THE CROWN GALL: CULTURAL CHARACTERS 



455 



FIG. 346. Same as Fig. 345 but from the right side of the locule and further 

 enlarged. Normal septum at right. The rest is deep-staining tumor-tissue. 

 Slide 1198A6; acid fuchsin stain. There are tracheids in the middle of this tumor 

 to the left of the part here shown. Observe also the disorderly arrangement of the 

 tumor cells. 



