INTRODUCT ION 



The foil owing notes are not compiled with any thought that 

 they constitute the last word. Ho claim is laid to infallibility. 

 Often the statements represent the opinion of the writer. The 

 notes, it is hoped, will be thought-provoking and will help the 

 field men to a better understanding of the plants of the region. 



Common names are given where possible and these are in- 

 cluded in the index. It was planned at first to include a botanical 

 key but it was found that such a key of necessity would be very 

 technical and voluminous. If the field man becomes interested in 

 any plant or plants, he can obtain a determination by sending 

 specimens to the Regional Nursery Section. If this cannot be 

 determined readily at Albuquerque the plant in question will be 

 forwarded to " "ashington. It is often very difficult to determine 

 specimens from "scraps". An adequate specimen is pressed and con- 

 tains stems, leaves, flowers, and if possible, fruits. The Soil 

 Conservation Service men in Albuquerque, and even those in the 

 National Herbarium at Washington, are not for the most part wizards, 

 so if you wish plants determined, send in adequate material. 



The notes do not constitute a manual. Perhaps the first 

 plant you will wish to look up will be one not discussed. Your 

 suggestions for a revised edition will be greatly appreciated. 



Plants marked with an asterisk (*) are considered to have 

 the greatest erosion control or forage value. 



