This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Mint. Color, pale blue. Leaves, oblong, serrate, wrinkled, short-petioled or sessile. Flower-bracts linear, rather large, under the separate clusters of flowers, which form interrupted terminal spikes. Stem, erect, 1 to 1/2 feet high. Perennial by leafy runners.
Common in all wet places. (See illustration, p. 345.)
Spearmint (Mentha spicata)
 
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