Cortinarius bulbosus (Sowerby) Gray 1821

Cortinarius bulbosus Fries, Epicr. Myc. 292. 1838
Pileus fleshy, at first oval-subhemispheric, then campanulate-expanded, broadly subumbonate, obtuse, 5-7 (-8) cm. broad; surface even, covered by a thin, webby, appressed, superficial white silkiness, light-ochraceous-salmon (R) to dingy-ochraceous-salmon (R), more or less variegated with wood-brown (R), especially on the umbo or disk; margin at first involute, at length broadly decurved, thin and whitened by the veil; context compact on the disk, brittle in age, concolorous when moist, soon whitish, the odor and taste earthy, scarcely subnauseous; lamellae adnate, sometimes emarginate or with a decurrent tooth, rather close, distinct, varying from moderately narrow to quite broad in large plants, at very first light-ochraceous-buff (R), soon tawny (R) or darker in age, never with violaceous tints, the edge entire; stipe clavatebulbous, 5-7 cm. long, 10-1 8 (-26) mm. thick above the large bulb, solid, tapering upward, paler than the pileus, at first covered by silky interwoven white fibrils, sometimes subperonate, at length sordid and superficially fibrillose-silky, corticated, concolorous within; spores shortellipsoid, scarcely rough, 7-8(-9) X 4.5-5.5 (-6) p.
Type locality : Sweden.
Habitat: Under maple, birch, and conifers, in mixed forests.
Distribution: Adirondack Mountains, New York; Cascade Mountains, Oregon and Washington; also in Europe.

Cortinarius bulbosus je grzib, co go ôpisoł Gray 1821. Cortinarius bulbosus nŏleży do zorty Cortinarius i familije Cortinarius.