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, Pink. Color, pink. Calyx, tubular, 5-pointed. Petals, 10, pink with white spots. Stamens, 10. Styles, 2. Leaves, long, narrow, hairy. Flowers, densely clustered, terminal, on stiff, erect stems 6 to 18 inches high.
Formerly cultivated, and now escaped in many places. I have found it high up on hillsides and in low, dry fields. The garden Sweet William is a near relative of this pink. An English species is the origin of our cultivated carnations and clove pinks. (See illustration, p. 257.)
Deptford pink (Diauthus Armeria)