Figure 2. — On a tree classified as 

 "oTpen-ooned^ " 90 percent or 

 more of the cones it bears 

 are open. Note the charac- 

 teristic globose shape of the 

 cones indicated by the arrows. 



Figure S. — On a tree classified as 

 "intermediate J " between about 

 10 and 90 percent of its cones 

 are serotinous. It is inter- 

 mediate in cone habit. 



