University of Arizona 



Agricultural Experiment Station. 



Bulletin No. 38. 



BRARY 

 NEW YORK 

 BOTANICAL 

 GARDEN 



Timely Hints for Farmers. 



Collected, Edited and Illustrated. 



Separately distributed from October i, 1900, to July 1, 1901. 



Tucson, Arizona, July 20, 1901. 



