6i6 



BOTANY OF CROP PLANTS 



example, out of 95 varieties examined, 85 had perfect 

 flowers, and only 11 had imperfect flowers. 



The staminate flowers are in small clusters, or rarely soli- 

 tary. The calyx tube is turbinate or campanulate, and its 

 limb five-lobed. The corolla is campanulate, deeply five- 

 lobed or five-parted, the lobes acute. The three stamens are 



Fig. 252. — Leaves of A, cucumber (Cucumis sativus) and B. muskmelon 

 (Cucumis melo). X H- 



separate, with short filaments and oblong anthers. The 

 ovary is rudimentary. 



Pistillate flowers are solitary. The calyx and corolla are 

 similar to those described above. The ovary is ovoid or 

 globose, with three to five placentae; the style is single and 

 short, the stigmas obtuse, three in number, and the ovules 

 numerous. The fruit is a pepo varying in shape, size, sur- 

 face characters, and physical and chemical composition. 



Pollination. — Griffin gives data with reference to pollina- 

 tion and fruiting of the cantaloupe. He kepfan account of 



