FLORA 



OF THE 



ROCKY MOUNTAINS 



AND 



ADJACENT PLAINS 



Containing descriptions of the native and naturalized 

 flowering plants and fernworts, growing in 



Colorado, Utah, Wyoming, Idaho, 

 Montana, Saskatchewan, Alberta 



and the neighboring parts of 



Nebraska, South Dakota, North 

 Dakota and British Columbia 



P. A. RYDBERG, PH.D. 



Curator, New York Botanical Garden 



Published by the author Price, $3.75 net 



Address: 3304 Rochambeau Avenue, New York City. 



After more than twenty-five years of study of the Flora of the 

 Rocky Mountain region and seventeen years after the first description 

 was drawn, the author has presented this work to the public. The 

 Flora is a book of xii+1110 pages octavo and contains the descrip- 

 tion of 1038 genera and 5897 species of plants, of which respectively 

 13 and 43 are proposed as new, together with keys to families, genera 

 and species. The introduction contains also a history and scope of 

 the work, information concerning nomenclature, pronunciation and 

 accentuation of scientific names, names of authors, common names, 

 distribution, altitudes and life zones, and tables of abbreviations, &c. 

 The appendices give a summary, a list of new genera, new species and 

 new combinations published, a list of the authors of the scientific 

 names, a glossary of the botanical terms, and an index to Latin and 

 English names. 



