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More than 5000 entries on the history, culture and life of Britain (published in 1993 by Macmillan, now out of print)
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Dutch elm disease
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(Ceratocystis ulmi) Suffocating fungus which grows beneath the bark of elm trees and is spread by beetles. It was first identified in Holland in 1919, and since then has destroyed many of the world's elms. It was particularly virulent in Britain in the 1970s. Of some 30 million elms in the country, two thirds were calculated to have died by the early 1980s.
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