Plant Models 



Frank Boryca (FM1 947-1 972), 

 left, and Emit Sella (1898-1965, 

 FM1938-1961) shown in 1947 

 while making plastic leaf mod- 

 els with hydraulic press. Large 

 leaves, such as those of cab- 

 bage, were made of wax in 

 plaster molds. Smaller leaves 

 were made of plastic in metal 

 dies. Boryca was a preparator 

 in the Department of Botany, 

 Sella 's position was curator of 

 exhibits for Botany. bso328 



24 



Emit Sella, in 1950s, working on model of 

 welwitschia. plant from southwestern Africa. 



B80027B 



