OF A TAUTIAL RE^IOVAL OF KOOTS, ETC. 



-ïVj 



II. Removal of stem. 



(1) Pharbitis hederacea. 



Tlie cultures were arranged in two series : in Series T, the 

 sprouts were removed repeatedly. The plants of the two series 

 flowered at about the same time, but the size of the flowers of 

 the first series was greater than that of the control plants. 



Table Vlll. 



Pot-culture of Pharbitis hederacea. 



19 August. Seeds germinated. 



30 October. End of the experiment. 



The size of flower taken was that of the flower which opened 



first. 



