llutmn*stty nf ArtEnua 



Agricultural Experiment Station 



VOLUME IX 



BOTANICAL 



of the 



Arizona Agricultural Experiment Station 



Publications 



> 



consisting of 



BULLETINS 85-95 



ANNUAL REPORTS 1918-1921 



TIMELY HINTS FOR FARMERS 136-139 



AND 



EXPERIMENT STATION CIRCULARS 33-41 



Tucson, Arizona, 1918-1921 



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