SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 



I 



CONTRIBUTIONS 



FROM THE 



iiTED States National Herbarium 



Volume 23, Part 5 



TREES AND SHRUBS OF MEXICO 



(BIGNONIACEAE-ASTERACEAE) 



By PAUL C. STANDLEY 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1926 



