The order Helvellales contains the fleshy spore-sac fungi which have the spore-bearing body, the ascoma, open from the earliest stage of its development.

Family Geoglossaceae

The family Geoglossacece, which belongs to this order, contains the earth-tongues, which are club-like forms, green or black or yellow, and from one to three inches high, common on the ground, growing in rich wood mould. In consistency they are fleshy, gelatinous, or waxy, and their asci open by means of a terminal pore.