PHACIDIACEAE 6i 



(b) Spores brown Enterostigma 105 



2. Algae Phyllactidium 



a. Spores 2-celIed ; paraphyses simple and free 



Pycnographa 105 



b. Spores many-celled; paraphyses branched and united 



Mazosia 105 



Order 10. PEZIZALES 



Mycelium various, but typically inconspicuous or invisible ; propagaton by co- 

 nidia, but usually not in evidence; reproductive body or apothecium at first closed 

 and more or less globose, rarely elongate, then opening more or less completely into 

 a cup, saucer or disk, wfaxy or fleshy, more rarely carbonous, leathery or gelatinous ; 

 asci typically 8-spored and paraphysate ; spores various. 



Family 30. PHACIDIACEAE 



Rehm 60 

 Apothecia sunken, more or less erumpent, disk-like or elongate, single or grouped, 

 leathery or carbonous, black, firm, opening by lobes or by a rift ; hypothecium poorlv 

 developed as a rule. 



Hyalosporae 



8:705, 11:431. 10:48, 14:813, 16:783, 18:155 

 Spores hyaline, i-celled, globose to oblong 



I. Apothecia concrete above with the epiderm 



1. Apothecia and epiderm splitting radiately 



Phacidium 8 : 709 



2. Apothecia and epiderm splitting circumscissilely 



Stegia 8: 733 



3. Apothecia and epiderm splitting irregularly 



Cryptomyces 8: 707 



II. Apothecia and epiderm little or not at all concrete 



Pseudophacidium R. 94 



Phaeosporae 



14: 814 

 Spores dark, i-celled, oblong 

 I. Apothecia superficial, membranous, laciniate 



Phaeophacidium 14:814 



Hyalodidymae 



Spores hyaline, i-septate, elliptic to oblong 

 I. Apothecia scutellate or oblong, laciniate Schizothyrium R. 75 



(incl. Rhagadolobium 14:816) 



Phaeodidymae 



Spores dark, i-septate, elliptic to oblong 

 I. Apothecia in black foliicole spots Cocconia 8:738 



