PLATE 39 

 Crepis capiUaris 



Fig. 1. At right and left are plants representing the fourth generation of 

 inbreeding in two related strains. 



The central plant is the result of crossing an inbred plant of the third 

 generation with a totally unrelated non-inbred strain of Crepis. 



Fig. 2. The same three plants as shown in figure 1, photographed about 

 six weeks later, showing the precoeiousness of the hybrid (115) when compared 

 with the inbred plants. 



Plants growing in four-inch pots. 



[212] 



