GROWTH AND REPRODUCTION. 2i-» 



istic passivity of plants. This is emphatically their line of development; 

 but, be it observed, that though in the flowering plants the nutritive 

 generation has dwarfed, and included the sexual, which seem indeed 

 to be mere organs, — the pollen-grain and embryo sac, — yet it is 

 through and for these that we have all the glory of the flower (see fig. 

 p. 195). In animals, with their emphatically active line of develop- 

 ment, the reproductive generation is the higher; and in the higher 

 forms the separate asexual existence is wholly lost. 



