UNITED STATES GEOLo* !I( \\L SUTJVEY 



CHARLES D. WALCdTT, DinEcruK 



s r A T u s 



l)K THE 



MESOZOIC FLORAS OF TUF UXITFI) STATES 



I'.Y 



LESTER F. )VAKD 



WITH THK ri) 1j I, ABO U A TIOX l)F 



William A1. Fontaink, AiiTHtiu Bikbins, and (i. \{. Wieland 



Pf^irt I.-TKXT 



.-IBRARY 

 NEW YORK 

 BOTANICAL 



OARDEN. 



WASHINGTON 



GOVEKXMENT PRINTING OFFICE 



19 05 



