DURING the past two or three years the writer has had under investigation a disease of the Bermuda, or Easter lily. Early in the course of this work it was observed that the disease of the lily possessed certain characteristics in common with one affecting carnations, first described by Dr. J. C. Arthur in a paper2 read at a meeting of this association at Toronto, August I889. Through this paper and the publications of Dr. Arthur3 and of Arthur and Bolley,4 the disease has come to be generally known as "bacteriosis" of carnations. In connection with the work on the lily disease,5 "bacteriosis" of carnations has received considerable attention during the past year, and the object of this paper is to review briefly some of the results obtained. For a general description of the disease the following, quoted from the bulletin by Arthur and Bolley already cited, covers the ground thoroughly: