Lactarius Vietus - Description - Microscopic Features

Microscopic Features

The spore print is typically a creamy white, with a slight salmon tinge, but it has been observed to vary from white to yellow depending on the density, meaning that it is not a useful means of identification. Individual spores are a buff-white, amyloid (staining blue in Melzer's reagent) and hyaline. In shape, the spores are elliptic, with a moderately well-developed network of ridges, measuring between 8 and 9.5 by 6.5 to 7.5 micrometres (μm). The pleurocystidia (cystidia on the face of the gills) are shaped like narrow spindles, typically measuring between 40 and 75 μm long, but sometimes reaching 86 μm in length, by 6 and 11 μm wide at the widest point. The cheilocystidia (cystidia on the edge of the gills) are leaf or spindle shaped, measuring between 30 and 52 μm long by 4 to 7 μm wide. The basidia are four-spored and club-shaped, measuring between 36 and 42 μm in length by 8 and 12 μm wide.

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