94 AGRONOMY 



20. Select a representative flower and locate the organs named on 

 page 79. 



21. Distinguish the monocotyledons from the dicotyledons in as 

 many different kinds of flowers as you can find. 



22. Locate the nectar guides and nectaries, if any, in barberry, 

 buttercup, toadflax, catalpa, horse-chestnut, nasturtium, and phlox. 



23. Decide whether the following were produced by hypogynous or 

 epigynous flowers : apple, orange, banana, pear, cranberry, olive, and 

 tomato. 



24. Make a collection of seeds to show as many methods of seed 

 dispersal as possible. Visit the nearest museum for other examples. 



25. Find the two cotyledons in the bean and the single one in the 

 corn. Examine other seeds to discover whether they are monocotyledons 

 or dicotyledons. In which seeds do you find endosperm ? 



References 



Atkinson, " College Botany." 

 Bergen and Caldwell, "Practical Botany." 

 Bergen and Davis, "Principles of Botany." 

 Campbell, " University Text-Book of Botany." 

 Clute, " Laboratory Botany for the High School." 

 Coulter, Barnes, and Cowles, "Textbook of Botany." 

 Green, "Vegetable Physiology." 

 Stevens, " Plant Anatomy." 



