. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus 14. MUSTARD FAMILY. 163 I. Armoracia Armoracia (L.) Britton. Horse- radish. Fig. 2034. Cochlearia Armoracia L. Sp. PI. 648. 1753. Nasturtium Armoracia Fries; A. Gray, Man. Ed. 2, 31. 1856. Roripa Armoracia A. S. Hitchcock, Spring Fl. Manhattan 18. 1894. irmorecia rusiicana Gaertn. Meyer & Schreb. Fl. Watt. 2 : 426. 1800. Erect, 2°-3° high, froin deep
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus 14. MUSTARD FAMILY. 163 I. Armoracia Armoracia (L.) Britton. Horse- radish. Fig. 2034. Cochlearia Armoracia L. Sp. PI. 648. 1753. Nasturtium Armoracia Fries; A. Gray, Man. Ed. 2, 31. 1856. Roripa Armoracia A. S. Hitchcock, Spring Fl. Manhattan 18. 1894. irmorecia rusiicana Gaertn. Meyer & Schreb. Fl. Watt. 2 : 426. 1800. Erect, 2°-3° high, froin deep thick roots. Basal leaves on thick petioles 6'-i2' long, the blade oblong, often nearly as long, crenate, sinuate or even pinnatifid, rough but glabrous; upper leaves smaller, sessile, nar- rowly oblong or lanceolate, crenate or dentate; racemes paniculate, terminal and axillary; pedicels very slender, ascending, 2"-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. 15. COCHLEARIA [Tourn.] L. Sp. PI. 647. 1753. Annual or biennial maritime herbs, with simple alternate mostly fleshy leaves, and white or rarely purplish or yellowish racemose flowers. Silicic inflated, oblong or globose. Valves very convex, dehiscent. Stigma nearly simple, or capitate. Seeds several in each cell of the pod, usually in 2 rows, marginless. Cotyledons mainly accurabent. [Greek, spoon, from the shape of the leaves.] A genus of about 25 species, all natives of the colder parts of the north temperate zone. Besides the following, about three others are found on the arctic and northern Pacific coasts of North America. Type species : Cochlearia officinalis L. I. Cochlearia officinalis L. Scurvy-grass or weed. Spoonwort. Fig. 2035. Cochlearia officinalis L. Sp. PI. 647. 1753. Cochlearia oblongifolia DC. S
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