LIFI-: 



Fig. 460. GROUP OF FOSSIL LEAVES OF TYPICAL CRETACEOUS PLANTS FROM 

 THE DAKOTA HORIZON, a, Liriodendron giganteum Lesq.; b, Nyrica longa Heer; c, 

 M<iH(iliti pseudoaCHtninata Lesq.; d, Starctufa niucrondlu Ix-sq.; c, (JiicrcHs snsfxrld 

 Lesq.;/, Viburnum fattqttitaterdU Lesq.; g, BetulitesVffSti^ var. snl>intcrifolii<s Lesq.; 

 h, Sassafras xiibintcgrifolhtm Lesq.; i, fr'icus iiucqualix Lesq. 



dinosaurian development was in the herbivorous branch. Some of 

 the forms were very large, of quadrupedal habit, with enormous 



