DADAXT SYSTEM OF BEEKEEPING 



93 



the waters receded. Polygonums or knot weeds, (smartweed) 

 especially of the variety persicaria, also called heartsease ; Spanish 

 needles or bidens, also called burr-marigolds; boneset and nu- 

 merous other low land plants, formed great fields of variegated 

 colors, yielding splendid golden honey. 



Fig. 52. Map of the Dadant Apiaries in 1919 

 Each circle has a diameter of 4 miles, 



