Gregarium, late obovatum (1/2-3/4 in. diam.), subiculo albo, effuso, xylostromoideo, enatum. Peridio exteriori furfuraceo, lignicolori, multifido, laciniis plurimis acutis rigidulis demum reflexis fissurato, peridio interiori obscuriori. sessili, globoso, laevi, ore leviter umbonato, fimbriato. Capillitio sporisque atro-umbrino, filamentis flexuosis, simplicibus, variabilis, attenuatis, sporis laevibus, globosis, 4 µ diam.

On rotten wood. Trinity Bay.

Allied to G. mirabile and G. lignicola in the habit of growing on wood, seated upon a dense subiculum.

Gregarius, broadly obovate (1/2-3/4 inches in diam.), arising from a white subiculum that spreads out over wood. Outer peridium fururaceous, tawny, divided, splitting into many acute reflexed segments. Inner peridium darker than the exoperidium, sessile, globose, smooth, having a fibrillose, slightly umbonate mouth. Capillitium and spores dark umber; filaments sinuous, simple, variable, attenuate at the tips; spores smooth, globose, 4 µ in diameter.