FLORA OF MICHIGAN. 103 



587. S. iiitejfrifoliiim, Michx. 



S. W., University Herb.; Kalamazoo, Tuthill. 



588. S. perfoliatum, L. Cup-Plant. 



S. Mich., -Wright's Cat. * 



2OO. IVA, L. MARSH ELDER. HIGHWATEK-SHKUB. 



589. I. xanthiifolia, Nutt. 



Keweenaw Co., F. The farthest station east known. 



2O1. AMBROSIA, Tourn. RAGWEED. 

 *590. A. trifida, L. Great Ragweed. Th. 



Common. Low grounds along Grand and Maple Rivers; northward to Keweenaw Co., F. 



* 591. var. integri folia, T. & G. Th. 



*592. A. artemisiaefolia, L. Roman Wormwood. Ragweed. Hog-weed. 



Bitter- weed. Th. 



Roadsides. Introduced from the west. Abundant. 



2O2. XANTHIUM, Tourn. COCKLEBUR. CLOTBUR. 

 *593. X. Canadeiise, Mill. 



Common in waste places and along river banks. 



594. var. ecliinatum, Gray. 

 Shores of Great Lakes. 



2O3. HELIOPSIS, Pers. OX-EYE. 



595. H. Isevis, Pers. C. & S. 



Banks. Infrequent. 



2O4. ECHINACEA, Moench. PURPLE CONE-FLOWER. 



596. E. purpurea, Moench. S. W. 



Univ. Herb.,- Harrington ; Grand Rapids, Delia Bailey; St. Joseph, Dr. Houghton, 1838. Rare. 



597. E. angiistifolia, DC. 



Keweenaw Co., F. 



2O5. RUDBECKIA, L. CONE-FLOWER. 

 *598. R. laciniata, L. Th. 



Low grounds. Frequent. 



599. R. triloba, L. 



Washington, Macomb Co., Cooley. Rare. 



*600. R. hirta, L. Th. 



Meadows and low places, apparently introduced. Common. 



*601. R. speciosa, Wenderoth. C. & S. 



Wet soil. Ionia Co.; Flint; Macomb Co.; Ann Arbor. Infrequent. 



206. LEPACHYS, Raf. 

 *602. L. pinnata, Torr. &Gray.; C. & S. 



Dry ground. Ionia Co.; Grand Rapids; S. Mich. Infrequent. 



2O7. HELIANTHUS, L. SUNFLOWER. 



603. H. rigidus, Desf. S. 



Dry soil. Ann Arbor, Winch. Cat. 



604. H. occidental, Riddell. C. & S. 

 Sterile soil. Ionia Co.; Flint; Grand Rapids; Macomb Co., etc. Infrequent. 



