~) 
FLORA OF NEW MEXICO. 
By E. O. Wooton and Pau ©. STanpey. 
INTRODUCTION. 
This flora of New Mexico is a list of all the species of phanerogams 
and vascular cryptogams at present known to occur within the State, 
with keys to the families, genera, and species. Although we have 
examined all the herbarium material easily accessible and have 
endeavored to verify all published data, we know that the list is far 
from complete. Even in the most carefully explored areas of the 
eastern United States, species which have been overlooked are still 
coming to light and more careful study of more copious material is 
increasing the number of recognized species. Much more are addi- 
tional species to be looked for within the 122,000 square miles 
embraced in the area of New Mexico, many large portions of which 
have never been visited by any botanist, while even the most familiar 
regions have not been thoroughly examined. Thus it is certain that 
as collectors extend their fields of exploration our present list of 2,975 
species will be increased to far above 3,000. It is along the borders 
of the State that the greater number of additions will be found, espe- 
cially in the southeastern and southwestern corners and in the high 
mountains along the Colorado line, but isolated mountain ranges in 
the interior probably hide endemic species still unknown. 
Various short accounts of New Mexico and Arizona plants were 
published by the earlier botanists of the United States. These, 
however, are too incomplete and disconnected to be of much use for 
identification purposes. Two or three more general works are avail- 
able for use in New Mexico, but none is complete for any part of the 
State. The Botany of Western Texas, by Dr. J. M. Coulter,? contains 
descriptions of a majority of the plants of southeastern New Mexico, 
but the volume is not provided with keys to the species and the nomen- 
1 See, Paul C. Standley. A bibliography of New Mexican botany. Contr. U. 8S. 
Nat. Herb. 13: 229-246. 1910. 
? Contr. U. 8. Nat. Herb. 2. 1891-94. 
