Bui. 728, U. S. Dept. of Agriculture. 



Plate III. 





Fig. 1.— A Characteristic Stand of Soap Weed (Yucca elata) in Southern New 



Mexico. 



The yield from such an area will average 2 to 2 J tons of fresh feed per acre, but a growth of 10 

 or 12 years will be necessary to produce another such crop. 



Fig. 2.— A Typical Large Soap Weed (Yucca elata) Growing in a Deep Sandy- 

 Soil Such as It Prefers. 



