Here's a recipe for Guava Jelly:

4 cups guava juice
4 1/2 cups sugar
1/4 cup lime juice
1 package liquid pectin

Place juice and pectin in a large stainless steal pot and bring to a quick boil. Add sugar and bring back to a boil and boil hard for 1 minute,, stirring constantly. Remove from heat, skim, ladle into hot, clean jars and seal. Process in a boiling water bath for 5 minutes. Guava juice-wash 2 quarts of guavas, remove blossom end and cut into slices. Add water to cover, bring to a boil, and boil gently for 15 minutes. Strain through a jelly bag. Reheat juice to boiling and pour into clean hot jars. Seal.
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FYI: A search on Ancestry in 1870 brought up only 1 black family in FL, and 3 black families in Louisiana with surname Hercules. I will post the results on Surnames Forum.

Oddly, there were loads of white families in 1870 with surname Hercules in states like IL, IN, MA, MO, OH, but not 1 slaveowner in USA in 1860 with that surname.

Georgia Walker-Adams