RIVALRY OF PLANTS 173 



fundamentally important to the life and well- 

 being of the human race than the trolley 

 or the telephone or the omnipresent auto- 

 mobile. 



Who among us shall say what new plants even 

 a decade now may bring forth? 



On and on we go; one step hack- 

 ward, sometimes; then two steps 

 forward; marking time awhile; 

 then onward with a flight. 



