Smithsonian Report. 1953. — Egler 



1. A low ground cover of spray-sensitive dewberry {Rubus hispidus) at WHDH transmitter 

 site. Appearance 3)4 years after selective spraying of brush. (Photograph by Boston 

 Herald Traveler Corporation.) 



2. A cover of swamp grass {Calamagrosiis canadensu) on the same peat soil as that shown 

 in figure 1, above, on an area blanket-sprayed 3 years previously. The grass is tall, dense, 

 difficult to walk through, and a fire hazard at many seasons. (Photograph by Boston 

 Herald Traveler Corporation.) 



