As to lecture title
No record is currently available for the title of the lecture Wilde gave in Jacksonville, although The Decorative Arts was the one he was giving immediately before and after.
See also note at Dubuque
As to venue and accommodation
No record is currently available for the venue of Wilde's lecture or where he stayed in Jacksonville .
The following directory entry, however, indicates that there was a limited choice, and the venue was likely to have been the Opera House (the former Strawn's Hall, 1861).
Jno. B. Jeffery's Guide and Directory to the Opera Houses, Theatres, Public Halls, Bill Posters, Etc. of the Cities and Towns of America