Page:The Olive Its Culture in Theory and Practice.djvu/178

 PLATE XVI.—THE ROT. Fig. 1. A section of an olive branch recently attacked by the rot (a) increase of cambium, (enlarged nine times.)

Fig. 2. Another similar section, showing herbaceous growth, (nine times enlarged.) Fig. 3. Transverse section showing the tubercles of the rot have reached the heart of the tree. Fig. 4. A diseased branch (natural size) showing at d how the bark splits from the wood, leaving it intact.