RUMEX. 273 
—E. B. 1576.—St. straggling. Whorls distant. Nuts ovate, 
acute.—Dry waste places. P. VII.—IX. Fiddle Dock. 
6. R. obtusifolius (L.); enlarged pet. ovate- or oblong-triangular 
obtuse toothed below with an oblong or ligulate entire point one 
principally tubercled, lower 1. cordate-ovate obtuse, upper 1. ob- 
long or lanceolate, branches ascending.—E. B. 1999. Height 
2—3 feet. Whorls distant, leafless. Nut elliptical, acute. Di- 
stinguished by its radical 1. and the point of the petals.— Pastures 
and waste ground. P, VII.—IX. 
7. R. pratensis (M. and K.); enlarged pet. unequal cordate 
dilated and toothed at the base with a small entire triangular point 
one principally tubercled, 1. oblong-lanceolate acute, lower 1. 
slightly cordate below.—E. B. 8. 2757.—Whorls approximated 
but not crowded, mostly leafless. Nut elliptical. One of the 
enlarged pet. larger than the others, sometimes all 3 are equally 
tubercled.—Marshy places, rare. P. VI.—IX. 
8. R. crispus (L.); enlarged pet. cordate entire or crenulated 
one principally tubercled, 1. lanceolate acute wavy crisped.—E. B. 
1998.—Height 2—3 feet. L. narrowed or truncate below. Nut 
elliptical. Enlarged pet. equal, sometimes all equally tubercled. 
—Road-sides, fields, &e. P.VI.—VIII. Curled Dock. 
9. R. aquaticus (L.); enlarged pet. broadly cordate membra- 
nous entire or wavy without tubercles, 1. lanceolate, lower 1. some- 
what cordate, petioles flat and margined above.—E. B. S. 2698. 
R. domesticus Hartm., Fries, Koch—Height 3—4 feet. L. very 
large. Whorls crowded, mostly leafless, forming a large dense 
lobed panicle. Nut elliptical, acute——Damp places in the north 
of England and in Scotland, preferring spots liable to be flooded. 
P. VI. VIII. E. S$. 
10. R. Hydrolapathum (Huds.) ; enlarged pet. ovate-triangular 
nearly entire all tubercled, J. lanceolate acute tapering below, pe- 
tioles flat but not margined above.—E. B. 2104.—St. 3—5 feet 
high. L. often more than a foot long. Whorls crowded, mostly 
leafless. Nut elliptical—Ditches and river-sides. P. VII. VIII. 
Great Water Dock. 
*11. R. alpinus (L.); enlarged pet. cordate-ovate membranous 
entire or denticulated without tubercles, 1. roundish-cordate obtuse 
with channeled petioles, upper 1. ovate——E. B. S, 2694.—Whorls 
crowded, mostly leafless. Nut elliptical, acute——Formerly cul- 
tivated. P. VII. Monk’s Rhubard. E. S$. 
** Fl, diecious. Herbage acid. Acetosella Tourn. Sorrels. 
12. R. acetosa (L.); enlarged pet. roundish-cordate entire 
membranous with a very minute tubercle at the base, sep. reflered, 
nd 
