196 HOW TO KNOW WILD FRUITS 



PORTER'S PLUM 

 Prunus Allegheniensis Plum Family 



Fruit. The dark purple globose drupe is 

 small, only about half an inch in diameter. It 

 has a bloom. The flavor is pleasantly acid. 

 The stone has a groove on one side and a slight 

 elevation on the other. August. 



Leaves. The lanceolate or ovate-oblong 

 leaves are finely toothed, and often have a 

 long pointed apex. 



The flowers resemble those of Prunus Ameri- 

 cana. 



This is a low tree or straggling shrub of the 

 Alleghany Bluffs. It seldom bears thorns. 



SLOE. BLACKTHORN 



Prunus spinosa Plum Family 



Fruit. The globose drupe is about half an 

 inch in diameter. It is black, with a bloorn, 

 and grows singly or in pairs from the sides of 

 the branches. The stone has one sharp edge. 



Leaves. The ovate or oblong leaves are 

 obtuse at the apex and narrowed at the base. 



