180 



generation, when all the shrubs of a district have been uprooted 

 are therefore very poor. Advantage has been taken of this pecu- 

 liarity by those engaged in exploiting it, to bring about a monop- 



Examining a tree that has been improperly cut. (Dr. Rusby at the left, Dr. 

 Altamirano, Director Nat. Med. Institute of Mexico, at right. ) 



oly. Having purchased all the most important guayule lands, 

 they offered to purchase the shrubs collected from the outlying 

 districts. The price, at first ^lo per ton, has been advanced to 



