Smithsonian Report, 1908. — MacDougal. 



Plate 1, 



LAMARCK'S Evening Primrose and Ten of its Mutants. 



The dense rosette in the lower left-hand corner is 0. lamarckiana, the parental form. O. gigas 

 is in the upper right-hand corner, and under it is O. scintillans. The irregular rosette above 

 0. lamarckiana is 0. albida, and to the right of alhida is lata. O. oblonga is in the upper 

 left-hand corner. 



