298 66. POLTGOKACEA 



1. Eu'mex Linn. Dock. 

 * Fl. perfect. Herbage not acid. L. not hastate. 



1. H. marit'imus (L.) ; enlarged pet. rhomboidal naxxow, eacll 

 with a lanceolate entire point a prominent narrow oblong tuber- 

 cle and on eacb side 2 setaceous teeth as long as the pet., whorls 

 crowded many-flowered leafy, 1. all linear-lanceolate narrowed 

 at botb ends. — E. B. 725. — Nut very small ; faces elliptic. — 

 Marshes principally near the sea. P. or B. VII. VIII. Golden 

 Bock. E. S. I. 



[iJ. limdsus (ThuU.) ; enlarged ped. orate-oblong and on each 

 side 2 setaceous teeth, whorls distant, 1. all linear-lanceolate, nar- 

 rowed at both ends. — S. paliidris Koch, St. 73. 2. Gold Dock 

 Pet. t. 2. f. 7.— A plant to be looked for. See Bot. Gaz. i. 296.] 



2. jK. pahts Hris (Sm.) ; enlarged pet. ovate-oblong, with a lan- 

 ceolate entire point a prominent narrow oblong tubercle and on 

 each side 2 or 3 setaceotis teeth shorter than the ped., whorls 

 distant many-flowered leafy, root-1. narrowly lanceolate rounded 

 or slightly decurrent below.— Ctjrf. i. 63. Sy. K B. 1213.— Nut 

 3 times as large as that of B. maritimus ; faces ovate. Upper-1. 

 linear-lanceolate, narrowed below. — Marshy places, rare. — P. 

 VII.— IX. E. S. I. 



3. B. conglomerdtus (Murr.) ; enlarged pet. linear-oblong blunt, 

 each bearing a large tubercle and entire or obscurely toothed at 

 tlie base, whorls distant leafy, 1. oblong pointed, lower 1. cordate 

 or rounded at the base. — B. aautus Sm. E. B. 724. — 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. VI. — VUI. 



E. S. I. 

 [A plant found at St. Aubin's, Jersey, is probably iJ. rupestris 

 (Le Gall). It has a narrower base to the enlarged pet., closely 

 placed whorls, strapshaped lower 1. narrowed to their base.] 



4. JR. sanguin'eus (L.) ; enlarged pel. narrowly oblong blunt en- 

 tire only one bearing a tubercle, whorls distant leafiess, 1. ovate- 

 lanceolate, lower 1. cordate or rounded at the base. — B. B. 1533. 

 — Ped. jointed at their base. Nut ovate-eUiptic, acute. En- 

 larged pet. broadest above their middle. Lowermost whorls 

 often each accompanied by a leaf. Veins of the 1. bright red. 

 Branches ascending. — /3. B. viridis (Sibth.) ; veins of the l^reen. 

 Unopened anth. pale yellow. B. nemorosus Schrad. — Woody 

 places, rare. 0. Woods and roadsides, frequent. P. VI. — VIII. 



E. S. I. 



5. B. ptd'cher (L.) ; enlarged pet. triangular-ovate netted with 

 ribs toothed below one principally tubercled, branches spreading. 



