SYNGENESiA suPBRFLUA, Tanacctum. 523 



In cultivated grounds and on road sides : New England 

 to Pensylvania. - 1/ . July — Sept. v. v. Common 

 Tansy is probably introduced from Europe. 



623. BACCHARIS. Gen. pi. 1285. 



1. B. glaberriraa, p<inicularo-ramo3issima ; foliis angusto- angusUfoHa 

 linearibus integerrimis, panicula composita multiflora, 

 calycibus parvulis sub-20-floris. — Mich. Ji. amer. 2. 

 p. 125. 

 On the sea-coast : Carolina to Florida ; on the banks of 

 the Mississippi. M. Lewis. Fj . July — Sept. v. v. ; 

 V. s. in Herb. Lewis, flowers white, as all the fol- 

 lowing are. 



3. B. foliis laevibus cuneatoobovalibus superne dentatU, gfomeruliflo- 

 glomerulis florum axillanhus sessiiibus remotis, squa- ra. 

 mis calycinis superne ruas. — Mich. Ji. amer. 2. 

 p. 125. 

 In woodSj on the coast of Virginia and Carolina. T2 . 

 Aug. — Oct. V. V. Resembles the following. 



3. B- foliis obovalis superne inci.'Odentatis, panicula com- halimifolia. 

 pohita foliosa, fasciculis pedanculatis. — IVitld. sp. pi. 3. 

 p. 1915. 

 Icon. Schmidt arb. 82. Her ni. par ad. 225. Pluk. aim. 



t.27.f.2. 

 ©n the sea-coast : Maryland to Florida. Ij , Sept. — 

 Nov. V. V. The whole shrub is covered with a 

 white powder. 



624. CONYZA. Gen. pi. 1286. 



1. C, herbacea, pubescens ; foliis sessiiibus lato-lanceolatis marylandica. 



acutis serratis : serraturis apice cartilagineis, corvmbis 

 terminalibus fastigiatis coarctatis subaphyllis, calycinis 

 squamis subulato-roucronatis floscurs brevioribus. — ■ 

 Mich.Jl. amer. 2. p. 126. exclus. syn. IVdlteri. 



Erigeron camphoratum. IVilld.sp. pi. 3. p. iy60. 



Icon. Dill. elth. t. 88./. 104. 



In overflowed places, near rivers and ponds : New York 

 to Carolina. Q- Aug. — Oct. v, v. About a foot 

 high ; flowers reddish-purple ; the whole plant emits 

 a strong scent of camphor, only more disagreeable. 



2. C. herbacea, subpubescens ; foliis petiolatis ovato-lanceo- camphorata, 



iatis acutissimis subrepando-denticulatis : denticuJis 



