FIG. 14 — WEED-SEEDS 



a, Peppergrass {Lepidium virginicum\\ b. Slender Rush (/uncus /etiuis) ; 

 c. Velvet-grass {Holcus lanaius) ; rf, Fivefiuger {Potentilla monspelicnsis) ; 

 1?, Oxeye Daisy {Chrysanthemuvi leiicanthemum) \ /, Sorrel {Runiex 

 aa:(oseUa)\ g. False Flax [Camelina sativa) \ h, Canada Thistle 

 {Cardiiits arvensis). 



67 



