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



Plate VII. 



Fig. 1.— Lechuquilla (Aqave lechuguilla) Growing on Limestone Hills at 



El Paso, Tex. 



Fig. 2.— The Spanish Bayonet, or Amole (Yucca baccata), in Flower, 

 San Andreas Mountains, N. Mex. 



