Tricholoma pessundatum

A species typical of conifers, preferring pines, with a convex to flattened pileus, 4 to 10 cm in diameter, chestnut-brown surface, adnate to emarginate white lamellae, cylindrical white to light brown stipe, farinaceous odor, and bitter taste.

Cuticle filamentous, formed by cylindrical hyphae arranged more or less parallel, 3 to 8 µm wide, with reddish-brown intracellular pigment, all septate with simple septa (without clamp connections).

Without cystidia.

Lamellar trama regular or parallel.

Basidia clavate, 25 to 30 µm long, 5 to 6 µm wide, with simple base, 4-spored.

Spores ellipsoid, smooth, hyaline, thin-walled, with an eccentric apiculus at one end, 5.5 to 7 µm long, 3.5 to 4.5 µm wide, containing a large oil droplet inside, inamyloid in Melzer's reagent.