THE AMERICAN NATURALIST [Vol. XLVII 



1 



Singed base of buds. 

 Cut base of buds with 

 Seed abortive. ' 

 Seed abortive. 

 Singed stigmas. ! 

 Singed base of buds. 



il 





1 



N. Sartdarw 



N. Forgetiana 

 N. Lan{jsdorflii 

 N. Sandarae 

 Self 



N. Forgetiana 

 N. Forgetiana 



Self 

 N. Tabacum 



1 



Illli ! ! 

 Sll1l.ll I il ■ n 



till 13 1 | 

 HI £ * I s 



1 



j 



Decap.' 



Decap.' 



Emas.^mi covered 



Decap. 

 Decap. and bagged 

 Hot pt. wire and 



Decap. 



Hot pt! wire and 



Hot pt?wir'e and 

 Hot p^wire and 



r s 





<n 





J 



Iliiill 



* ***** * 



