Pollination: or How to Cross Plants 277 



same flower, as they are in the examples we have studied. 

 In these cases the flower is said to be staminate, or 

 male or sterile, in one case, and pistillate, female or fer- 



FIG. 87. Squash flowers of each sex. 



tile, in the other case. If these two kinds of flowers are 

 borne together on the - same plant, , as in pumpkins, 

 melons, cucumbers, chestnuts, oaks, and begonias, the 

 plant is said to be monoecious; but if the staminate and 



