Bui. 545, U. S. Dept. of Agriculture. 
PLATE IX. 
View Showing How Closely Sheep Graze Pine Grass in the Spring of the Year. 
The fibrous woody roots and the fact that it forms a turf renders it almost proof against trampling and close 
grazing. Pine grass is one of the hardiest and most prolific grazing plants in the Wallowa Mountains. 
