462 SYNGENESIA: POLYGAMIA i^QU ALIS. 



the florets are yellow and tubular, and are fomc- 

 times, but not always, furrounded with femiflof- 

 culous rays : the receptacle has chaffy fcales be- 

 tween the florets : the feeds are flattifh and an- 

 gular, and have two beards arifing from the an- 

 gles, which are hooked or barbed downwards, 

 and generally another fhorter beard, which arife^ 

 from the middle of the back of the feed. 



As this plant is found by a chemical analyfis to pof- 

 fefs much the fame qualities as the celebrated 

 VERBESINA Acmella^ a plant belonging to a 

 genus very nearly related to this, it is probable 

 it would have the lame good effeds in expelling 

 the flone and gravel. 



A deco6tion of this plant with alum dyes yarn with 

 a yellow color. The yarn muft'be firfl fteep'd in 

 alum-water, then dry'd and fteep'd in a decoc- 

 tion of the plant, and afterwards boil'd in the 

 decoction. 



The feeds have been known fometimes to deflroy 

 the CYPRINUS ^/^r^/^/j", ox gold fijh, by adher- 

 ing to their gills and jaws. 



cernua 2* BIDENS foliis lanceolatis amplexicaulibus, floribus 

 cernuls, feminibus eredtis. ^9^. pL 1165. {Lees, 

 FL Vrujf. p. 54. /. 1 1. Moris, bift. f. 6. /. 5. /. 

 22. Pet, herb, t, 20./. 6) 

 Nodding Water-hemp-agrimony, or Bur-marygold. 

 Jnglis. 



^In 



