SCIENTIFIC AND POPULAR. 327 



1762. RUELLIA, L. Ruellia. Acauthaeeae. 



Named for Jean Ruel, French herbalist, d. 1537. Syn. Dip- 

 teracanthiis, in part. Herbs or shrubs with showy Howers. 

 About 200 species, tropical, mainly of New World; 9 in U.S. 



1763. RtJMEX, L. Dock, etc. Polygoiiacrae. 



The ancieni Latin name, "lance", from form of leaf. 8yn. 

 Acetosella, Aceiosa, in part. Robust herbs, some ^hrubby. 

 About 130 si)ecies; 28 in U. S., including naturalized s{»ecies. 



». R. Acetosa L. (AcetosamagnaGililb., A. ofHcinalis Uueld., A. 

 pratt-nsis Mill. ). Europe, Asia, Biitish America, nat. in U. S. 

 !St)rrel, Cock Sorrel. English ( ock Sorrel, Cireen or Meadow 

 S arel, Bread-and-Lheese, Donkey s-oat.'", Kiichnn Soriel. Gin- 

 ger-sauce, Ginger Son el, Redshank-, Shaip Dock, Erei.ch 

 S urock (Sourack, Saroik, Snoiacks, Soriow), Sour-jirass, 

 Sour-sauce (Sour-sabs, Sour-suds); Ger. Sanerampier; Fr. 

 Oreille commune ((.odex); Sp. Acedera. Boot aslriuirent. 

 Leaves acididous, refi'igerant, used as a pot herb, as are ihose 

 of (b) K. luxiiriaus L. in Alrica. 



c. R. Acrtosella L- (Act tosel la vulgaris Four., Acetosa Acetosella 

 Mill. }. Euro])e, Asja, and N. America. Sht-ep SoireJ, Field 

 Sorrel, PIoi>e or Cow Soriel. ( ommon or GeiitUman's Sorrel, 

 Mountain or Red-top Sorrel, T<>ad's Sorrel, Raniy-tanty, Sour 

 I'ock, Sour gra^s, Sour Leek, Grt-en-.-auce, Red-weed. Pro- 

 perties ol ( a j. l-'rench »Sorrel is the allied (d) R. hClitatllS 

 L. (Acet'sa scutata Mill. ). 



e. R. iTispus L. British .America and U. S. throughou'. Yel- 



low Dock, Curled Dock, Nairow Lock, Son r 1)<k k*. Hoot "of 

 this and o her species, notably (g) and (h)" ; Ramex, L. S. P., 

 Rad. ruiuici^, Rad. lap^thi a uti v. oxylapalhi v. hy(lr"l«})athi; 

 Fr. Grindwnizel, W aM-ermangoidwurzel; Fi-. I'atieJice (Codex); 

 astringent, alleraiive, laxative, rese bling rhubarb. 



f. R. hymen OSepalllS Torr. Texas to Arizona and Mtxico, now 



extensively cult. Canaigre, Wild lie-plant. Boots used for 

 tanning, astrmgent. 



g. R. obtusifoliiis L. Europe and Asia, nat. in U. S. Bitter 



Dock, Common Dock (of England) Broad-leaved or Blunt- 

 leaved Lock, Butter Doc IN ( 'eavi s formedy used for wra|>}»ing 

 buiter), ( elery-seedf. Properti« s of (e), the species n.ost used 

 in Eu ope. (h) R. saiig:uiiieiiS L. Enro}ie. adv. in U. S. 

 Bloody Lock, Blo< dwort. Red- veined l)o(*k. Olcoit-rooi, is also 

 ustd, and in Europe u) R. aqudticilS L. and (j) R, Hydro- 

 liipathiiiii Huds. 



k. R, PationtiaL. Europe, nat. locally in U. S. Patience Dock, 

 Passionsj, Garden Patience, Monk's Rhubarb. The latter name 

 is given in Scotland to (1) R. alpiuus L., called also Moun- 

 tain Rhubarb. 



1764. RtJPPIA, L. Ditch-grass, etc. Naiadaceae. 



iNamtd for H. B. Rupp, German botanist, 18th CVniury. 

 Slender-stemmed aquatic plants. About 4 species, widely dis- 

 tributed; 2 in U. S. 



