282 
66. POLTGONACE^. 
as that of i?. maritimus ; faces ovate. Upper 1. linear-lanceolate, 
narrowed below. — Marshy places, rare. P. YIL. — IX. E. S. I. 
3. R. conghmerdhis fMurr.) ; enlarged pet. litiear-obUmg hlunt, 
each bearing a large tubercle and entire or ohscurdy toothed at 
the base, whorls distant leafy, 1. oblong pointed, lower 1. cordate 
or rounded at the base. — E. B. 724. R. acidus Sm. R. glome- 
rattts R. I. f. 552. — Nut ovate, acute. Enlarged pet. broadest 
near the base ; the sides nearly parallel. Unopened anth. white. 
Branches mostly spreading. Uppermost whorls often leafless. 
—Wet places. P. ^^.— Vm. E. S. I. 
[A plant found at St. Aubia's, Jersey, is probably R. nipestris 
(Le Gall). It has a nai-rower base to the enlarged pet., closely 
placed whorls, strapshaped lower 1. narrowed to their base.] 
4. R. sanguin'eus (L.) ; enlarged pet. narrowly oblong blunt en- 
tire only one bearing a tubercle, xvhorls distant leafless, 1. ovate- 
lanceolate, lower 1. cordate or roimded at the base. — E. B. 153.3. 
— Nut ovate-elliptic, acute. Enlarged pet. broadest above their 
middle. Lowermost whorls often each accompanied by a leaf. 
Veins of the 1. bright red. Branches ascending. — /3. R. viridis 
(Sibth.) ; veins of the 1. gi-een. Unopened anth. pale yellow. 
R. nemorosm Schrad. — Woody places, rare. ^. Woods and road- 
sides, frequent. P. M:.— VIH. E. S. I. 
5. R.pid'cher (L.); enlwged pet. triangular-ovate netted xoith 
ribs toothed below one principally tubercled, branches spreading, 
whorls mostly leafy, lower l.Jiddleshaped or cordate-oblong blunt, 
upper 1. lanceolate acute, st. procumbent. — E. B. 1576. — St. 
straggUng. Whorls distant. Nuts ovate, acute. — Dry waste 
places. P. Vn.— IX. Fiddle Dock. E. S. I. 
6. R. obtusifdlim (L. ?) ; enlai-ged pet. ovate-blunt-triangular 
subulate-dentate below vrith raised veins and an oblong or ligu- 
late entire point one principally tubercled, lower I. cordate-ovate- 
oblong blimt, upper 1. oblong or lanceolate, branches ascending. 
—E. B. 1999.— Height 2—3 feet. Whoris usually distant and 
leafless. Nut elliptic, nearly twice as long as broad. — All the 
British specimens that I have seen are R. Fricsii (Gren.), R. di- 
varicatus (Fr.). They are probably not the true R. obtusifoliu-s 
(L.) which is R. sylvcstris ( Wallr.) and has only slightly toothed 
small triangular not prolonged and less strongly vemed enlarged 
pet., and a nut scarcely longer than broad ; anS appears to grow 
onlv in the North of Europe. — Pastures and waste ground. P. 
Vli.— IX. E. S. I. 
7. R. praten 'sis (M. &K.); enktrged pet. unequal cordate di- 
lated and toothed at the ba.'^e with a small entire triangular point one 
principally tubercled, 1. oblong-lanceolate acute, lower 1. slightly 
coi-date below. — E. B. S. 2757. — St. and whorls often tinged 
