Summary:
Subgenus Telamonia Section Parvuli. This species requires confirmation for the Pacific Northwest as the taxonomy is still being worked out. |Features include a small, hygrophanous, pale red-brown cap that is sometimes more grayish brown, moderately crowded gills that are yellowish brown or sometimes with a grayish blue tinge, an equal pale red-brown stem that is sometimes bluish at the top, and abundant white veil remnants at first, often forming a prominent ring. |The description is derived from Brandrud(1).

Cap:
0.8-3cm across, bell-shaped, then more or less acute-umbonate to papillate; hygrophanous, pale red-brown, sometimes more grayish brown, drying pale ochraceous yellow; somewhat fibrillose from veil elements at margin, slightly translucent striate

Flesh:
red-brown, sometimes with grayish blue tinge

Gills:
moderately crowded; yellowish brown or sometimes with grayish blue tinge

Stem:
3-7cm x 0.1-0.5cm, equal; pale red-brown, sometimes more or less bluish at top; abundant white veil remnants, at first often a prominent ring present with scales lower down on stem, later more indistinct fibrillose

Veil:
abundant, white; when young often leaving prominent ring with scales lower down on stem

Odor:
usually strong, similar to cedar wood but more unpleasant

Microscopic spores:
spores 7-9 x 4.5-5.5 microns, elliptic to broadly elliptic, distinctly verrucose; sterile marginal cells sometimes present on gill edges; cap cuticle with thin epicutis, hyphae 4-7 microns wide, colorless to faintly encrusted, hypodermium well developed, hyphae 15-25(30) microns wide, distinctly verrucose to zebra-striped, encrusted with reddish brown pigment, but smoother thick-walled pigment occurs also

Notes:
Harrower(1) assigned a BC collection sequence 121 to Cortinarius parvannulatus. Two different sequences named 121 differ by almost 10 base pairs: one of them is a 100% match to the newly described Cortinarius occidentalisagacitas. Cortinarius parvannulatus is found in Europe (Brandrud(1)).

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