HOME AND SCHOOL EXERCISES 81 



the flowers for nectar or carried by wind. As insects visit 

 the flowers, the hairs and coats of the bodj^ legs, and wings 

 may be covered witli pollen grains and thus taken from flower 



Fig. 53.- — Large flowers, such aa the poppy, may be used in studying the parts. 



(U. S. D. A.) 



to flower. Some of it will reach the pistils in other flowers. 

 Pollinating by this method or by the wind is called cross- 

 pollinating. Some varieties of strawberries and many other 

 flowers have no true stamens and the pollen must be carried 

 from other flowers (Fig. 54). 



21. Wind and Insect Pollinating. — Compare the blossoms of a 

 showy flower, as one of the fruit blossoms mentioned in the above 

 exercise, with the blossoms of grass or corn. Do any of them have 

 fragrance? Do bees visit all kinds? Which are most attractive in 

 color ? ' Compare the pollen of the two kinds. 



Flowers pollinated by the wind are usually not showy in 

 color. They are usually green or yellowish green. The pollen 

 is light and dry. There is no nectar, and the flower has no 

 special odor. 

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