44 General Key to the Families 



XXI. AGOSERIS. Raf. 



1. A. glauca. (Pursh.) Steud. Large-flowered 



False Dandelion. 



2. A. gracilens. Gray. Small-lowered False Dande- 



lion. 



3. A. aurantiaca. (Hook.) Greene. Copper False 



Dandelion. 

 XXII. CREPIS. L. 



1. C. elegans. Hook. Many-How 'ered Hawksbeard. 



2. C. nana. Richards. Alpine Hawksbeard. 

 XXIII. HIERACIUM. (Tourn.) L. 



1. H. Scouleri. Hook. Hairy Hawkweed. 



2. H. gracile. Hook. Small Hawkweed. 



3. H. umbellatum. L. Narrow-leaved Hawkweed. 



