THE PARTS OF A TREE. 



9 



Fig. 2.— Roots of the Western Hemlock. This young tree started on a fallen 

 Ke«l Fir; its roots spread under the moss and litter, and -when fire came they 

 were exposed. ()lyni])ic Forest Reserve. Washington. 



Fig. 3. — Upturned skeleton roots of a Red Fir. The small roots have been 

 burned away and the others cleared of soil by the fire. Olympic Peninsula, 

 Washinatou. 



