Tulostoma brumale

On sandy and calcareous soils, with a globose to oval head, 1 to 1.5 cm in diameter, whitish with brownish spots, with a prominent peristome surrounded by a brown halo, a cylindrical, tough, tenacious stipe up to 4 cm long, ochre-brown in color.

Capillitium thick-walled, pale brown under the microscope, 3 to 6 µm wide, with swellings at the septa, with numerous branches, and with simple septa (without clamp connections).

Basidia not observed; these basidia are very difficult to observe as they tend to disintegrate with gleba maturation; according to literature clavate, 12 to 20 µm long by 4.5 to 7 µm wide, and tetrasporic.

Spores globose to subglobose, thick-walled and finely verrucose, pale yellow under the microscope, 4 to 5 µm long by 3.9 to 4.5 µm wide, ornamented with low, spaced warts, and inamyloid in Melzer's reagent.

Herbarium material available: JTP2092/24.