BALLISTICS IN CERTAIN ASCOMYCETES

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Abstract
Summary: Horizontal spore discharge has been studied in the genera Daldinia, Sordaria, Pleurage and Ascobolus. The average distance of discharge for the full spore‐complement of the ascus increases with the size of the projectile. In Pleurage taenioides a consideration of the form of the ascus jet, as caught on a rapidly rotating disk, suggests that as the four spores are shot from the ascus the vigour of discharge tends to fall with the escape of successive spores.

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