One great point of distinction between these and the preceding is the absence of any true perithecium, the spores being produced in a kind of spurious receptacle, or from a sort of stroma.
"Fungi: Their Nature and Uses"
Mordecai Cubitt Cooke
When no such surface is present, the fruit is borne on threads, proceeding direct from the root-like filaments of the mycelium, or an intermediate kind of cushion or stroma.
"Fungi: Their Nature and Uses"
Mordecai Cubitt Cooke
A perithecium, or cell excavated in the stroma which fulfils the functions of a perithecium, is always present.
"Fungi: Their Nature and Uses"
Mordecai Cubitt Cooke