240 HORTICULTURIST'S RULE-BOOK. 



DIVISION OF MICROSCOPY T. Taylor, Microscopist. 

 OFFICE OF EXPERIMENT STATIONS A. C. True, Director. 



Abstracts of all experiment station and scientific agricultural 

 literature are published monthly in the Experiment Station 

 Becord, issued by the Office of Experiment Stations, Depart- 

 ment of Agriculture. 



