EXASCACEAE 143 



Hyalodidymae 



Spores 2-celled, hyaline, ovoid to fusoid 



A. Apothecia superficial 



1. Paraphyses present 



a. Paraphyses much branched, moniliform; hy- 



pothecium none Atichia 22:769, R 500 



b. Paraphyses branched at tip, not moniliform; 



hypothecium present, thin Lecideopsella 22:588 



c. Paraphyses simple, inflated at tip; hypothe- 



cium somewhat thick Agyronella 22:588 



2. Paraphyses lacking; hypothecium present Henningsiella 22:586 



B. Apothecia erumpent; paraphyses present Didymascus 14:816 



Phaeodidymae 

 Spores 2-celled, dark, ovoid to fusoid 



Apothecia erumpent, folicole; paraphyses filiform; 



asci 4-spored Didymascella 18:162 



Hyalophragmiae 

 Spores x-celled, hyaline, oblong 



Apothecia superficial, membranous, dark, with yellow 



bulbiform base; paraphyses present; folicole MoUeriella 8:845 



Phaeophragmiae 



Spores x-celled, dark, oblong 



Apothecia superficial, waxy, dark; paraphyses pres- 

 ent, forming an epithecium; lignicole Microdiscus 24:1143 



Hyalodictyae 



Spores muriform, hyaline, oblong 



Apothecia superficial, submembranous, dark; paraph- 

 yses lacking; folicole Zukaliopsis 17:554 



Phaeodictyae 



Spores muriform, dark, oblong 



A. Apothecia superficial, with gyrose or folded hy- 



menium Haematomyxa 8:646 



B. Apothecia erumpent; hymenium plane Ramosiella 24:1142 



Scolecosporae 



Spores acicular to filiform 

 Apothecia superficial, gelatinous; paraphyses filiform Agyriopsis 14:895 



Family 59. EXASCACEAE 



8:811, 10:67, 11:435, 14:823, 16:803, 18:196, 22:763, 24:1300; Schroeter 158 



Apothecia reduced to a hymenium without exciple, hypothecium, or paraphyses, 

 mostly parasitic, occasionally saprophytic; asci globoid to clavate, arising directly 

 from the hyphae, or disposed on a base of parallel hyphae, few to many-spored; 

 spores simple, hyaline. 



