NIK FLORA OF SCOTT \NH MUSCATINE COl N TIES. 225 



307. G. Irifn/itm, I.., var. iatifolium, Torr. 

 Low wet grounds ; common. 



308. G. asprellum, Michx. 

 Woods ; common. 



309. G. triflorum, Michx. 

 Moist woods ; not common. 



VALERIANACE/E. 

 Valeriana, Tourn. 



310. /". edulis, Nutt. Valerian. 



Wet prairies near Maysville and Lldridge ; rare. 



composite:. 



Vernonia, Schreb. Iron weed. 



311. V.fasciculata, Michx. 



I w grounds ; common. In Lake T' w'p., Muscatine county, 

 there is a white- flowered form of this species. 



312. V. altissima, Nutt., var. grandiflora, Nutt. 

 Near Davenport ; rare. 



Eupatorium, Tourn. Thoroughwort. 



313. E. purpureum, L. Joe-Pye Weed. 

 Low grounds ; frequent. 



314. E. seroti nut/i, Michx. 

 Low grounds ; common. 



315. E. altisswiiiin, L. 

 Dry soil ; infrequent. 



316. E. perfoliatum, L. Boneset. 

 Low grounds; common. 



317. E. ageratoides, L. White Snake-root. 

 Rich woods ; common. 



Kuhnia, L. 



318. K. eupatorioides, I,. 

 Dry soil ; common. 



Liatris, Schreb. Blazing Star. 



319. Z. cyltndracea, Michx. 

 Sandy prairies ; infrequent. 



320. Z. scariosa, Willd 

 Dry soil ; common. 



[PROC.D.A. S., VOL. VIII.] 29 [j.ily ,,, ,900] 



