PINE CONE 93 



they will open with sharp clicks, and the seeds will begin to 

 drop out. Wet a cone that has opened ; it will close up and 

 open again when it becomes dry once more. 



Pine seeds are light, and, owing to their wings, are readily 

 blown about by the wind. So young pines spring up many 

 rods away from the parent tree. 



YOUNG CEDARS AROUND PARENT TREE 



Cones on Other Evergreens. All kinds of pine, spruce, fir, 

 hemlock, cypress, and arbor vitae bear their seeds in cones. 

 What is the difference between the cones on a pitch pine and 

 those on a white pine ? Could you tell the cone of a white 

 pine from the cone of a Norway spruce ? What is the differ- 

 ence between a hemlock cone and a pine cone ? How large is 

 the cone on an arbor vitae ? How large are the seeds of an 

 arbor vitae ? 



How do cedars bear their seeds ? What is the difference 

 between cedar seeds and pine seeds ? 



Do you know a cone-bearing tree that sheds all its leaves 

 in the fall ? 



