Hyalorbilia puertoricensis

A tropical species common in the Caribbean region.

Marginal excipulum hyphae forming a characteristic collar, subglobose to short cylindrical, large, hyaline and thick-walled.

Ectal excipulum of textura prismatica typical of the genus, with hyaline and thick-walled hyphae.

Asci cylindrical, with croziers at their base, up to 35 µm long and 4-5 µm wide, with a congophilic gel layer covering the entire hymenial surface that stains in Congo Red.

Paraphyses filiform, equal in length to the asci, but only up to 3.5 µm wide.

Ascospores filiform, cylindrical to slightly allantoid or sigmoid, smooth, hyaline, thin-walled, with rounded ends.

Herbarium material available: 1964/23 and 2375/25.