Lachnella alboviolascens

Appearance

Pilei annual, scattered or gregarious, membranous, at first subglobose, becoming disciform or pezizaeform, 0.25-1.25 mm diameter, attached by brief bases; exterior white, covered with a dense tomentum of abhymenial hairs which curve over the hymenium and fringe the substratum,, hairs filiform, 4-6 µm diameter, finely crystal encrusted; margin fimbriate, inturned; hymenial layer even, cream or pallid buff, concave. Context white, to 80 µm thick, of radiately arranged compact hyphae; generative hyphae 3-4 µm diameter, walls 0.25 µm thick, hyaline, tinted in a few outer hyphae. Hymenial layer to 80 µm deep, a dense palisade of basidia and paraphyses. Basidia subclavate, 50-80 x 11-14 µm, bearing 2-4 spores; sterigmata arcuate, slender, to 7 µm long. Paraphyses subclavate, 45-65 x 9-11 µm. Spores irregular, obovate, pyriform, limoniform, or triangular with rounded angles, often biapiculate, 12-17 x 9-11 µm, walls smooth, hyaline, 0.25 µm thick.

Naming

Cyphella alboviolascens
Lachnella alboviolascens
Peziza alboviolascens

Distribution

Europe, North America, New Zealand.