SYNGENESIA. jEQUALIS. $3 



S47. Cichokium. L. Succory. Endive. 



Intybus. L. (Coffee weed.) Old fields and road sides. 

 U. June — Oct. blue or violet. §. 

 348. Arctium. L. Burdock. 



Lappa. L. Road sides, and borders of fields. %. if. 

 Aug. — Dec. purple. §. 



349 Cnicus, Willd. Thistle. 



1 lanccolatus Willd. (Spear thistle.) 



Carduus lanceolatus. Sua. % . July — Oct. purple. §. 



2 altissimus. Willd. 

 Carduus altissimus. L. 

 Cirsium rcpandum. Mx. 



Old fields. 2/. June — Sept. purple, sometimes white. 



3 arvensis. Pers. ( Canada thistle.) 

 Carduus arvensis. Sm. 

 Serratula arvensis. L. Willd. 



Road sides. Long-Island. 2/ ? July — Sept. 



4 horridulus. Muhl. Ph. 

 Carduus horridulus. Pers. 

 Cirsium horridulum. Mx. 



Fields and woods. %. June, Aug. pale yellow. 



5 muticus. Muhl. Ph. 

 Cirsium muticum. Mx. 



In meadows. Love lane, Greenwich, and in swamps, N. J. 

 S . Aug. Sept. purple. 



6 discolor. Muhl. 

 Carduus discolor. Pers. 



Grows at the foot of the serpentine hills, Hoboken. % . Ju- 

 ly — Sept. purple. 



7 pumilus. Nutt. 

 odoratus. Muhl. Cat. 



In the vicinity of New- York. (NiittaVL.) 



B. Hystrix. Nutt. Collected by W. Stuve, M. D. on 

 the banks of the Hudson, in the vicinitv of the city of 

 New- York. (Nnttall.) 



350. Bidexs. L. liurr-marygold. Beggar-ticks. 



1 cernua. L. Low grounds and in ditches. 0. Aug. — Oct. 



yellow. 



2 Chrysanthemoides. Mx. 

 connata. Willd. 

 Coreopsis perfoliata. Walt. 



In ditches and overflowed meadows. © . Aug. — Oct. yellow. 



3 frondosa. L. Wet shady woods, Bloomingdale. Q. 



Aug. yellow. 



4 bipinnata. L. CCuckolds.) Old fields and along the 



Hudson. ®. July — Sept. 



S51. Mikania. Willd. Climbing hempweed. 



scandens. Willd. 

 Eupatorium scandens. L. 



