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Mr. Galloway remarked on the peculiar invigorating effect which 
Bordeaux mixture has when sprayed on plants, even when they are not 
diseased or injured in any way. Thesolutions of carbonate of ammonia 
on the contrary were known, when constantly used on vegetation, to 
have a very injurious effect in course of time. 
On invitation from the members of the Association Mr. Galloway, of 
the Division of Vegetable Pathology at Washington, gave a brief 
account of some recent work done in his Division on a widespread bac- 
terial disease of melons and other related plants. It had been found 
to be disseminated very largely by the agency of insects, among which 
were Diabrotica vittata, D. 12-punctata, and an Epitrix. The dis- 
ease appears suddenly among vines, and in the course of a few hours 
. they become wilted as they would if cut off by the roots. Eventually 
they die completely. Several species of bacteria were found in the 
tissues of the affected plants by Dr. Erwin F. Smith, and at least one of 
these was, after isolation, capable of producing the disease when intro- 
duced into sound plants. Of hundreds of cases examined all had been 
started by the work of insects, and it was found that the plants could 
be completely defended from the disease by covering them so as to ex- 
clude insects. 
Mr. Webster had observed the disease in Ohio where he had wit- 
nessed its occurrence in groups of plants. He had experimented with 
a view to checking it by applications of Bordeaux mixture. 
Mr. Smith found it very common also in New Jersey. 
Mr. Garman had observed the same disease in Kentucky. 
The President announced that a free boat ride on Lake Mendota was 
offered to members of the association by the American Microscopical 
Society. 
On motion the association then adjourned to meet at 2 o’clock. 
THIRD SESSION—AUG UST 15. 
The association was called to order by the president at 2 p. m. 
Mr. Webster, as chairman of the committee appointed by the chair 
to consider means of raising funds to pay the annual expenses of the 
association, reported as follows: 
Your committee beg leave to report that they have examined the constitution and 
by-laws concerning membership fees and dues and propose the following: 
ARTICLE IT, Section 2. Omit the words, ‘‘assessment of not less than 25 cents on the 
members in attendance at the meeting,” and substitute therefor the words, ‘‘annual 
dues of 50 cents, to be paid to the secretary within one month after the meeting by each 
resident member.” 
F. M. WEBSTER, Chairman, 
JOHN B. SMITH. 
A. D. HOPKINS. 
On motion the report was adopted. 
I ie wc oso a 
