150 NEW YORK STATE MUSEUM 



Hieracium praealtum Yill. 

 King devil 

 In a meadow near Apalachin. Rare. June- August. 



Hieracium venosum L. 

 Rattlesnake weed 

 Dry woods and thickets. Common. June- August. 



Hieracium canadense Michx. 

 Canada hawkweed 

 Dry woods and thickets. Frequent. August. 



Hieracium paniculatum L. 

 Panicled hatvkweed 

 Dry, open woods. Common. August. 



Hieracium scabrum Michx. 

 Rough hawkweed 

 Dry soil in woods and clearings. Common. August. 



Nabalus altissimus (L.) Hook. 

 Prenanthes altissima L. 



Tall 'White lettuce 

 Woods and thickets. Common. August-October. 



Nabalus albus (L.) Hook. 

 Prenanthes alba L. 

 White lettuce. Rattlesnake root 

 Thickets and borders of woods. Common. August- September. 



Nabalus serpentarius (Pursh) Hook. 



Prenanthes serpent aria Pursh 



Lion's foot. (Jall-of-the-earth 

 Thickets and open woods. Common. August- September. 



AMBROSIArEXE 

 Ambrosia trifida L. 



Great ragiceed 

 Abundant along the river banks. August-September. 



Ambrosia trifida integrifolia (Miihl.) T. & G. 

 With the type. Frequent. 



