A POLLEN-BEARING 

 GRAPEVINE 



Plant i of the grape ffiffrr a» to the 

 character of their float >mr haxr 



almoit perfect hlo$»oms; //< s nrr 

 staminatc. or, at mott, have only a rudi' 

 mentor y ovary. The grape thus occu- 

 pie* an intermediate podtion between 

 thoie plants that ahcayM bear perfect 

 flowrrg and those that always bear the 

 stamens and pistils on separate blos- 

 soms. The various arrangements sug- 

 gest the need of cross-fertOhaHon in 

 the economy of plant life. 



