BEAL ON MICHIGAN FLORA. 135 



TUSSILAGO L. 



2212. T. Farfara L. Sault de Sto. ^Maiie, Whitney's Cat.; Washington, Macomb 

 Co., W. A. I'.rothcrton. 



PETASITES Caertn. 



221.3. P. palmata (Ait.) A. Gray. Harrisville, Oscoda, Alger, and westward; Ke- 

 weenaw Co.. O. A. Farwell; St. Clair Co., C. K. Dodge. 



ARNICA L. 



2214. A. lanceolata Nutt. Northern Arnica. Sliores of Lake Superior, Gray's 

 Manual;' Copper Harbor, Whitney's Catalogue. "It lias been confused with .4. Cham-- 

 issonis of tlie west."' Britton's Manual. 



ERECHTITES Raf. 



*2215. E. hieracifolia ll..) Raf. P'irewced. New clearings. Common northward. Th. 



MESADENIA Raf. Cacai.i.v 1.., in part. 



221G. M. atriplicifolia (L.) Raf. Pale Indian Plantain. Cacalia atripUcifoIia L. 

 Woods. Ionia Co.; Alma; Ann Arbor; Manistee and Sturgis, F. P. Daniels: Battle 

 Creek. W. S. Cooper; Berrien Co., H. S. Pepoon. Fre(|uent. 



2217. M. tuberosa (Nutt.) Britton. Tuberous Indian Plantain. Cacalia tuberosa 

 Nutt. B. Mich., Wright's Cat.; three miles east of Kalamazoo, 1838, Dr. D. Houghton; 

 Huron and Tuscola counties; Mottville, I. N. ^Mitcliell; Bay Co., G. M. Bradford. 



SYNOSMA Raf. Cacalia L., in part. 



2218. S. suaveolens (L.) Raf. Sweet-scented Indian Plantain. Cacalia sfnn-(f,lpns 

 L. Lodi, Miss Clark, in Winch. Cat.; Gray's ^lanual. Rare. 



SENECIO L. 



*22in. S. aureus L. Golden Ragwort. Squaw-weed. Verj' variable. Common. Th. 



2220. S. aureus gracilis (Pursh.) Britt. A slender form of the Life-root, is fre- 

 quent at Linden Park. Detroit. (). A. Farwell. 



2221. S. aureus lancelatus Oakes. Muskegon Co., C. D. McLouth. 



*2222. S. Balsamitae Muhl. Balsam Groundsel. • S. aureus Balsamitae T. & G. 

 Berrien Co., H. S. Pepoon. Northward to Keweenaw Co. 



*222.'?. S. discoideus (Hook.) Britton. North of Chandler's marsh near Lansing, 

 W. J. B. : Keweenaw Co., O. A. Farwell. 



*2224. S. obovatus Muhl. Round-leaf Squaw-weed. .S'. aureus obovattis T. & G. 

 More common southward. 



*2225. S. vulgaris L. Common Groundsel., Flint; Macomb Co. : S. W. ^lich. Wright's 

 Cat.; Keweenaw Co., O. A. Farwell. 



ARCTIUM L. 



*222('>. A. Lappa L. Great Burdock. Waste places. Common. Th. 

 2227. A. minus Schk. Common Burdock. .1. fjiii/ta miiiHs A. dray. Keweenaw 

 Co., O. A. Farwell; Bay Co., G. M. Bradford. 



CARDUUS L. Cxicus L. in part. 



*222S. C. altissimus L. Tall Thistle. Cninis altissimus Willd. Ionia Co.; Ann 

 Arbor; Flint; Macomb Co.; Bay Co., G. M. Bradford. Infrequent. C. & S. 



*2229. C. arvensis (L.) Robs. Canada Thistle. Cnicus arvensis Hoffm. Fields. A 

 vile pest, introduced from Kuropc. Th. 



22.30. C. crispus L. Port Huron. C. K. Dodge. Introduced from Europe. 



•2231. C. discolor (Muhl.) Nutt. Field Thistle. Cnicus altissimus discolor A. Gray. 

 Meadows. .Montcalm Co.; Tuscola Co.; Ann Arbor; Ionia Co.; Flint; and southward. 

 Flowers sometimes white. Infrequent. C. & S. 



2232. C. Hillii (Canby.) Porter. Hill's Thistle. Cnicus Hillii Canby. Muskegon, 

 U. F. Wheeler; Rochester, O. A. Farwell. 



