UNITED STATES 8c MEXICAI^ BOUNDjUlY pala: 



( Cretaceous ) 



P].7. 



\s 



cSr. 



4 b 



2 b 



3 t 



1 d 



3 g 



y 



^^ 



/i 



F.B.Meek del J.E.Ga.vit sc 



1 EXOOrRA ARIETENUM. 2 tXOCYRA FOLIACEA 3 CRVPH/€A PITCHERI '. CRYPH.CA L.CVIUSCULA. 



