;358 06. POLYGONACE^. 



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.- VIII. E.S.I. 



4. It. rupes'tris (Le G.) ; enlarged pet. narrow ovate-oblong 

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

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

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

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

 near Plymouth. P. VI. VIII. E. 



5. R. sanguin'eus (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. 13. 1533. 

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

 larged pet. broadest above their middle. Lowermost whorls 

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

 Branches ascending. ft. JR. viridis (Sibth.); veins of the 1. green. 

 Unopened anth. pale yellow. JR. nemorosus Schrad. Woody 

 places, rare. ft. Woods and roadsides, frequent. P. VI. VIII. 



E. S. I. 



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

 ribs toothed below one principally tubercled, branches spreading, 

 whorls mostly leafy, lower l.Jiddle 'shape dor cordate-oblong blunt, 

 upper 1. lanceolate-acute, st. procumbent. E. S. 1576. St. 

 straggling. Whorls distant. Nuts ovate, acute. Dry waste 

 places, local. B. ? VII. IX. Fiddle-Dock. E. I. 



7. R. obtusifolius (L. ?) ; enlarged pet. ovate- or oblong-trian- 

 gular blunt entire or toothed veined one or more tubercled, lower 

 I. cordate-ovate-oblong blunt, upper 1. oblong or lanceolate, 

 branches ascending. a. R. Fricsii (G. & G.) ; enlarged pet. 

 sinuate-dentate below with subulate spreading teeth and an 

 oblong entire point one principally tubercled. E. B. 1999. ft. 

 R. sylvestris (Wallr.) ; enlarged pet. nearly entire all tubercled. 

 J. of B. xi. 131. Whorls usually distant and nearly leafless. 

 Height 2 3 ft. Nut nearly twice as long as broad. A hybrid 

 with Sp. 10, R. conspersus (Hartm.), has enlarged pet. broadly 

 cordate toothed membranous netted one tubercled, 1. oblong 

 blunt cordate or oblique at the base. Sy. E. B. 1217. 

 Pastures and waste ground, ft. By Thames near Putney. P. 

 VII. IX. E. S. I. 



8. R. acutus (L.) ; enlarged pet. unequal cordate dilated, and 

 toothed at the base with a small entire triangular point one 



