62 NBOBOT. 



861. RlTMEX OF ACBTOSA UETEROPnYLA Raf. 



root tuberose, radical leaves ovate and rounded, 

 hastate or entire, acute or obtuse, stem leaves 

 remote petiolate ovate acute repand, racemose 

 pauciflore Apalachian Mts. of Virginia, root 

 oblong rugose, stem simple subangular, leaves 

 all petiolate, the radical smaller, not hastate 

 nor sessile on the stem, flowers but few and not 

 in interrupted spike* 



862. RUM EX or ACETOSA INTEGRIFOLIA Raf. 

 Root creeping, stem striate simple, leaves all 

 petiolate orate or lanceolate entire acute, radi- 

 cal small ovate, caulinar few lanceolate, raceme 

 filiform almost simple pauciflore in Kentucky, 

 semipedal, root not tuberose but perennial with 

 fibres, leaves thin radical very small, very few 

 on stem, flowers few remote. Although akin to 

 the hist, the root is quite different horizontal 

 slender- as in next. 



863. RUMEX or ACETOSA AGRESTIS Raf. R^ 

 mex acetosella of many hot. root creeping,stems 

 grooved cespitese, all the leaves petiolate o- 

 blong or lanceolate hastate ; spikes paniculate 

 filiform interrupted. This is our common Sor- 

 rel, of Europe and America, 6 to 12 inches 

 high ; but there are other blended sp. in Eu- 

 rope, since I have at least 3 others and one of 

 them hardly different from R. hastatulus of 

 Baldwin which I have also, his own specimen 

 from Red River Arkansas. I will describe 

 them hereafter, I now merely give their strik- 

 ing differences and also of 2 Rumex acetosa i 



1, R. A. has tat u la R. upper leaves sessiJe 

 linear entire elongate. Europe and Red River. 



2. R. A. biflentata R. leaves bidentate or 

 entire oblong and linear, from Greece and Italy. 



