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Nomenclature

Lactarius subdulcis (Pers.: Fr.) Gray
Nat. arr. Brit. pl. 1: 625. 1821.

Agaricus subdulcis Pers.
Syn. meth. fung. 2: 433. 1801 (as 'Agaricus (Lactifluus) subdulcis').

Galorrheus subdulcis (Pers.:Fr.) Fr.
Stirp. agri femsion. (III): 57. 1825.

Lactifluus subdulcis (Pers.: Fr.) Kuntze
Revis. gen. pl. 2: 857. 1891.

Taxonomic synonyms:

= Lactarius subdulcis f. primaria Fr., Monogr. Lact. Suec.: 29. 1855.

Original diagnosis

A. lactifl. subdulcis,
α) rufus: pileo infundibuliformi rufescente, lamellis pallescente-incarnatis, succo subdulci. Agaricus rubescens Schaeff. fung. t. 73. Et A. lactifluus dulcis.
Bull. Herb. t. 224. huius loci videntur.
In graminosis gregarie.
Pil. 1½ unc. latus est, margine suberectus, disco colore obscuriore. Lamel. subdecurrent. Stip. subbrevis. Succus albus, primo dulcis, dein ingratus, subacris.
β) A. cmimicarius: pileo opaco subumbonato obsolete zonato subspadiceo, lamellis luctescentibus subnitidis, stipite longiusculo.
- Batsch El. fung. p. 69.
In sylvaticis satis frequens nascitur.
Stip. saepius excentricus. Lamel. angustae, confertae, plurimae minores. odor fortis, subcimicarius. Sapor ingratus.
γ) L. innocuus: pileo subdepresso ruguloso obscure cinnamomeo, lamellis ferrugineis nitidis, stipite longiusculo.
Agaricus lactifluus Sowerb. t. 204 ?
Pil. 2-3 unc. latus, subcrenatus. Stip. 2½ unc. longus. Sapor subdulcis.
δ) L. querceti: parvulus, pileo planiusculo papillato spadiceo opca, lamellis fulvis. In quercetis graminosis satis frequens. Var β) affinis, et odore convenit. Pil. unc. 1 et ultra latus, intus lutescens. Lamel. subdistinctae. Stip. mediocris, pileo concolor, 2-3 lin. crassus.

Typification

Lectotypus: Persoon L 910.262-155 (L)
Europe:

Published type studies: Singer, Persoonia 2: 46 (1961)

Description

Photographs

Microscopy

SEM photos