves, SIMPLE ; ALTERNATE ; EDGE DISTINCTLY TOOTHED 

 WHEN MATURE ; sometimes nearly three-lobed. 



Outline, egg-shape or oval. Apex, pointed. Base, 

 rounded or somewhat heart-shaped. 



Leaf-stem, one half to one inch long, very slender, downy. 



Leaf, about two to three inches long, two thirds as wide, 

 smooth. 



Flowers, large ; rose-colored and white, in loose clusters 

 of five to ten blossoms, and very fragrant. May. 



Fruit, round, one to one and a half inches in diameter ; 

 yellowish, fragrant, hard, and sour ; fit only for pre- 

 serving. 



Found, from Ontario to Western New York, Pennsyl- 

 vania, and the District of Columbia ; along the 

 Alleghany Mountains, and westward. 



A small tree, ten to twenty feet high, rarely thirty 

 feet, gaining its finest growth in the valleys of the lower 

 Ohio. Often its presence is recognized before it is seen 

 by means of the delightful fragrance of its blossoms. 



The Narrow-leaved Crab- Apple (P. angustifolia, Ait.) 

 is sometimes, though very seldom, found as far north as 

 Southern Pennsylvania. 



Its leaves are narrower and its fruit and flowers 

 smaller than in the northern species. 



