The hymenium is alveolate, radiating, formed of the densely irregularly uniting gills; elongated, diamond-shaped.
"The Mushroom, Edible and Otherwise" by M. E. Hard
Spores alveolate or muriculate, usually flattened and angular.
"The Manual of the Botany of the Northern United States" by Asa Gray
Radiateur a alveoles Honeycomb radiator.
"English-French and French-English dictionary of the motor car, cycle, and boat" by Frederick Lucas