HYSTERIACEAE 55 



or more or less developed, ostiole hysterium-like ; asci 8-spored, spores usually 2-celled, 

 dark. 



Phaeosporae 



14:707 

 I. Spores dark, i-celled; subicle lacking Cyclostomella 14:707 



Phaeodidymae 



9 : 1094, II : 385, 14 : 7o8, 16 : 653, 17 : 892 

 Spores dark, i-septate, elliptic to fusoid 



I. Perithecia on a subicle; stroma lacking Morenoella 9:1094 



II. Perithecia in a stroma 



1. Asci with paraphyses Parmularia 14:708 



(Schneepia 9: 1097) 



2. Asci without paraphyses Hysterostomella 9:1098 



Hyalophragmiae 



17 : 892 

 I. Spores hyaline, 3-several-septate Parmulariella 17:892 



Family 28. HYSTERIACEAE 



2 : 721, 9 : 1 100, 11: 385, 14 : 710, 16 : 657, 17 : 893 

 Perithecia simple or very rarely in a stroma, erumpent-superficial, horizontally, 

 rarely vertically oblong or linear, membranous, coriaceous or carbonous, rarely 

 carnosule at first, usually black, opening along the whole surface by a somewhat 

 narrow cleft; asci usually paraphysate, 4-8-spored, rarely many-spored. 



Hyalosporae 



2:723, 9: iioo, 11:385, 14:710, 16:657, 17:893 



Spores i-celled, hyaline, globose to fusoid 



I. Asci 4-spored; spores covered with mucus 



Hypodermella 11:385 



II. Asci 8-spored 



1. Perithecia single or at least not coalescing 



Schizothyrium 2 : 723 

 (Henriquesia 2:726) 



2. Perithecia coalescing in stellate groups of 4-6 



Delpinoella 16:658 



Phaeosporae 



2 : 727, 9: 1 100, 14: 710 



Spores i-celled, dark, globose to ovoid 



I. Asci 8-spored 



1. Perithecia separate ; asci paraphysate Farlowiella 2: 727, 9: noo 



2. Perithecia stromatic at base; asci aparaphysate 



Erikssonia 14: 710 



II. Asci io-i2-spored Lembosiella 9: iioi 



