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 hawkweed 

 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. 



Esbalus aibus (L.) Hook. 

 Prenanthes alba L. 

 White lettuce. Rattlesnake root 

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



Nabalus serpentarius (Pursh) Hook. 

 Prenanthes serpentaria Pursh 

 Lion's foot. Gall-of-the-earth 

 Thickets and open woods. Common. August- September. 



AMBROSIACEAE 

 Ambrosia trifida L. 

 Great ragweed 

 Abundant along the river banks. August- September. 



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

 With the type. Frequent. 



