48 PUBLIC HEALTH BULLETIN NO. 286 



8. Leaves with terminal leaflet largest 9. 



8. Leaflets all near the same size 10. 



9. Flowers yellow (fig. 5) Rorippa, p. 1 19. 



9. Flowers white (fig. 6) _. Nasturtium, p. 119. 



Figure 5. 



Figure 6. 



10. Plants with simple as well as compound 11, 

 1^ leaves. 



10. Plants with all leaves compound 12, 



11. Individual leaflets of compound leaves also lobed or Neobeckia. p. 119. 



divided (fig. 7). 

 11. Individual leaflets simple (fig. 8) Proserpinaca, p. 129. 



Figure 7. 



