830 Bepm-t on the Experiments icith " Botdllie Bonlelaise." 
hundred gallons were applied to the acre. In Bedfordshire this 
dressing was applied on August 11, in Kent on the 12th, and in 
Devonshire on August 14. The disease was later in its appearance 
in Cheshire, where the " curative '' application was not made till 
August 28. No " curative " application was made in Lincolnshire, 
and the disease did not make its appearance in the held at Car- 
marthen, and this locality is consequently excluded from the follow- 
ing table. 
No mixture was applied to the C plots at any of the stations. 
Left undressed, they were employed as standard plots to test the 
gain or loss from the application of the mixture to the neighbouring 
dressed plots A and B. 
The table shows a distinct improvement in the crops as the result 
of the application of the mixture, in all the localities except Cheshire. 
The variety experimented on there was the "main crop," which 
Mr. Smith says is the most tender variety he grows, being blackened 
by the first frost. Mr. Riley ascribes the exceptional result in 
Cheshire to the injury caused to the plants by the application of 
the mixture. It shrivelled up the leaves, turning them brown, and 
it so affected the plant that it did not flower, though flowers were 
abundant on the untreated crop. 
The smallest gain in the produce was obtained in Devonshire, 
where there was a heavy crop not seriously diseased. The principal 
increase was in plot B, though it had a larger proportion of diseased 
potatoes than either of the other plots. When Mr. Eiley applied 
the mixture to plot B on August 14, he observed that the plants on 
plot A, which had been twice dressed (June 28 and July 15), had 
grown fully six inches since the last dressing, and tliat the new 
growth had been attacked by the disease. An application of the 
mixture a week before his visit might, he tliinks, have prevented 
the attack. 
The largest proportion of diseased potatoes were met with in 
Bedfordshire, and the mixture has here obviously benefited the 
plants to which it was applied. 
The most remarkable results were secured in Kent, where tlie 
treated plots yielded much larger crops with a smaller propoi'tion 
of diseased tubers than the undressed. 
The most obvious deduction from the table is that the applica- 
tion of the mixture did not prevent the disease anywhere, but a 
glance at the percentages of the diseased potatoes in the various 
plots shows that the untreated plots suflered most heavily, though 
in some of the cases the diflerence was very trifling. In Cheshire, 
Devonshire, and Lincoln the amount of disease was very small, and 
the differences scarcely appreciable. No deduction can be drawn 
from tliem as to any influence on the disease fl'om the application 
of the mixture. It is somewhat different in the other two districts 
— Kent and Bedford — where the attack of the disease was more 
severe. In the untreated plot C, in Kent, 6i per cent, of diseased 
potatoes were found, while in plots A and B only l.'j per cent, were 
present, Tn I^edford, plot C had 12 per cent, diseased potatoes, 
