Hi woosh,(Darren),
I called in library today and had another look on the 1818 Poll book on micro film and seeing that you were looking for the surname Flowers I had a quick look at it and found the 2 following names so far if they are of any interest.
Page 18.
Residence. Boston
Name. Adland?(not sure of the letter d in the middle)Flowers
Freehold .Wrangle
Page 37
Residence. Dunnington
Name. Henry Flowers
Freehold. Whaplow (could mean Whaplode today)
Kathy