Fig 3.

Successive frames from high-speed video recording of ballistospore discharge in Aleurodiscus oakesii obtained at camera speed of 50,000 frames per second (also see Supplementary Movie). Adaxial drop is not seen easily in this species, but appears as a bulge on the spore surface directly above Buller’s drop in the first and second frames. Spore rotates counterclockwise (in this view) after separation from its sterigma in the third frame and moves beyond the focal plane of microscope. Scale bar = 10 µm.