176 WILD FLOWER PRESERVATION 



the flower's own stamens, for they lie beneath 

 it. In 95 B the stamens are above the stigma, 

 but their pollen cannot effectually fertilize the 

 ovules. Even the pollen differs in the two 

 flowers. Pollen grains from the long-styled 

 flower are small and their tubes short, since 

 they have only a little distance to travel down 

 the' short style of the other kind. Those from 

 the short-styled flower are larger, with longer 

 tubes to enable them to reach the ovary at the 

 base of the long-styled flowers. 



ADAPTABLE FLOWERS. 



Some species are able to fertilize themselves 

 should they fail to receive pollen from other 

 flowers. (96) 



MALE AND FEMALE CONDITIONS OF FLOWERS. 



Flowers bearing both stamens and pistil and 

 ripening these at separate times are said to 

 be either in the male or female condition ac- 

 cording to the organ that is mature at any 

 given time. (97, A and B) 



In 97 A the flower is in the male condition, 

 and shows three ripe stamens and two not yet 



