PLATE XVI.— THE ROT. 



Eig. 1. A section of an olive branch recently attacked by the 



rot (a) increase of cambinni, (enlarged nine times.) 



Eig. 2. Another similar sedion, showing herbaceous growth, 



(nine times enlarged.) 



Eio. o. Transverse section sliowinu* the tubercles of the rot have 

 readied the heart of .the tiee. 



Eig. 4. A diseased brancli (natural size) showing at d how the 

 bark splits from the w(jod, leaving it intact. 



