TREMELLINEAE. 55 



ANALYSIS OF THE GENEBA. 



AURICULAKIEAE. 



Auricularia. — Broadly attached, margin free and reflexed. 

 Hirneola. — Cartilaginous, ear-shaped, attached by a point. 



Tremelli^eae. 



Exidia. — Cup-shaped, truncate, or irregularly lobed ; spores 

 reniform, producing curved sporidiola on germina- 

 tion. 



Ulocolla. — Pulvinate and gyrose ; spores reniform, produc- 

 ing rod-shaped sporidiola on germination. 



Tremella. — Brain-like or lobed ; spores globose or ovoid. 



Naematelia. — Firm, convex, with a central, hard nucleus. 



Gyrocephalus. — Erect, spathulate. 



Tremellodon. — Gelatinous, tremelloid, fan-shaped, fleshy ; 

 hymenium with distinct spines. 



Dacryomyce:teae. 



Dacryomyces. — Small, pulvinate and gyrose. 



Guepinia. — Irregularly cup-shaped, hymenium on one sur- 

 face only. 



Dacryopsis. — Hymenium at the apex of a short stem, bear- 

 ing conidia and spores. 



Ditiola. — Stem distinct, bearing the hymenium at its 

 expanded apex. 



Apyrenium. — Subglobose or lobed, hollow. 



Calocera. — Subcylindrical and erect, simple or branched. 



