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BUCKWHEAT FAMILY. 549 
5. Rumex salicifolius Weinm. White, 
Pale or Willow-leaved Dock. (Fig. 1303.) 
Rumex salicifolius Weinm., Flora, 4: 28. 1821. 
Perennial, glabrous, pale green; stem erect,ascend- 
ing, or sometimes spreading, simple or branched, 
grooved, flexuous, 1°-3° high. Leaves lanceolate, 
linear-lanceolate or the lower oblong, acute or acu- 
minate at both ends, or rarely obtuse at the apex, 
petioled; racemes erect, divergent or reflexed, dense, 
in fruit interrupted below; flowers in dense clusters; 
calyx pale green, 1’ long, pedicelled, winged in 
fruit; pedicels slightly longer than the wings, jointed 
near the base; wings triangular-ovate, 114’’ long, 
undulate or subdentate, each bearing a large ovoid 
tubercle; achene 1’’ long, dark red, smooth, shining, 
its faces concave, its angles slightly margined. 
In swamps, Labrador to southern New York, Florida, 
‘Texas and Lower California. Also in Europe. May-— 
Sept. 
aS. 
\aR 
oN aad 
Rumex verticillatus 1. Sp. Pl. 334. 1753- 
Perennial, glabrous, rather bright green; stem 
stout, grooved, simple or nearly so, erect, ascend- 
ing or decumbent, 2°-5° long, more or less flexu- 
ous when old. Leaves narrowly oblong, oblong- 
lanceolate or lanceolate, 2/-12’ long, narrowed at 
both ends or obtusish at the apex, slightly papil- 
lose, long-petioled; racemes interrupted below, 
spreading in fruit; flowers in rather dense whorls; 
calyx green, 1/’ long, winged in fruit; pedicels 
stout, thickened above, jointed near the base, 3-5 
times as long as the wings; wings broadly deltoid, 
2’’ long, more or less decurrent on the pedicel, each 
bearing a narrowly ovoid tubercle; style-branches 
reflexed in fruit; achene 1'//’’ long, reddish, 
pointed, smooth, shining, its faces concave. 
In swamps, Quebec to Ontario and Iowa, south to 
Florida and Texas. May-July. 
7. Rumex altissimus Wood. ‘Tall or 
Peach-leaved Dock. (Fig. 1305.) 
Rumex altissimus Wood, Class-book, 477. 1853. 
Rumex Britannica Meisn. in DC. Prodr. 14: 47. 
1856. Not L. 1753. 
Perennial, glabrous, rather pale green; stem 
stout, erect, simple or sparingly branched above, 
grooved, 2°-4° tall. Leaves lanceolate, oblong- 
lanceolate or ovate-lanceolate (sometimes ob- 
lanceolate) 2/-10’ long, acute at both ends, 
papillose; panicle rather open; racemes slightly 
interrupted in fruit; flowers densely whorled; 
calyx light green, 1/7 long, winged in fruit; 
pedicels slender, jointed near the base, as long 
as the wings; wings triangular-cordate, 2//-214/’ 
long, usually one of them only bearing an ovoid 
tubercle; achene 11%4’’ long, dark red, smooth, 
shining, its faces concave. 
Along streams and in swamps, Massachusetts to 
Nebraska, Marylandand Texas. April-June. 
