gum-flower

Humor, if genuine (and if not, it is not humor), is the very flavor of the spirit, its rich and fragrant _ozmazome_ — having in its aroma something of everything in the man, his expressed juice; wit is but the laughing flower of the intellect or the turn of speech, and is often what we call a “gum-flower,” and looks well when dry.

Spare Hours John Brown 1846