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HANDBOOK OF NATURE STUDY 



13. Hackberry flowers. 



Sterile and fertile flowers on the same tree ; stamens and 

 greenish calyx lobes five ; ovary provided with two recurved 

 stigmas; flowers appearing in early spring soon after the 

 leaves. 



FIG. 36. HACKBERRY. 

 Twig with fruit and leaves, red uced ; to the left, a flower somewhat enlarged. 



14. Linden flowers. 



The stem of the flower cluster is attached to a leafy 

 bract four to five inches long, and of a conspicuous, whitish 

 color. The flowers are much sought by bees, and if you 



