Hebeloma sinapizans

A species characterized by its hollow stipe and, in mature specimens upon cross-section, a hanging conical tongue-like pendant between the cap and upper stipe apex.

Pileipellis with a superficial layer composed of hyaline hyphae, 1.5-4 µm wide, strongly separated by gelification; beneath this lies a layer of ovoid to cylindrical hyphae with short septa and yellowish intracellular pigment inside.

Cheilocystidia cylindrical, sinuous, up to 70 µm long and 7-12 µm wide.

Basidia clavate, 30-40 µm long and 9-11 µm wide, with basal clamps, 4-spored.

Spores citriform to amygdaliform, thick-walled and moderately verrucose, yellowish under the microscope, with an eccentric apiculus at one end, dextrinoid in Melzer's reagent.

Herbarium material available: JTP2605/25.