385] FLORA OF COLUMBIA AND VICINITY 243 



435. HIERAOIUM L. Hawkweed. 



1056. H. longipilum Terr. Long-haired hawkweed. 

 Roadsides; local. 



Ontario to Minnesota; Illinois to Kansas and Texas. 



1057. H. Gronovii L. Hairy hawkweed. 

 Common on barren hills. 



Massachusetts to Ontario, Michigan and Missouri; 

 Florida to Louisiana and the Indian Territory. 



1058. H. scabrum Michx. Rough hawkweed. 

 Rare in dry woods and thickets. 



Nova Scotia to Minnesota; Georgia to Kansas. 



