Auliscus racemosus from San Redondo, California. Prepared by WA Firth. Single example on the slide. Olympus BHB microscope using 450nm LED light. 63x Leitz Pl Apo NA 1.40 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, brightfield lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 20 images stacked in Zerene (Pmax). Also shown is an inverted image, giving a pseudo-darkground appearance.