«? 



History of Coleus blumoi Plant :;o. 209. 



* 



j 8, 1916. Potted; watered thereafter "by hand* 



July 11, 1916. Connected with auto-irrigator and sealed; 



outlet tubes left open to atmosphere, 



July 24, 1916. Condition and growth rate of plant were 

 normal <> 



July 25, 1916. Replaced soil atmosphere with nitrogen, 



July 28, 1916. Plant showed slight wilting. 



July 29, 1916. V/ilting was more severe and increased in 



severity thereafter. 



Aug. 7, 1916. On removing plant from pot the roots 



were found to be dead. 



