A BACTERIAL DISEASE OF OLEANDER. 
BacitLtus OLEAE (Arcang.) Trev. 
CLAYTON O. SMITH. 
(WITH FOUR FIGURES) 
DvrRincG the autumn of 1905 some diseased oleanders were sent 
from a nursery to the plant pathological laboratory of the University 
of California. This disease has been occasionally reported as occur- 
Fic. 1.—Oleander, showing knots on stem and leaf from natural infection. 
ring on young oleanders in this state. The trouble affects the stem 
and leaves (figs. 1, 2), forming large, hard, woody knots. These 
knots were examined by Professor R. E, SmirH and found to contain 
oil [Botanical Gazette, vol. 42 
