ETTITEX. 305 



1. B-u'mbx Linn. Dock. 

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



1. R. marit'imus (L.); enlarged pet. rhomhoidal naxxorw, each 

 with a lanceolate entire point a prominent narrow ohlong tuber- 

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

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

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

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

 Bock. E. S. I. 



2. R. pahis'tris (Sm.) ; enlarged pet. ovate-oblong, with a lan- 

 ceolate entire point a prominent narrow oblong tubercle and on 

 each side 2 or 3 setaceous teeth shorter than the pet., whorls 

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

 or slightly decurrent below.— Cfurt. i. 63. St/.E. S. 1213.— Nut 

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

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

 VIL— IX. E. S. L 



3. R. conglomerdtus (Murr.) ; enlarged pet. linear-oblong sub- 

 acute, each bearing a large tubercle and entire or obscurely 

 toothed at the base, whorls distant leafy, 1. oblong pointed, lower 

 1. cordate or rounded at the base. — R. acutus 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.— vni. E. s. I. 



4. R. rupes'tris (Le Gr.) ; enlarged pet. narrow ovate-oblong 

 blunt all tubercled entire, whorls not very distant leafless (ex- 

 cept 2 or 3 lowest), 1. strapshaped rounded and narrowed at 

 both ends. — J. of B. xiv. 2. 1. 173. — Nut ovate, acute. Enlarged 

 pet. with nearly parallel sides and very large tubercles. — Shore 

 near Plymouth. P. VI.— VIII. E. 



5. R. sanguineus (L.) ; enlarged pet. narrowly oblong blunt en- 

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

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

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

 larged pet. broadest above their middle. Lowermost whorls 

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

 Branches ascending. — j3. R. viridis (Sibth.) ; veins of the 1. green. 

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

 places, rare. /3. Woods and roadsides, frequent. P. VI. — ^Vllt. 



E. S. I. 



6. R. pul'cher (L.) ; enlarged pet. triangular-ovate netted with 

 ribs toothed below one principally tubercled, branches spreading, 



