74 BOTANY OF MICHIGAN 



Hieracium auriantiacum L. Orange hawkweed. First noticed about 

 two miles north of Alpena. Very abundant and a pernicious weed from 

 there to and in Presque Isle and Cheboygan counties. Reported as 

 appearing there about ten years ago. 



Hieracium venosum L. Rattlesnake-weed. Frequent in dry open or 

 slightly shaded ground from Bay County to St. Ignace, Mackinac 

 County. 



Hieracium scabrum Michx. Rough hawkweed. Dry open ground 

 from Bay County to St. Ignace, Mackinac Count}". Frequent through- 

 out. 



Hieracium canadense Michx. Canada hawkweed. Noticed in dry 

 open ground from Bay County to St. Ignace, Mackinac Countj 7 . Fre- 

 quent throughout. 



Hieracium umbellatum L. Narrow-leaved hawkweed. Dry open oj 

 partially shaded ground from Alpena to Mackinac Island, Mackinac 

 County. Frequent. 



