Seeds for the Garden 121 



FIG. 72. The two kinds of flowers borne on a summer squash plant; a, pis- 

 tillate flower, complete ; b, pistillate flower with calyx and corolla removed to 

 show the pistil ; c, staminate flower, complete ; d, staminate flower with calyx 

 and corolla removed to show the cluster of stamens. 



(4) Brussels sprouts, in which the buds on the sides of 

 the stem develop as small heads ; and 



(5) cauliflower, in which the first flowering branches 

 are thickened and fleshy. 



Selection of seed has given us all these different types 

 of the cabbage group, and further selection has also 

 developed many varieties of each of these different types. 

 Thus there are now many kinds of cabbages, differing 

 in size and shape of the head, in color, and in the length 

 of time required for growth. 



Crossing the white scallop pumpkin with the crook- 

 neck pumpkin (usually called summer squash) gives in 

 the second generation many types of fruit, varying in 



