PENTANDRIA DIGYNIA. 



189 



233. ERYNGIUM. 



Gsn. pi. 456. 

 enjng. 



Delaroche mono^. 



1. E. prsealtum ; foliis longissime lanceolato-linearibus ser- virsinianum. 



ratis : rameis lineari-muUipartitis, involucri foliolis 

 capilulo ovoideo longioribus paleisque 3~5-fidis, ca- 

 pitulis paniculatis. — Lam. encycl.4.p.75g. Delaroche 

 eryng. p. 48. 



E. aquaticum /3. IVilld. sp. pi. 1. p. 1357. Mich. Ji. 

 amer. I. p. 163. 



Icon. Delaroche en/ng. t. ig. Pluk. alm.t.3g6 / 3. 



On the banks of rivers, in overflowed tide-meadows : 

 Pensylvania to Virginia. 1/. July, Aug. v. v. Stem 

 hollow ; flower-heads green or pale blue. I once 

 found a beautiful proliferous variety with pale purple 

 flowers, one on the top of the others, 



2. E. simplex ; foliis ovato-cordatis brevissime petiolatis, virgatum. 



capituJis omnibus pedunculatis, involucri foliolis pa- 



leisque 3-fldis, caule virgato superne tantum ramoso. 



— Lam. encycl. 4. p. 75"/. Delaroche eryng. p. 49. 

 E. ovalifolium. jWich.fl. amer. I. p. l63- 

 E. integrifolium. JFaU. fl. car. 112. 

 Icon. Delaroche eryng. t. 20. 

 In wet meadows and woods : Carolina and Georgia. ?i , 



July. V. V. About a foot high ; flower-heads small, 



round, amethystine-blue. 



3. E. pumilum, graveolens ; foliis serrato-spinosis : radi- foetidum. 



calibus lanceolatis, florallbus palmatis, capitulis cylin- 

 dricis subsessilibus, paleis longissimis liueari-lanceo- 

 M\s.— TVilld. up. pi. 1. p. 1356. 



Icon. Brown, jam. 1. t. 156. f 3. 4. 



In dry fields : Georgia to Florida. 1/ . July, Aug. v. v. 

 Flowers in small heads, herbaceous. Very much es- 

 teemed among the natives as a medicine. 



4. E. elatum ; fol is late-linearibus remote ciliato-spinosis, aquaticum. 



florallbus lanceolatis dentatis, foliolis involucri capitulo 



globoso brevioribus paleisque integris, caule subdicho- 



tomo.— IFilld. sp. pi. 1. p. 1357. 

 Icon. Jacq. ic. 2. t. 34/. Pluk. aim. t. SgG.f. 3. 

 In swamps: Virginia to Carolina. 1/. Aug. v. v. 



Sometimes more than six feet high ; leaves very long ; 



flower-heads pale green. 



