CII. Ill] 



LEMXA. 



65 



(P). Four or five weeks (in May) are necessary to give 

 the result. Owing to an accident the figures do not 

 show the strong growth of roots in (S) 1 . 



FIG. 12. Exp. 77. (Reduced.) 



FIG. 12. Exp. 77. (Reduced.; 



1 In both cultures there were originally 6 plants each with 9 fronds. 

 D. A. 5 



