Figs. 67 - 73.—67, root of common wild parsnip; note that there is a single root; 68, 
leaf of water hemlock; 69, cross section of stem of common wild parsnip; 70, cross section 
of stem of water hemlock; 71, end leaflet of leaf of common wild parsnip; 72, lateral leaflet 
of common wild parsnip; 73, leaf of water parsnip sometimes mistaken for wa/ter hem¬ 
ic ck. 
