This section is from the book "A Guide To The Wild Flowers", by Alice Lounsberry. Also available from Amazon: A Guide to the Wild Flowers.
(Plate CXXX.)
Mint.
Purple, or white spotted with a darker shade.
Fragrant.
Florida to N. Carolina.
August, September.
Flowers; growing in cymes of six flowers in the axils of the leaves. Calyx: tubular; two-lipped. Corolla: long; two-lipped; the upper lip notched at the apex; the lower one three-lobed. Stamens; four; curving inward. Pistil: one. Leaves: opposite; oblong, narrowing into a slender petiole; pubescent; smaller leaves also clustered in the axils. Stem; erect; branching; leafy.
Calamintha, meaning in Greek beautiful mint, well expresses this member of the genus. It range is unfortunately limited, but it can be known by the illustration.
 
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