45 



2o6. HELIANTHUS, L. 



4S5. H. annuus, L. 

 a 480. H. giganteus, L. (?) 



Rare. Salamanca, Catt. Co.. Clinton ; Fredonia, Chat. Co., 

 Petit, ex fide. Burgess. 



4S7. H. strumosus, L. 



4ss. H. divaricatus, L. 



489. H. decapetalus, L. 



490. H. doronicoides, Lam. 



The cultivated variety, formerly known as H. tuberosus, has es- 

 caped from cultivation in some places in and near Buffalo. 



207. COREOPSIS, L. 



491. C. trichosperma, Michx. r-t_0Lkvw« £wki*<f» 



Not seen except in the S. E. portion of Buffalo; there abundant. 



492. C. tinctoria, Nutt. 



Spontaneous in gardens, and escaping, Buffalo. 



C. Drummondii. 



Spontaneous in gardens, Buffalo. 



20S. BIDENS, L. 



493. B. frondosa, L. 



494. B. connata, Muhl. 



495. B. cernua, L. 



49G. B. chrysanthemoides, Michx. (?) 



Possibly our B. chrysanthemoides is only a form of B. cernua, L. 



497. B. Beckii, Torr. 



Rare. "Smuggler's Run," Squaw Is., Niagara R., Erie Co., 

 Clinton. 



49S. B. bipinnata, L. 



Rare. A " railroad weed," Buffalo; not lately seen, Clinton. 



209. DYSODIA, Cav. 



499. D. chrysanthemoides, Lag. 



Rare. A " railroad weed;" Ft. Erie, Ont.. not lately seen. 



210. HELENIUM, L. 



500. H. autumnale, L. 



211. GALINSOGA, Ruiz and Pav. 



501. G. rARViFLORA, Cav. 



Rare. Court yards and streets, Buffalo. Introduced. 



212. MARUTA, Cass. 



502. M. Cotula, DC. 



