U.S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
♦ 
Bulletin No. 20. 
THE 
ROOT-KNOT DISEASE 
OF THE 
PEACH, ORANGE, and OTHER PLANTS 
FLORIDA, 
DUE TO THE WORK OF ANGUILLULA. 
PREPARED, UNDER THE DIRECTION OF THE ENTOMOLOGIST, 
BY 
J. C. NEAL, Ph. D., M. D. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1889. 
23495— Bull. 20 1 
