HELOTIACEAE 



Hyalodidymae 



Spores hyaline, i-septate, elliptic to fusoid 



I. Apothecia typically sessile *Eubelonis R. 685 



II. Apothecia stalked 



I. Stalk ridged or folded Lanzia 8:479 



2. Stalk not ridged or folded Hymenoscypha R. 781 



Hyalophragmiae 



Spores hyaline, 2-several-septate, elliptic to fusoid 



I. Apothecia not toothed at margin 



1. Apothecia sessile Belonium R. 685, 8:492 



2. Apothecia stalked 



a. Subicle lacking 



(i) Spores muticate 



(a) Paraphyses colorless, epithecium lacking 



Belonioscypha R. 743 



(b) Paraphyses colored, forming an epithecium 



Rutstroemia R. 763 

 (2) Spores i-ciliate at each end *Belospora R. 744, 8:488 



b. Subicle present Masseea 18:99 



II. Apothecia with a row of triangular teeth at margin 



1. Apothecia sessile *Merodontis 18: 102 



2. Apothecia stalked Davincia 18: 101 



Scolecosporae 



Spores typically hyaline, filiform 



I. Apothecia sessile or merely narrowed below 



1. Apothecia smooth Gorgoniceps R. 690, 8:504 



2. Apothecia hairy Arachnopeziza R. 698 



II. Apothecia stalked Pocillum R. 747, 8:605 



Subfamily Dasyscyphae 



Rehm 824 



Apothecia hairy 



Hyalosporae 



Spores hyaline, i-celled, globose to fusoid 



I. Spores globose Lachnellula R. 862, 8:390 



II. Spores elliptic to fusoid 



1. Paraphyses lance-shaped, pointed 



a. Apothecia sessile *Dyslachnum R. 868, 888 



b. Apothecia stalked Lachnum R. 870 



2. Paraphyses filiform, blunt 



a. Apothecia divided above into 3-6 lobes, black 



Arenaea 18: 75 



b. Apothecia entire, rarely black 



