Bui. 15, Bureau of Plant Industry, U. S. Dept. of Agriculture. 



Plate XV. 



Fig. 1 .— Sprangle Top (Scolochloa festucacea) on Malheur Lake Bottoms, 



Oregon. 



Fig. 2.— A Patch of Tule on Malheur Lake Bottoms, Oregon. 



The team is standing in a patch of bur-reed (Sparganum). 



