11. Rumex Occidentalis S. Wats. Western Dock

Fig. 1607

R. occidentalis S. Wats. Proc. Am. Acad. 12: 253. 1876.

Perennial, glabrous, stem stout, strict, erect or nearly so, strongly grooved, simple or sparingly branched, 2°-3° high. Leaves lanceolate or ovate-lanceolate, bluish-green, somewhat crisped and wavy-margined, papillose, the lower 8'-12' long, obtuse or subacute at the apex, more or less cordate at the base, long-petioled, the upper smaller and usually lanceolate; panicle rather dense, leafless or nearly so, erect; racemes usually not interrupted; flowers loosely whorled; calyx pale green, 1" long; pedicels obscurely jointed below the middle, 2-3 times longer than the calyx-wings; wings triangular-ovate, 2 1/2"-4" long, somewhat dentate or undulate, bearing no tubercles; achene oblong, 2"-2i" long, short-pointed, chestnut-brown, smooth, shining.

In wet places, Labrador to Alaska, Ontario, Maine and in the Rocky Mountains to Texas and to California. May-Aug.

11 Rumex Occidentalis S Wats Western Dock 1607

12. Rumex Crispus L. Curled Or Narrow Dock

Fig. 1608

Rumex crispus L. Sp. PI. 335. 1753.

?Rumex elongatus Guss. PI. Rar. Neap. 150. 1826.

Perennial, glabrous, dark green; stem rather slender, erect, simple or branched above, grooved, 1°-3 1/20 tall. Leaves crisped and wavy-margined, the lower oblong or oblong-lanceolate, 6'-12' long, long-petioled, the upper narrowly oblong or lanceolate, 3'-6' long, short-petioled, all cordate or obtuse at the base, more or less papillose; panicle rather open; racemes simple or compound, by the elongation of the pedicels apparently continuous in fruit; flowers rather loosely whorled; calyx dark green; fruiting pedicels 1 1/2-2 times as long as the calyx-wings, jointed near the base; wings cordate, 1 1/2"-2" long, truncate or notched at base, erose-dentate, or nearly entire, each bearing a tubercle; achene 1" long, dark brown, shining.

In fields and waste places nearly throughout the United States and southern British America. Often a troublesome weed. Sour or yellow dock. Also in the West Indies and Mexico. Naturalized from Europe. Native also of Asia. Hybridizes with R. obtusifolius L. June-Aug.

12 Rumex Crispus L Curled Or Narrow Dock 1608

13. Rumex Conglomeratus Murr. Clustered Or Smaller Green Dock

Fig. 1609

R. conglomeratus Murr. Prodr. Fl. Goett. 52. 1770.

Perennial, glabrous, pale green; stem slender, erect, simple or branched, grooved, 1°-3° tall. Leaves ovate, oblong or lanceolate, 1'-5' long, some of them slightly fiddle-shaped, acute at the apex, obtuse at the base, crenulate and slightly crisped on the margins, petioled; panicle loose and open in fruit; racemes leafy, slender, ascending, much interrupted: flowers loosely whorled; calyx small, green; pedicels shorter than or equalling the cnlyx-wings. jointed near the base; wings ovate, fiddle-shaped, 1 1/2" long, toothed near the base, each bearing a large oblong callosity; achene less than 1" long, pointed, red, smooth, its faces convex.

In waste places, Virginia to South Carolina. Also in California and Washington. Naturalized from Europe. May-July.

13 Rumex Conglomeratus Murr Clustered Or Smaller G 160913 Rumex Conglomeratus Murr Clustered Or Smaller G 1610