414 BULLETIN OF THE BUSSEY INSTITUTION. 
not very common, or, in that case, so favorable for study. Especially 
is it to be desired that careful notes of the extent and manner of ap- 
pearance of the disease, and the climatic and hygrometric conditions 
attending it, should be carefully recorded. 
As a remedy, alkaline soaps, as strong as the trees will bear, will 
no doubt prove advantageous in case of the oranges; but, in the case 
of the olives, much less good is to be expected, owing to the presence 
of the stellate hairs on leaves and twigs. With this, our notice of the 
disease from a botanical stand-point ends; and we commend the sub- 
ject to the attention of entomologists. 
