Pollination Methods of Some Wild Flowers 



Name of Flower Insect Visitors 

 15. Black-eyed Susan Many insects 



16. Shin-leaf 



17. Mullein 



1 8. Monkey- flower 



19. Forget-me-not 



20. Blue Flag 



Bees and flies 



Pollen collecting bees 

 and flies 



Long-tongued bees 



Flies and bees 



Method of preventing or 

 limiting self pollination, 

 etc. 



Disk-flowers perfect, self- 

 fertilization usual. 



Stigma protrudes and strikes 

 incoming insect. 



Stigma protrudes and strikes 

 incoming bee. 



Two sets of stamens, and 

 sensitive stigma which rolls 

 up after contact with visi- 

 tor, exposing stamens 

 which then shed their 

 pollen. 



Anthers and stigmas so ar- 

 ranged that they are 

 touched by opposite sides 

 of the tongue of visiting 

 insects. 



Bees and bumble bees Stigmatic surface covered by 

 a flexible flap, which in- 

 sect opens as it withdraws 

 proboscis and body from 

 flower, anthers face away 

 from stigma. 



For further data see Gibson's " Blossom Hosts and Insect Guests" 



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