FLOWERS. 



49 



little glands are supposed to be, and no doubt are, organs 



of secretion. 



These are all in- 

 teresting items in the 

 study of the beautiful 

 and almost endless va- 

 riety of forms Avhich 

 tlie different classes of 

 fruit trees, and even 

 different varieties of 

 the same class, exhibit 



(■■ 



Fig. 33. 



Fig. 33. 



Fig. 32, . leaf of the peach, with globular 



glands ; Fig. 33, the same, with reuiforui, or 



kidiie>-shaped glands. 



in their foliasre. 



Section 6. — Flowers. 



let. Different Parts of Flowers. — Flowers are the 

 principal reproductive organs of trees, and consist of floral 

 envelopes, the calyx and corolla ; and of sexual organs, 

 stamens, and ^^istils. Fig. 34, Avhich represents a flower 

 C P 



Fig. 34. 

 Figs. 34 to 36. — diffeuent parts of 



Fig. 35. Fig. 



A FLOWER. 



Fig. 34, flower of the peach cut open longitudinally. .4. the calyx; B. the petals; 



C. stamens; D, pistil. Fig. 35, a stamen, ,1, nlament, or stalk; B, anther. 



Fig. 36, the pistil, ^4, ovary; B, style ; C, stigma ; the ovary is cut open to show 



the ovule, D. 



of the peach cut open lengthwise, shows the different 

 parts and their position. 



The Calyx {A, fig. 34,) is the outer covering, and is 

 usually green, like the leaves. Its parts are called sepals. 

 3 



