SYNGENESIA. jEQUALIS, 6S 



347. Cichorium. 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. % . y . 

 Aug. — Dec. purple. §. 

 34y Cxicus. Willd. Thistle. 



1 lanceolatus. Willd. (Spear thistle. J 



Carduus lanceolatus. Sm. I . July — Oct. purple. §. 



2 altissiraus. Willd. 

 Carduus altissimus. L. 

 Cirsium repandum. Mx. 



Old fields, u- June — Sept. purple, sometimes white. 



3 arvensis. Pers. ("Canada thistle. J 

 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, y. June, Aug. pale yellow. 



5 muticus. Muhl. Ph. 

 Cirsium muticum. Mx. 



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

 % . Aug. Sept. purple. 



6 discolor. Muhl. 

 Carduus discolor. Pers. 



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

 ly — Sept. purple. 



7 pumilus. Nutt. 

 odoratus. Muhl. Cat. 



In the vicinity of New- York. (Nuttall.J 



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

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

 New-York. (Nuttall.J 



350. Bidens. L. Burr-marifgold. Beggar-ticks, 



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



yellow. 



2 Chrysanthemoides. Mx. 

 connata. Willd. 

 Coreopsis perfoliata. Walt. 



In ditches and overflowed meadows. 0. Aug. — Oct. yellow. 



3 frondosa. L. Wet shady woods, Bloomingdale. $>. 



Aug. yellow. 



4 bipinnata. L. (Cuckolds. J Old fields and along tht 



Hudson. 0. July — Sept. 



351. Mikania. Willd. Climbing hemp-weed. 



scandens. W r illd. 

 Eupatorium scandens. L, 



