Observation 319171: Russula Pers.

Notes:
A few fruiting bodies growing in grass/lawn under a large basswood/linden (Tilia sp.), with a flowering cherry tree nearby. These are the only trees that are planted in a row on this island between a highway and service road. The photographed fruiting bodies were plucked out by squirrels or landscapers earlier today or a day ago, so they are not in best shape.
The caps are concave to funnel-shape, up to 7 cm wide (wider if caps made flat). The cuticle is violaceus-purple to bluish-lavender with a hint of bluish-gray and perhaps brownish-gray hues in the gathering twilight/around sunset time, showing some creamy-yellow tones in the center; the disc is covered with a distinct and dense layer of concolorous granules/crusts that can be seen without a lens, giving the surface a ‘cloudy’ appearance; the cap margin in tuberculate-striate; the cuticle peels between 1/2 and 2/3 of radius. The gills are whitish to pale creamy, forking only at juncture with stipe, fairly crowded; the darker reflection between gills blades suggest cream to ochre spore print. The stipe is whitish or maybe with a slight hint of brownish-lavender flush. The odor is nill or maybe slightly of bread/dough (due to age/decay?). The taste of flesh is mild or maybe slightly and transiently acrid.
After consulting Kibby & Fatto (1993), I came up with the following suspects with more or less matching cap colors and other pertinent properties: azurea, brunneoviolacea, grisea, ornaticeps, and parazurea. According to Lime-trees and Basswoods: A Biological Monograph of the Genus Tilia, grisea and parazurea have been documented growing under basswood in Europe.
I was hoping that the combination of the cap color, granulose deposits on the disc and the association with basswood would be enough to ID this mushroom.

Images

Taken with a flash; ignore the brown tones
Taken with a flash; ignore the brown tones

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Created: 2018-06-10 05:26:27 EEST (+0300)
Last modified: 2018-06-10 05:36:39 EEST (+0300)
Viewed: 27 times, last viewed: 2019-08-23 19:21:03 EEST (+0300)
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