IOWA ACADEMY OF SCIENCES. 



Cnicns muticus . i. head; 2. leaf; j. portion of stem: 4. outer bracts; s- inner bracts; 6. 

 fiower from outer row, pappus barbellate; a, achene; 7, style; <y, anthers; 9, pappus of inner 

 flowers. (.Charlotte M. King. ) 



