Basidiolichenes (Lichen-forming Basidiomycetes).
Several Fungi belonging to the Basidiomycetes have a symbiotic
relationship with Algæ exactly similar to that enjoyed by certain
Ascomycetes, and these are therefore included under the term Lichens
(p. 136). They are chiefly tropical.
Order 1. =Hymenolichenes.= To this order belong some gymnocarpic
forms: _Cora_, _Dictyonema_, _Laudatea_.[15]
Order 2. =Gasterolichenes.= To this belong some angiocarpic forms:
_Emericella_, _Trichocoma_.