Rollrim Milkcap Scientific name:Lactarius resimus (Fr.) Fr. 1838 Synonyms:Species Fungorum 10.07.2013: Agaricus intermedius var. expallens Fr. 1815 Agaricus resimus Fr. 1821 Galorrheus resimus (Fr.) P. Kumm. 1871 Lactarius regalis Peck 1873 Lactarius resimus var. insipidus A.H. Sm. 1960 Lactarius resimus var. intermedius A.H. Sm. 1960 Lactarius resimus var. regalis (Peck) Peck 1885 Lactarius resimus var. resimus (Fr.) Fr. 1838 Lactifluus regalis (Peck) Kuntze 1891 Lactifluus resimus (Fr.) Kuntze 1891 Habit of Growth:
Mushroom is not protected Trees: Betula (Birch)d0d0d0
, Pinus (Pine)
Cap: 8-18 cm across, first flatconvex, with a hump, later flattened to funnel-shaped, first white surface, later light ocher yellow stained, smooth, in wet slimy and shiny, margin inrolled, when young fluffy-haired.
Hymenophore: first light cream, later reddish ocher, broad, decurrent, only some forked.
Spore print: ocher
Spore: subglobose to elliptic, 6,9-9,7 x 5,8-7,4 μm, ornament, from some warts and ribs, which are morely net-like connected.
Stem: 3-5 x 2-3 cm, cylindrical, base often thinner, full to hollow, white surface, finely to glabrous, sometimes covered with small orange yellow stains.
Flesh: white, if cut fast yellowish, odor fruit like, taste acrid. Milk: white, in few seconds sulfur yellow, acrid.
Habitat: solitary to gregarious in mixed forests, on acidic, dry soils, at birch and pine. Rare. Summer-fall.
Remarks: Lactarius resimus var. regalis: Cup(4-6cm): white yellow, margin smooth; Stem(2-3 x 0,8-1,2 cm): smooth; Spore: globose; Habitat: september, very rare.