U. S. UEPARTMl'LNT OF A(}RICULTURK. 



DIVISION OF BOTANY. 



contkii^i:tion8 



KKOM 



THE U. S. NATIONAL HERBARIUM. 



Vol. Vll, No. 1. 



ISSlJi^M) DECEMBER 31, 1{M>0. 



MONOIiRAPII OF TIIK XOKTII AJIEKICAN L'lELLIFEKAE. 



BY 



JOHN M. COULTER mid .1. X. ROSE. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 19 00. 



