OF A PARTIAL KEMOVAL OF ROOTS, ETC. 



D 



than those of the second, but the lengths of the stems were 

 iiboiit the same in both series. 



Table IV. 



Welter-culture of Pimvi arvcme. 



2 December, 1*J02. Young plants were transferred to water-culture. 

 80 April, 1903. End of the experiment. 



