HORSE-CHESTNUTS 



91 



On April 13th another having shown above soil it was 

 sketched first in the pot, as it was about to put forth its 

 second leaves : 



and then after it had been washed and the seed cut in section. 



The radicle emerged from the seed just above and on 

 the lejt of the circular lighter patch, whereas in the last 

 example it was on the right, but in a symmetrical position. 

 From its junction with the radicle the plumule to half its 

 height was pink in colour, merging in the upper part into 

 chlorophyll. The membrane, or skin, coating the radicle 



H 



