FIG. 14 WEED-SEEDS 



, Peppergrass (Lepidium virginicum) ; b, Slender Rush (Juncus tennis} \ 

 c, Velvet-grass (Holcus lanatus) ; rf, Fivefinger (Potentilla monspeliensis) ; 

 e, Oxeye Daisy (Chrysanthemum leucanthemum) ; /, Sorrel (Rumex 

 acetosella) ; g, False Flax ( Camelina saliva) \ h, Canada Thistle 

 (Carduus arvensis). 



67 



