UNITED STATES GEOLOGICAL SURVEY OF THE TERRITORIES. 



CONTRIBUTIONS 



TO 



THE FOSSIL FLORA 



WESTEEN TEERITOIIIES. 



P^RT II, 



r.LW Yo; K 



BOTANICAL 



THE TERTIARY FLORA. 



By LEO LESQUEREUX. 



WASHINGTON: 



OOVEENMENT FEINTING OFFICE. 



1878. 



XI 



