270 University of California Puhlications in Botany [Vol. 5 



8. Mrs. R. H. Thomas' results are thus partially confirmed in so 

 far as the N. Tahaciim variety employed in her experiments is con- 

 cerned. All evidence at present available seems to show that par- 

 thenogenesis in Nicotiana is limited to this one strain of .V. Tabacum — 

 i.e., "Xic. tahaccum Cuba." 



Transmitted March 19, 1915. 



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