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Nomenclature

Lactarius quieticolor Romagn.
Rev. Mycol. (Paris) 23: 280. 1958.

Lactarius deliciosus var. quieticolor (Romagn.) J. Blum
(nom. inval.)
Lactaires: 203. 1976.

Lactarius deliciosus var. quieticolor (Romagn.) Krieglst.
Beitr. Kenntn. Pilze Mitteleur. [IF] 7: 68. 1991.

Taxonomic synonyms:

= Lactarius hemicyaneus Romagn., Rev. Mycol. (Paris) 23: 280. 1958.  — Lactarius deliciosus var. hemicyaneus (Romagn.) Krieglst., Beitr. Kenntn. Pilze Mitteleur. [IF] 7: 61. 1991.  — Lactarius deliciosus var. hemicyaneus (Romagn.) Krieglst., Mitt. Arbeitsgem. Pilzk. Niederrhein 9: 76. 1991.  — Lactarius quieticolor var. hemicyaneus (Romagn.) Basso, Lactarius: 275. 1999.

= Lactarius pinastri Romagn., Bull. Soc. Mycol. France 96: 308-310. 1980.

= Lactarius quieticolor f. semisanguinascens Bon, Rev. Mycol. (Paris) 38: 202. 1973.

Original diagnosis

Pileo (2,5)-5-6 cm. lato, carnoso, firmo, convexo-applanato, deinde expanso ac inaequaliter orbiculari, medio depresso, demum cyathiformi vel infundibuliformi, margine involuta, e brunneo subaurantiaco, deinde e rufulo brunneo ad instar L. quieti, paulum zonato ac pruinoso. Stipite 2,5-4,5 x 0,8-1,7 cm., brevi, subaequali, ampla caverna, ex aurantiaco brunneo, impolito, viridi colore vel maculis aerugineis tincto. Carne crassa, firma, lacte aurantiaca, aere virescente. Lacte ex aurantiaco rubro. Lamellis stipatis, tenuibus, angustis, arcuatis, deinde decurrentibus, sat vivide aurantiacis, sed brevi brunneo colore tinctis, maculis viridibus sordide variegatis. Sporis sordide ochraceis, subglobosis, 8-9,2 x 6,5-7,5 µ., ample reticulatis ac fere alveolatis cristis crassis latisque, specie eximia. Cystidiis angustissimis (5-6,5 µ.), paucioribus. - Sub Pinis silvestribus.

Typification

Holotypus: Romagnesi 13-10-1957 (PC)
Europe: France: Seine-et-Oise, forÍt de Rambouillet

Published type studies: Hesler & Smith (1979), N. Amer. Spec. Lactarius: 532, FNE2 (1998), Basso (1999)

Description

Photographs

Microscopy

SEM photos