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LOUISE DOSDALL 



(b) Cultures with mesophytes. The method of growing the 

 plants in the same pots is shown in figure 1, and the results are 

 given in table 4. 



The table shows (except in the case of Equisetum hyemale) 

 that Equisetum wilted before the mesophytes when the root 



TABLE 4 



Relative time of wilting of Equisetum and mesophytes grown simultaneously in the 



same pots 



systems of both were in good condition and well distributed in 

 the pots. In some cases the exact number of days for the 

 wilting of the mesophytes was not obtained, but the fact that the 

 Equisetum wilted first is indicated. The discrepancies in the 

 cases of Phaseolus are attributed to the poorly developed root 



