The veiled species of Hebeloma in the western United States / Alexander H. Smith, Vera Stucky Evenson, and Duane H. Mitchel.

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Figs. 19-27A. H. angelesiense: fig. 19, four cheilocystidia; fig. 22, four spores.
H. pseudostrophosum: fig. 20, five spores; fig. 21, four cheilocystidia. H. bicoloratum
var. coloradense: fig. 23, five cheilocystidia; fig. 24, five spores. H. alpinicola: figs. 25
and 26, six spores; fig. 27, five cheilocystidia. H. brunneomaculatum: fig. 27A, five
cheilocystidia.