FLORA OF NORTHWEST AMERICA. 



Containing 



BRIEF DESCRIPTIONS OF ALL THE KNOWN INDIGENOUS AND 



NATURALIZED PLANTS GROWING WITHOUT CULTIVATION 



NORTH OF CALIFORNIA, WEST OF UTAH, AND SOUTH OF 



BRITISH COLUMBIA. 



BY 

 THOMAS HOWELL 



VOL. I. 



PHANEROGAMS. 



FASCICLE 4, LIGULIFLOR.F TO HYDROPHYLLACE.E 



Price Fifty Cents. 



PORTLAND OREGON, 

 March 21st, 1901. 



