I5O NATURE STUDY LESSONS FOR PRIMARY GRADES 



watch it and see. Some of these turn out to be 

 branches, others flowers. 



[The flower buds are watched carefully from the 

 time they are big enough to be seen until they open 

 and close, and drawings are made of them, showing 

 how they look at different stages of their growth.] 

 How long do they remain in blossom ? Mark certain 

 flowers and find out. (From morning until after- 

 noon.) Will this same blossom open again to-morrow 

 morning ? Look and see. Can you tell by the looks 

 of a closed flower whether it has blossomed or not ? 

 How ? Picture, side by side, a bud that will open in 

 the morning and one that has opened and closed. 

 What becomes of the flower that is through blos- 

 soming ? How long does its pretty dress the corolla 

 remain on the vine after it is through blossoming ? 

 Watch and see. Why does it fall off ? (It is of no 

 more use.) What was its work ? 



Let us look at this fresh dress. (It is all in one 

 piece, but you can see where five pieces were put 

 together to make it. The seams show.) Let us 

 open it and look at the inside. (The stamens are 

 fastened to the lower part of this dress. There are 

 five of them, one on each piece of its dress.) And 

 do they fall off with the dress ? (Yes.) Are they 



