176 THE INDIVIDUAL ORGANISM 



and functioning have to do with the perpetuation of the race, and will be 

 discussed in that connection; but just as sex in animals affects many 

 aspects of their functioning as individuals, so do the reproductive adapta- 

 tions of plants affect them. The roles of individual and of member-of-a- 

 race are played simultaneously by every organism, and interact upon 

 one another in many ways. Our account of the plant, even considered 

 merely as an individual organism, will therefore not be complete until 

 the reproductive processes and structures have been treated in Chap. 

 XVII. 



