SCHOOLCRAFT COUNTY AND VICINITY 123 



Lactuca canadensis L. Wild lettuce. Rich open or partially shaded 

 ground. Frequent. 



Lactuca spicata (Lam.) Hitchc. Tali blue lettuce. Damp open or 

 partially shaded ground. Common and often abundant. 



Prenanthes racemosa Michx. (Nabalus racemosus (Michx.) D( 

 Glaucous white lettuce. Damp open ground and in damp sand. Fre- 

 quent. 



Prenanthes alba L. (Nabalus albus (L.) Hook.). Rattlesnake-root. 

 White lettuce. Rich woods. Apparently infrequent. 



Prenanthes altissima L. (Nabalus altissimus (L.) Hook.). Tall white 

 lettuce. Rich shaded ground. Frequent. W. T. S. Cornell. 



Hieracium scabrum Michx. Rough hawkweed. Dry open or partially 

 shaded ground. Frequent. 



Hieracium canadense Michx. Canada hawkweed. Dryish ground, 

 open or shaded. Frequent throughout. 



