B.S. 22076. Lagoon filled with 
floating vegetation, Kilometro 80. 
Puerto Pinasco, Paraguay. 
September 15 , 1920. 
B.S. 22077* Shore line of 
lagoon filled with floating 
vegetation. Kilometro 80. 
Puerto Pinasco, Paraguay. 
September 15, 1920. 
B.S. 22078. Growth of plant 
known as Llanten de Caballo that covers 
broad surfaces in lagoons. Kilometro 
80, Puerto Pinasco, Paraguay. 
September 15, 1920. 
