BURDOCK 



51 



SUPPLEMENTARY WORK 



Burdock Flowers. — After frosts have coine and most of the 

 burs are dry and brown, you can often find small plants that 

 are still in flower. Examine a green bur. Where is its flower ? 

 What is the color of its blossom ? How many florets has it ? 



Burdock Flowers 



What is the shape of a floret ? Find the withered florets on 

 a ripe bur. Compare the hooks on a green bur with the hooks 

 on a ripe bur. On which are the hooks turned outward the 

 most ? 



