795 



For the sake of greater clearness, the cross sections shown in Figs. 184 

 and 185 have been taken from the upper similarly constructed but more 



Fig. 185. 

 place of 



strongly 

 section, 



Cross-section through the ringing roll at a considerable distance from the 

 its appearance, i. e. where it is more luxuriously developed, as would be 

 found in Fig. 183, possibly in the plane k to wh. 



developed callus of the same vine, which furnished the longitudinal 

 Fig. 183. 



