EXPLANATION OF PLATE XXVII. 



Page. 



Fig. 1 , Protophyllum minus, sp. uov 104 



Fig. '2, Sassafras harkerianum, Lesqx 81 



Fig. 3, Protophyllum nebrascense, sp. nov 103 



Figs. 4, 4 n ,MyricsB? seuiina G3 



Fig. 5. Carpoltthes? 114 



