IOWA ACADEMY OF SCIENCES. 
Plate xiv 
Cmcus discolor, i , head; 2 , leaf; 3-4 , pappus; 3, of outer row of flowers; 4, inner row of 
flowers; 5, outer bracts; 6, inner bracts; <?, flower showing anthers, filaments and style. (Char- 
lotte M, King.) 
