Bui. 343, U. S. Dept. of Agriculture. 



Plate XI. 



- X 



'* ^L :'•'■ 



x 



F-LAB. 24 



Fig. 1.— Western Larch Mechanical Pulp Steamed (Run No. 1). 



F-LAB. 25 



Fig. 2.— Lodgepole Pine (California) Mechanical Pulp Steamed (Run No. 1 ). 



