I'OI.I.ISMIOX 



iji) 



that some plants ha\c flowers with stamens onl)', 

 and others containiuL^ onl)' |)istils. A^ain, in the 

 hazel we may see how impossible it is for self- 

 pollination to take place, as, if we examine the 

 pistils, we find that they C(jnsist of scales bearin^^ 

 stainens and pollen onl\', whilst scjmewhere close 

 b\', on the same stem, han^s the prelt\- little red 

 flower which possesses the pistil and forked stit^ma. 



I'NIMKo^K. 



If seed is to be formed in (.-ither of these flowers 

 and in man\' others similarly arrant^ed, then the 

 l)ollen of one flower must be transferred to the 

 stiij^ma of the other. 



There are interestiiii^' facts to be learned about 

 the common primrose. When we examine a little 

 bunch of these flowers wi- fnid (|uite half of them 

 are what children call |)in-eyed, meaning; that the 



