32 
and self-fertilization was indicated by the varying relative lengths 
of the stamens and pistils 
utants were seen to arise from seeds obtained from purely 
fertilized seeds of O. Lamarckiana grown in the Botanical Garden 
at Amsterdam in 1901. lso from seeds of the same species 
gathered in the New York Botanical Garden in 1903 after-similar 
pale of the types (No. 2. 2.0) of the ees between Lamarck’s evening- 
This type 
Fig. 10. 
primrose and t has Peale: a eee ncy to 
(0 
disease from its pollen-parent, the ex common 
precautions had been observed. Q. albida, O. scintillans subovata, 
0. — oblonga, and gigas were found, offering indubitable 
evidence of the occurrence of the mutants in purely nab 
seeds, a also that O. Lamarckiana has not reached the e 
