EXERCISE 117 



Problem. In what ways may flowers differ from each other and still carry on the work of seed-making ? 



What to use. Flowers of various kinds ; magnifying glass ; dissecting needles. 



What to do. Examine one flower 'at a time and note in what ways it resembles and in what ways it 

 differs from the first flower studied. Check up the sizes and shapes of the several organs, their markings, 

 their numbers, and their arrangement. 



Record. Describe, following the questions in Exercise 116 and using diagrams. Enter the name of 

 each species studied. 



NOTE. In some species of plants the flowers contain peculiar or unusual structures not mentioned in the study. Make 

 a record, with drawings if possible, of any such found. 



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