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Nomenclature

Russula azurea Bres.
Fung. trident. 1 (2): 20-21. 1882.

Original diagnosis

Pileus carnosus e convexo explanatus, depressusve, mox siccus, e laevi constanter minute granulosus, margine vix in exoletis substriatus, amaene caeruleus, margine interdum lilacinus, subexpalles, epidermide separabili, 4-6 cm. latus; lamellae confertae, aequales, raro aliqua dimidiata immixtae, postice attenuato-adnexae bifidaeque, candidae, imutabiles; stipes constanter albus, ventricosus, vel basi clavatus, glaber, subrugulosus, firmus, spongioso-solidus, aetate subcavus, 4-5 cm. latus, 10-15 mm. crassus. Caro alba, mitis, grata. Sporae hyalinae, subglobosae, echinulatae, 9 × 8 mmm.; basidia clavato-subcapitata 45-56 × 12 mmm.< cystidia fusoidea 65/75 ^X 10/14 mmm. Esculenta.
Aestate-Aut. In sylvis coniferis umbrosis quotannis suis locis parce obvia. Val di Sole. Colore ad Rus. cyanoxantham accedit, a qua tamen optime distincta, et potius Rus. emeticae Fr. proxima.

Typification

Information not available

Description

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Microscopy

SEM photos