This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", 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..
Tall perennial glabrous herbs, with large pungent roots, leafy flowering stems and rather large white flowers in terminal racemes, the pedicels slender. Silicles short, little, if any, longer than wide. Style short; stigma subcapitate. Seeds few, in 2 rows in each cell. Cotyledons accumbent. [Name from the Celtic, referring to the favorite (saline) habitat of the plant.]
A genus of a few species, natives of Europe and Asia, the following typical.
Cochlearia Armoracia L. Sp. Pl 648. 1753- Nasturtium Armoracia Fries; A. Gray, Man. Ed. 2, 31.
Erect, 2°-3° high, from deep thick roots. Basal leaves on thick petioles 6'-12' long, the blade oblong, often nearly as long, crenate, sinuate or even pinnatifid, rough but glabrous; upper leaves smaller, sessile, narrowly oblong or lanceolate, crenate or dentate; racemes paniculate, terminal and axillary; pedicels very slender, ascending, a"-3" long; flowers white, showy, 2"-4' broad; pods oblong or nearly globose; style very short Escaped from gardens into moist grounds, especially along streams. Frequent. Adventive from Europe. The roots furnish the well-known sauce. Summer.