PUBLISHEES' NOTE. 



THE issue of Professor COULTER'S Botany of the Kocky 

 Mountains, and of the Great Plains between them and the 

 Mississippi Valley, now for the first time brings this great 

 and increasingly populous district, from Dakota and Montana 

 to New Mexico, within the pale of botanical instruction. 



To meet the wants of the institutions of learning, as well 

 as of private students, throughout this vast region of sur- 

 passing botanical interest, the publishers have combined into 

 one volume this Eocky Mountain Flora with Gray's Lessons 

 in Botany, as its appropriate introduction, grammar, and 

 lexicon. 



541831 



