i8o Wild Bird Guests 



species are arranged according to season and the 

 evergreens in a class by themselves. 



" Various considerations have influenced their 

 choice, beside their comparative attractiveness 

 as food supply; such as beauty of flower, fruit, 

 and form; time and duration of fruiting season; 

 supply of nesting sites and cover; their ability 

 to attract birds away from the cultivated fruits; 

 and last, but not necessarily least, their attrac- 

 tiveness to those insectivorous birds that feed 

 upon the insects that may inhabit them. 



SUMMER 



TREES 



***Morus alba, white mulberry. (Introduced.) 



rubra, native red mulberry. 

 ***Prunus pennsylvanica, bird cherry. 



SHRUBS 



**Amelanchier canadensis, shad bush. 

 ***Cornus alternifolia, blue cornel. 

 *Lonicera tatarica, Tartarian honeysuckle. (In- 

 troduced.) 

 ***Sambucus racemosa, red-berried elder. 



"Among the trees, the fruit of the white mul- 

 berry seems to be even more of a favorite than 



