48 FIELD WORK OR REFERENCE WORK 



5. The harvesting of seeds for future use and the removal 

 of dead summer growths in order to set out bulbs for next 

 spring. 



Note. For city schools where the foregoing exercises cannot 

 be taken as field work, the same and similar topics can be worked 

 up through reference to libraries. The various publications of 

 the United States Department of Agriculture and the reports of 

 the state experiment stations will furnish abundant material for 

 reference. 



