Walks -with the Children. 



,67 



Samples of wood, bark, and leaves were also obtained 

 and studied. The leaves are noticeably different. The 

 white oak with its broad rounded lobes and sharp narrow 

 sinuses is the very opposite of the pin-oak, whose lobes 



FIG. 41. PIN-OAK. (DRAWN BY HOMER WAGNER.) 



are sharp and whose sinuses are broad and rounded. The 

 fact that both these oaks keep their leaves late into the 

 winter was not unnoticed. 



