B.S. 22096. An alkaline 
pool in the Riacho Sal ado. Kilo- 
metro 170. Puerto Pinasco, 
Paraguay. 
September 24, 1920. 
S-X. 34.5^ 
&.'3v~2209S* Open country 
with soil of dry sandy loam near 
Riacho Salado, Kilometro 170. Dry 
grass has been burned by Indians. 
Puerto p inasco, Paraguay. 
September 24, 1920. 
B.S. 22097* Open country with 
soil of dry sandy loam near Riacho 
Salado, Kilometro 170. Puerto 
Pinasco, Paraguay. 
September 24, 1920. 
