Teachers' LEArr.RT 



573 



White pi)ie shoz^'ing last year's and this year's cones. 



6. Where are the seeds borne? Sketch a seed. 



7. What is the shape of the seeds and how are they distributed? 



8. What feeds upon the seeds of pine? 



9. Sketch a closed cone. 



Facts for teacher. — The cone is the fruit of the pine tree and is fornfed from 

 the pistillate flower. The pollen-bearing flowers are catkin-like and are set in a 

 rosette around the end of the growing twigs, looking like yellow stars in June. 

 Even in winter the remains of these flowers may be seen brown and sere still 

 clinging to the end of the twig. Counting all the scales in a cone is a good 

 arithmetic lesson. The sketch of the cone scale should be made from the side 

 toward the base, and it should be broken off from one of the old, open cones. 

 This side should be drawn so as to show the shape and markings of the thickened 

 end of the scale, as these are very different in different species, some being armed 

 with sharp points. The scales are arranged around a central axis, and at the base 

 of each there are two little seeds nestled in twin pockets, shaped purposely to 



