In the Journal of Mycology, vol. 5, No. 2, Mr. B. T. Galloway gives the results of an interesting experiment respecting the ascospores, or winter spores, of the grape rot. It is well known that it is this last set of spores, living in the berries throughout the winter, which carries the disease over from one season into another. They are, therefore, found during the spring and early summer months in the old berries which were affected the previous season with the disease. Old berries, which had laid on the ground all winter, were collected May 10, 1888, and buried to the depth of three inches in garden soil. On the 22d of April, of the following year, these berries were dug up and examined microscopically, with the result that the pustules were entirely empty of all spores. The supposition is that during the first summer the ascospores escaped from the berries, germinated in the warm moist earth and then died.

This experiment makes it probable that the plowing under of old berries in the spring may become a cheap and easy way of getting rid of an enormous quantity of infecting material before the rot has time to make its appearance.