EXPLANATION OF PLATE III 



Pago. 



Fig. l.Populites laucastrieusis, Lesqx , °° 



Figs. 2, 4, Greviopsis haydenii, sp. nov "' 



Fig. :?, Populitea elegans, Lesqx & 9 



Fig. f>, Sassafras ? subintegrifolinm, Losqx 82 



y 



