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Nomenclature

Russula tyrrhenica Sarnari
Boll. Gruppo micol. G. Bres. 27 (5-6): 282. 1984.

Original diagnosis

Species parva sive paene media pileo denique 2,8-5-(7) cm lato, subgloboso deinde expanso, centro aetate laeviter depresso, margine crassa, obtusa, quoque nitide in senectute sulcata. Cute pilei secernibile, glabra, e udo nitente viscidulaque, brunnea, vinosa vel circiter roseo-carminea. Lamellis obtusis, plus minusve ventricosis, fragilibus, primum pallidis deinde cremeis. Stipite 15-30-(35) × 8-20 mm, perbrevi saepe obconico, interdum excentrico, albido, aliquando in extrema basi vinoso maculato. Carne plus minusve firma, albidula, odore aetate fere tenuiter fructato, sapore modice sed manifeste acre, guaiaci ope valde caerulescente. Sporis in cumulo cremeis vel dilute ocraceis 7-8,7-(9,2) × 5,8-7,2 µm, verruculosis cristulatis interruptoreticulatis. Basidiis tetrasporicis claviformibus 44-62 × 10-12,5 (13,5) µm. Cystidiis hymeni plus minusve fusiformibus obtusis vel appendiculatis 50-72 × 7-12 µm. Cute pilis perlongis, ramificatis gracilibus cum hyphis primordialibus (3,3)-4-6 µm latis attenuatis dermatocystidiisque 4,5-7 µm latis, obtusis, plurime septatis, copiose incrustatis, sulfovanillinae ope cinerascentibus. Materia hyphis cutis exsudante NH4(OH), KOH 40% atque chloralio hydrato indissolubile. Habitat in pinetis litoralibus arenaceis cum cistis in propinquo Tyrrheni maris. In pineto Cerioli (Etruria meridionalis), leg. M. Sarnari, 22.10.1984. Holotypus in herbario IB conservatur 84/330.

Typification

Holotypus: Sarnari 84.330 (IB)
Europe: Italy: Grosseto: Orbetello, Pineta del Ceriolo
At the edge of a Pinus pinea stand, with Erica arborea and Cistus salvifolius, on sandy soil.

Description

Photographs

Microscopy

SEM photos