BULLETIN No. 8. Vv. Py P19) 
Des Peo AR Ee MeNT OF AGRICULTURE. 
DIVISION OF VEGETABLE PHYSIOLOGY AND PATHOLOGY. 
THE PRINCIPAL DISEASES 
CITROUS FRUITS IN FLORIDA. 
BY 
WALTER T. SWINGLE 
AND 
HERBERT J. WEBBER. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
\ 1896. 
