BUCKWHEAT FAMILY. 



55 I 



ii. Rumex crispus L. Curled Dock. (Fig. 1309.) 



Rnmc.v crispus L. Sp. PI. 335. 1753. 



Perennial, glabrous, dark green; stem rat j ler 

 slender, erect, simple or branched al>ove, grooved, 

 tall. Leaves crisped and wavy-margined, 

 the lower oblong or oblong-lanceolate, 6'- 1 2' long, 

 long-petioled, the upper narrowly oblong or lan- 

 ceolate, 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 



een; fruiting pedicels i>-2 times as long as the 

 ilyx- wings, jointed near the base; wings cordate, 

 // -2 // long, truncate or notched at base, erose- 

 dentate, or nearly entire, each bearing a tubercle; 

 achene i /r long, dark brown, shining. 



In fields and waste places nearly throughout the 

 United States and southern British America. Often 

 a troublesome weed. Naturalized from Europe. 

 Native also of Asia. June-Aug. 



12. Rumex conglomeratus Murr. Clus- 

 tered or Smaller Green Dock. (Fig. 1310.) 



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



Perennial, glabrous, pale green; stem slender, 

 erect, simple or branched, grooved, i-3 tall. 

 Leaves ovate, oblong or lanceolate, i '-5' long, tome 

 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 in- 

 terrupted; flowers loosely whorled; calyx small, 

 green; pedicels shorter than or equalling the calyx- 

 wings, jointed near the base; wings ovate, fiddle- 

 shaped, i^/t" long, toothed near the base, each 

 bearing a large oblong callosity; achene less than 

 \ ff long, pointed, red, smooth, shining, its faces 

 convex. 



In waste places, Virginia to South Carolina. Also in 

 California. Naturalized from Europe. May-July. 



13. Rumex sanguineus L/. Bloody or 

 Red -veined Dock. (Fig. 1311.) 



Rumex sanguineus L. Sp. PI. 334. 1753. 



Perennial, glabrous, stem slender, erect, 

 grooved, simple or branched, i-3 high. Leaves 

 oblong, oblong-lanceolate or lanceolate, i'-6' 

 long, the lower long-petioled, cordate at the base, 

 acute or obtuse at the apex, usually red-veined, 

 the upper short-petioled; panicle loose; racemes 

 slender, spreading, not leafy, interrupted; flowers 

 loosely whorled; calyx very small; pedicels slen- 

 der, \-\ l /j. times as long as the calyx-wings, 

 jointed at the base; wings oblong, i^" long, one 

 of them bearing a spherical-oblong callosity; 

 achene less than i" long, sharp-pointed, dark 

 red, smooth, shining, its faces convex. 



In waste places and ballast, southern New York to 

 Virginia and Louisiana. Uncommon. Naturalized 

 or adventive from Europe. May-Aug. 



