128 MICHIGAN ACADEMY OF SCIENCE. 



2017. X. glabratum (DC.) Britton. Broad Cocklebur. X. strumarium of authors, 

 not of Linnaeus. Detroit, O. A. Farwell. 



X. Pennsylvanicum Wallr. Britton and Brown's Flora. 



2018. X. spinosum L. Spiny Clotbur. Detroit, O. A. Farwell. 



COMPOSITE Adans. Thistle Family. 



VERNONIA Schreb. 



2019. V. Drummondii Shuttlw. Drummond's Iron-weed. V. altissima grandiflora 

 A. Gray. Frequent in the Grand River Valley; Bay Co., G. M. Bradford. 



*2020. V. fasciculata Michx. River banks; Ionia Co.; Macomb Co.; Detroit, 0. A. 

 Farwell; Monroe Co.; Ann Arbor; South Haven, L. H. Bailey. Frequent. C. & S. 



2021. V. glauca (L.) Britton. Broad-leaved Iron-weed. Three Rivers, C. F. Wheeler; 

 Detroit, O. A. Farwell. 



2022. V. interior Small. Detroit, 0. A. Farwell. 



2023. V. maxima Small. Tall Iron-weed. V. gigantea (Walt.) Britton. Detroit, 

 O. A. Farwell; S. W., H. S. Pepoon. Frequent eastward. 



2024. V. Noveboracensis (L.) Willd. Manistee, F. P. Daniels. 



EUPATORIUM L. 



*2025. E. ageratoides L. f. White Snake-root. Woods. Frequent. Th. 



2026. E. coelestinum L. Mist-flower. "Rich soil, Mich." A. Gray's Manual. 



2027. E. maculatum L. Spotted Joe-Pye Weed. Keweenaw Co., Rochester, O. A. 

 Farwell; near Algonac, C. K. Dodge. 



*2028. E. perfoliatum L. Thoroughwort. Boneset. Low grounds. Common. Th. 



*2029. E. purpureum L. Joe-Pye Weed. Keweenaw Co., Rochester, 0. A. Farwell. 

 Th. 



*2030. E. purpureum falcatum (Michx.) Britton. Keweenaw Co., 0. A. Farwell. 



2031. E. sessilifolium L. Upland Boneset. Copses. Macomb Co.; S. Mich., Winch. 

 Cat. S. 



2032. E. trifoliatum L. Rochester, O. A. Farwell. 



WILLUGBAEYA Neck. MIKANTA Willd. 



2033. W. scandens (L.) Kuntze. Climbing Hemp-weed. Mikania scandens Willd. 

 Banks of Muskegon River for a distance of eleven miles above Black Lake, C. D. 

 McLouth. 



KUHNIA L. 



2034. K. eupatorioides L. Ionia Co.; S. Mich., Winch. Cat. Infrequent. C. & S. 



LACINARIA Hill. LIATRIS Schreb. 



2035. L. cylindracea (Michx.) Kuntze. Cylindric Blazing Star. Liatris ci/Undracea 

 Michx. Sterile open places; Ionia Co.; Macomb Co.; Lenawee Co., G. F. Comstock; 

 Tuscola Co.; Grand Rapids to Keweenaw Co., O. A. Farwell. Not common. Th. 



*2036. L. scariosa (L.) Hill. Large Button Snake-root. Liatris scariosa Willd. 

 Rarely the flowers vary to white. Dry soil. Ann Arbor; northward to Keweenaw 

 Co., O. A. Farwell. Frequent. 



2036a. L. scariosa corymbulosa Sheldon. Orion, O. A. Farwell. 

 2037. L. scariosa squarrulosa (Michx.) Small. Orion, O. A. Farwell. 

 *2038. L. spicata (L.) Kuntze. Dense Button-Snakeroot. Liatris spicata Willd. 



Low grounds. Ionia Co.; Macomb Co.; near Port Huron, C. K. Dodge; Bay Co., G. M. 

 Bradford; Kalamazoo, Tuthill. Infrequent. 



GRINDELIA Willd. 



2039. G. squarrosa (Pursh.) Dunal. Broad-leaved Gum-plant. Escanaba, R. E. 

 Merrell; near Lapeer, Mrs. M. Owen; Marquetts, O. A. Farwell. Occasionally introduced 

 in grass seeds from the west. 



