MICHIGAN WEEDS. 



437 



Fig. 237. 



Stinking Willie. Staggerwort. Senecio JacobaeaL. Perennial, stout, often woolly, 

 very leafy, 60-120 cm. high, having short, thick rootstocks; leaves usually 2-3-times 

 lobed, 2-15 cm. long; heads very numerous in large compact, flat-topped clusters: 

 flowers golden-yellow. Introduced from Europe and found in Maine, Nova Scotia, 

 Quebec, locally in Ontario. Not yet known to occur in Michigan. The plant is 

 very poisonous, causing a fatal disease of the liver in cattle. It is not injurious to 

 sheep. 



21 



