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UNITED STATES GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, Director 
STATUS 
OF THE 
MESOZOIC FLORAS OF THE UNITED STATES 
SeeC @rN 2 3] 2AS ree 
BY 
LESTER F. WARD 
WITH THE COLLABORATION OF 
Witram M. Fonrainr, ArTHUR BIBBINS, AND G. R. WIELAND 
J2eyem IIE ISIbVe IDI DiSy 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1905 
