MICROPELTACEAE 



101 



3. Spores x-celled, hyaline 



a. Paraphyses present 



b. Paraphyses lacking 



(1) Ascoma on a subiculum 



(2) Ascoma without subiculum 



4. Spores filiform, hyaline 



a. Paraphyses present 



b. Paraphyses lacking 



B. Scutellum parenchymic, brown, radiate at mar- 



gin, typically without evident mycelium; hy- 

 menia single or several 



1. Ascoma subcuticular 



a. Spores 2-celled, brownish; paraphyses lacking 



b. Spores x-celled, hyaline; paraphyses present 



(1) Ascoma cespitose or stromoid; ostiole 



elongate 



(2) Ascoma solitary; ostiole round 



2. Ascoma superficial 



a. Scutellum with a single hymenium beneath 



(1) Spores 1-celled, hyaline 



(a) Paraphyses present, ascoma stromoid 



(b) Paraphyses lacking; ascoma separate 



(2) Spores 2-celled, hyaline 



(a) Ascoma round, astomous 

 X. Paraphyses present 



y. Paraphyses lacking 



(b) Ascoma linear, with a cleft; paraphyses 



lacking 



(3) Spoi-es x-celled, hyaline; paraphyses lack- 



ing 



(4) Spores muriform, hyaline 



b. Scutellum with several hymenia beneath 



(1) Spores 2-celled, hyaline; paraphyses lack- 



ing 



(a) Each hymenium of several asci 



(b) Each hymenium of a single ascus 

 X. Ascoma setose 



y. Ascoma glabrous 



(2) Spores x-celled, hyaline; each hymepium 



of a single ascus 



C. Scutellum wavy plectenchymic; mycelium pres- 



ent, reticulate 



1. Spores 2-celled, hyaline 



a. Scutellum with ostiole; hymenium single 



(1) Ascoma setose; paraphyses lacking 



(2) Ascoma glabrous 



(a) Paraphyses present 



(b) Paraphyses lacking 



b. Scutellum astomous 



(1) Hymenium single; paraphyses present 



(2) Hymenia several; paraphyses lacking 



2. Spores x-celled, hyaline; ascoma astomous, 



paraphyses present 



Micropeltis 2:669, TS 430; 17 



Mitopeltis 



Micropeltella 24:519, TS 430 



Scolecopeltium 



Scolecopeltis 24:524, TS 430; 

 21 



Subfamily Haplopeltineae 

 Aphysa 24:400, TS 402 



Moesziella 

 Stigmatophragmia 



Griggsia 24:639 

 Haplopeltis 24:525, TS 430 



Clypeolum 2:667, TS 430 

 Microthyriella 24:526, TS 431 



Schizothyrium 2:723, TS 431 

 Phragmothyriella 24:528, 



TS 431 

 Saccardinula 9:1071 



Polyclypeolum 24:527, TS 431 



Chaetoplaca 24:531 

 Eremotheca 24:528, TS 431 



Eremothecella 24:529, TS 432 



Subfamily Plochmopeltineae 



Chaetopeltopsis 24:530, TS 432 



Stomiopeltis 24:529, TS 432 

 Stomiopeltella 24:529, TS 432 



Metathyriella 



Plochmopeltis 24:529, TS 432 



Protopeltis 



