Hymenoscyphus caudatus

Apothecia only up to 1 mm in diameter, long-stiped and white.

Medullary excipulum of textura intricata; ectal excipulum of textura prismatica.

Asci cylindric-clavate, 8-spored, with biseriate to slightly irregular spore arrangement within the ascus, inoperculate, up to 105 µm long and 10-12 µm wide, without croziers at their base, with an amyloid apical apparatus in Melzer's reagent.

Paraphyses filiform, cylindrical, septate, without apical swellings.

Ascospores cylindric-ellipsoidal with one end pointed and the other slightly truncate, smooth, hyaline, thin-walled, with a slight central constriction and vacuolar internal content.

Herbarium material available: JTP2656/25.