370 



LXXII. POLYGONACE^. 



lOxy 



yria. 



E. B. t. 1932. R. Stei 



mil. 



remote, leaves linear-lanceolate. 

 Koch, 



■ 



Marshy places, remote from the sea ; near the Vault, east of D 

 bar ; J. Machay. If . 7 — 9. — Nearly allied to the last, from wlS" 

 Sir J. E. Smith considers it to be permanently distinct in the form f 

 the enlarged sepals, and in the number, shape, length, and situation of 

 thQ teeth which border them. Mr. Babington considers i?. r^aJust'^ 

 Koch, to be R, Zmo6'W5.Thuil.,butit has not been found in thiscountr'' 

 unless it be, as supposed by some, the Gold Dock of Petiver. ^* 



** Plants acid. Flowers dioecious, Acetosa, or Sorrels. 



^ 



12. R. Acetosa L. (common S,) ; outer sepals reflexed, en- 

 larged ones orbicular-cordate entire membranous reticulated 

 with a minute spherical tubercle at the base, leaves oblono-- 



sagittate. 



JE, B. t. 127. ? 



high. 



IZ. 5 — 7 Stem 1 — 2 feet 



Meadows and pastures, frequent. _ _ ^ _^ ^^^ 



Petals becoming large, purplish, orbicular-cordate, obtuse' 

 membranous, reticulated with veins ; tubercles very small, almost 

 obsolete. Sir J. E. Smith says the enlarged sepals are ovate but he 



aj^pears to have described a cultivated species, probably the R. oximtv, 

 Campd. '^ 



13. R. Acetosella L. 



ones scarcely enlarged 

 lanceolate-hastate lobes entire. E 



{Sheep's S.) sepals ascending, inner 

 ovate without tubercles, lower leaves 



5 — 7. — Variable in its height, 



Dry pastures, frequent. 2/.. „ „ ^^^ 



from 2 — 10 inches, and in the form of its'zeai;e/rfo7,>requentlT^^^^^^ 

 the rac/zcaZ ones are of the shape above described, at other times many 

 ot the canhne ones are so too ; the rest are lanceolate, more or less 

 petiolate, entire. Every part is much smaller than in the last 

 species. In very dry situations, and at the end of summer, the whole 

 plant becomes of a rich red colour. 



[R^.cz.^^^^.5L., the French or Garden Sorrel, has been observed 



near Edinburgh Hamilton, and several other places, having escaped 

 from cultivation.] r- ? t, i 



3. OxYRiA Hill; B, Brown. Mou 



stigmas multlfid. 



Penan h 4-partite the two interior segments in front scarcely 

 loncjer than the others, spreading. Stamens 6. Styles 2 ; 

 . - . Achene compressed, surrounded with a mem- 



branous wmg, much longer than the sepals. - Named from 

 o^vs, sharp or acid, m allusion to the acid flavour 



1. O. renif( 

 Eumex digynus Z. ; E. B. tVgTo" 



M.) 



aliens esnlohll^^' ^f'' -""^ ^^°^'^"^' «^""dant in alpine situ- 

 ot cascades, if.. 7, 8.~ Stems 8-10 inches high, with rarely 



j: 



IR 



i 





