This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Salvia urticifolia L. Sp. Pl. 24. 1753- Perennial, pubescent, or nearly glabrous; stem glandular above, rather slender, ascending or erect, 1°-2° high. Leaves thin, ovate, 2-4' long, irregularly dentate or crenate-dentate, usually acute at the apex, abruptly contracted below into margined petioles; clusters several-flowered, in terminal interrupted spikes; bracts early deciduous; pedicels about as long as the calyx; calyx oblong-campanulate, about 3" long, the upper lip minutely 3-toothed, the lower 2-cleft, its teeth triangular-lanceolate, acuminate, spreading in fruit; corolla puberulent without, 6"-8" long, blue and white, the lower lip broad, 3-lobed, twice as long as the upper; lower ends of the connectives dilated; style bearded.
Salvia Verbenaca L. Sp. Pl. 25. 1753.
Perennial; stem glandular-pubescent, erect, simple or sparingly branched, 1°-2° high. Leaves ovate, ovate-lanceolate or oblong, coarsely and irregularly incised-dentate or pinnatifid, petioled, or the uppermost sessile, the lower 3'-8' long, obtuse at the apex, cordate at the base, nearly glabrous, the upper acute, much smaller; floral bracts broadly ovate, short; clusters several-flowered in elongated terminal interrupted spikes; pedicels shorter than the calyx; calyx deflexed in fruit, 3"-4" long, its upper lip re-curved-spreading, with 3 minute connivent teeth, the lower one with 2 lanceolate acuminate mucronate teeth; corolla blue, about 4" long, its upper lip nearly straight, scarcely longer than the lower; lower ends of the connectives dilated and adnate to each other.
In waste places, Ohio to South Carolina and Georgia. Naturalized from Europe. Native also of Asia. Eye-seed. Vervain. June-Aug.
Salvia Sclarea L. Sp. Pl. 27. 1753.
Biennial or annual, glandular-pubescent; stem stout, erect, 2°-3 1/2° high. Leaves broadly ovate, rugose, acute or obtuse at the apex, cordate at the base, irregularly denticulate, the lower long-peti-oled, 6'-8' long, the upper small, short-petioled or sessile; clusters several-flowered, numerous in terminal spikes; bracts broad, ovate, acuminate, commonly longer than the calyx, pink or white; calyx campanulate, deflexed-spreading in fruit, 4"-5" long, its lips about equal, the teeth all subu-late-acicular; corolla blue and white, about 1' long; upper lip arched, laterally compressed, longer than the lower one.
In fields, Pennsylvania to South Carolina, escaped from gardens. Naturalized from Europe. The mucilage of the seeds used to clear specks from the eye. June-Aug.