SYNGENESIA : POLYGAMIA ^QUALIS. 461 

 is feflile and plumofe, and confifts of eleven or 

 twelve branched rays. 

 The dry ftalk and calyces of this plant often con- 

 tinue Handing for a whole year after the feeds 

 have ripened, a milerably looking fkeleton ! Lin. 

 FL Suec, 



BIDENS. Gen. pi. 932. 

 Difcoide^. 



Recept. paleaceum. Pappus ariftis eredis, fcabris. 

 Cal. imbricatus. Cor. rarlus flofculo uno alterne 

 radiante inftruitur. 

 tripartita 1 BIDENS foliis trifidis, calycibus fubfoliofis, femi- 

 nibus eredlis. Sp. pL 1165. {Ger. em. Jii.f. i. 

 Loes. FL PruJ. p. 53. /. 10. Moris, hiji. f. 6.t. ^. 

 /. 20. Pet. herb. t. 20./. 7.) 



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

 Anglis. 



By the fides of rivulets, ditches and lakes frequent. 

 O. VIU. 



The flaik is two feet high, and branched : the 

 leaves are divided into three and often five lan- 

 ceolate ferrated lobes : the upper leaves are fmir 

 pie and oval4anceolate : the heads of flowers 

 terminate the branches, and grow credl : under 

 the calyx is a circle of green ciliated leaves : the 

 fcales of the calyx are oval, obtufe, erecl, of a 

 green color, ftrcaked with black, and loofely 

 imbricated : the interior ones have yellow mar- 

 gins, and approach to the nature of the florets : 



the 



