Bui. 4, U. S. Dept. of Agriculture. 



Plate V. 



The Effect of Elevation on the Development of Timothy. 



An average 3-year-old timothy stand grown at an elevation of 4.800 feet. Xote the length of the 

 panicle, the rank culm development with its bulb-like base, the many leaf blades, and the deep 

 and spreading root system. (Natural size.) 



