poLfjx.nio.y 



iSi 



flower tlie insect \isits another near by, possihl)- 

 ont! with a short pistil ; the pollen on its head 

 is now rubbed off and falls upon the stit^ma below 

 and pollinates it, for that is tiie term used when 

 this act takes place. 



The prett)' maiden-pink w ill helj^ us still mr)re 



MAIDKX riNK. 



cicarl}' to understand how cross-pollination is pro- 

 moted in flowers containini;' both stamens and 

 pistils. Select a flower that has just opened, the 

 petals of which are spreading; and frin<^ed, whilst 

 from the centre of the flower a cluster of stamens 

 projects w ith the pollen mature and easil)- shaken 



