Bui. 33, Bureau of Forestry, U. S. Dept. of Agriculture. 



Plate XII. 



Fig. 1. -Western Hemlock, Cas.cade Mountains, Washington. Alti- 

 tude, 2,500 Feet, showing Thick, Rough Bark of Mountain Form. 



Fig. 2.— Western Hemlock, Cascade Mountains, Washington. Alti- 

 tude, 3,000 Feet, showing Thick, Rough Bark of Mountain Form. 



