448 POLYGONACEAE 
. R. verticillatus L. Plant 9-15 dm. tall, the panicle-branches lax: lower stem- 
dm. 
des es 1.5-4. long; pic osea to linear-lanceolate: flower-clusters 
rather loose: sepal-wings ovate, hastate, reniform-hastate, 4.5-5.5 mm. wide: 
pedicel-like ey of the hype denn mostly over 1 cm. long, a tapering: 
achene & -3 mm. long.— eu MS mps and ditci. s, various 
provinces, Fla. to Tex., Ia., and Que 
R. sanguineus L. Plant 3-11 dm. tall, the dip: erect, the Da cT 
rather loosely -flo wered a nd lo osely-fruited : low stem leaves 9-16 cm. l 
den sepal-wings oblong, 2.5-3 mm. long, nea nequal, entire, the cal- 
losity P e a 1.5 mm. uan ng.—( BLOODY- o: RED-VEINED DOCK. 
BLOODWORT. )—W various provinces, Ala. to La., N. Y., and Va 
Nat. of Eu.—Spr sum. 
T 
9. R. conglomeratus Murray. Plant 3-12 dm. tall, the stems erect, the panicle- 
branches pee densely flo ered: pd stem-leaves 8—17 cm. long; bla des ovate, |. 
;8 e 
achene about 2 mm. long.—(CLUSTERED-DOCK.)— Waste p r Coa stal Plain, 
. C. to Va.; also Calif. Nat. of Eu—(W. I., Mex.)—Spr.-s 
10. R. 
panicles dens wer stem-leaves mostly 1 dm. long or less; blades c cuneate to 
iuit Pena "ed erisped, usually rounded or retuse at t the apex: flower- 
elusters dense, contiguous: dini wings oblong-ovate, 5—6 ong, undulate, 
uii ulate: achene fully 2.5 mm. long coude W. Fla. Nat. 
of S. A.—Spr.-fall. 
11. R. pulcher L. Plant 3-9 dm. tall, the pd pem spreading: lower 
stem- leaves 0.8—1.7 dm. long; blades elli iptie o e andurate, truneate or 
shallowly cordate, crisped: sedi rigs sed. leafy- -bracted: Eoy wings. 
ovate-deltoid, about 4 mm. long, with 5-10 teeth: achene fully 2: ong.— 
( FIDDLE-DOC ck.) — —Low Goce URN and waste 2 WT various pie 
Fla. to Tex., Calif, Ark., and Va. Nat. of Eu.—(W. I., Mex.)—Spr. —fall. 
cordate, somewhat eri Hd. flower-clusters E pale not leafy-bracted: 
sepal- iim n e 3.5-5 mm. long, bd x teeth: eee 2-2.5 mm. 
long.— (BI BROAD-DOCK. BUTT K.)—Wet woods, cultivated 
grounds, ads “ditches, fields, and waste- ee PEA the U. S. and 
S Can. Nat. of Eu.—(W. I.; Mez.)—Sum.-fall.- 
13. R. persicarioides L. Plant 1-6 dm. tall, the panicle densely-flowered and 
densely-fruited: leaves 2.5—30 cm. long; blades lanceolate, narrowly elliptic, 
risp he le 
e ; wer e abruptly narrowed at the base: flower-clusters densely 
many-flowered: stipe-like base e anthium not involute l- S 
2-2.5 mm. long, each bos an oblong or ovate-oblong body and 3-6 slender 
teeth: achene about 1.5 mm. long.—(GOLDEN-DOCK.)— Shores or sandy banks, 
various pr les tee coast. of £N. C. to N. B., also in saline places. inland— 0 
Ont., and co of Calif. to B. 0. Mea. )—Spr.-fall—Admitted on the basis 
of old reco ae 
4. EMEX Neck. Annual‘ somewhat succulent herbs. Leaves alternate, 
with oblique ocreae. Flowers in axillary, often dense clusters or in pant icles, 
monoecious; the staminate ones long-pedicelled, with 5 or 6 nearly equal sepals; the 
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