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Illustrated are the successive stages in the ravages of the chestnut blight. The images are chronological, the top is from 1909, the middle is from 1910, and the bottom is from 1911.

Chestnut Blight Stages

Illustrated are the successive stages in the ravages of the chestnut blight. The images are chronological,…

Illustrated is the distribution of the chestnut blight from February 1, 1912.

Distribution of Chestnut Blight

Illustrated is the distribution of the chestnut blight from February 1, 1912.

Pictured is the canker disease of chestnut produced by the fungus <I>Cryphonectria parasitica</I> (formerly <I>Endothia parasitica</I>). The conidial tendrils are produced from the numerous ruptures shown in the bark.

Chestnut with Canker Disease

Pictured is the canker disease of chestnut produced by the fungus Cryphonectria parasitica (formerly…