PINK TO MAGENTA 



1. PINK KNOTWEED; SMARTWEED: Com- 

 mon Persicaria: Jointweed. 



Polygonum pennsylvdnicum. 



Buckwheat Family. July Sept. 



A plant of sprawling, branching habit, 1-3 



feet high, common in waste places, moist soil. 



FLOWERS Pink or greenish, small, crowded on 



short, narrow, terminal spikes. 



LEAVES Long, narrow, toothless, tapering to- 

 ward the tip. Plant stems enlarged at 

 the joints. 



LADY'S THUMB: ' P. Persicaria. 



Is a similar species, leaves usually marked 

 with a dark triangle. Found throughout 

 North America. Naturalized from Europe. 



2. WATER PERSICARIA: 



Polygonum amphibium. 



Buckwheat Family. July Aug. 



Found in shallow water. Quebec to New 

 Jersey, west to Pacific. 

 FLOWERS- Pink, small, in short, dense, terminal 



clusters. 



LEAVES Usually floating, smooth, shining 

 above, elliptical or oblong. 



