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Nomenclature

Russula amarissima Romagn. & E.-J. Gilbert
Bull. Soc. Mycol. France 59: 71. 1943.

Original diagnosis

Russula amarissima : Pileo primum globato, dein convexo, durissimo, margine acuta, non sulcata, cute non secernibili, ex atrosanguineo, vel colore cupreo ochraceove infecto, circiter 6 cm lato. Stipite pleno, durissimo scabro, 60 x 20 mm., leviter roseo, paulum flavescente. Carne durissima, crassa, leviter flavescente, odore obsoleto, sapore eximie amaro. Lamellis stipatissimis, antice acutis, angustis, pallidis. Sporis in pulvere non visis, sed verisi militer pallidissimis. Sporis 7,5-8,2 x 6,5-7,5 µ, humillimis verrucis, punctiformibus, frequenter anastomosis. Cystidiis obtusis, longissimis, 115-156 x (6,5)-10-14 µ. Epicute hyphis primordialibus incrustatis. Aestate : sub frondosis arboribus.

Typification

Information not available

Description

Photographs

Microscopy

SEM photos