56 HYSTERIACEAE 



Hyalodidymae 



2:727, 9:1101, 11:386, 14:711, i6:6S9, 17:89s 

 Spores i-septate, hyaline, ovoid to fusoid 



I. Perithecia membranous 



1. Perithecia separate, minute Aulographum 2:727 



2. Perithecia in a dimidiate stroma Cycloschizum 17:896 



II. Perithecia carbonous 



1. Perithecia separate 



a. Perithecia simple or scarcely branched 



(i) Asci 8-spored Glonium 2:731 



(2) Asci many-spored *Pleoglonis 9: 1103 



b. Perithecia radiately branched, or stellate 



Actidium 2 : 738 



2. Perithecia connected in orbicular sori Synglonium 14: 711 



III. Perithecia at first somewhat fleshy, reddish or yellow 



Angelinia 2 : 739 



Phaeodidymae 



2:740, 9:1103, 11:387, 14:711, 16:659, 17:897 

 Spores i-septate, dark, ovoid to oblong 



I. Perithecia on a fibrillose- radiate subicle Lembosia 2:741 



II. Perithecia without a subicle 



1. Perithecia coriaceous Tryblidium 2:740 



2. Perithecia carbonous 



a. Perithecia linear; cleft very narrow, straight 



Bulliardiella 17:902 



b. Perithecia scutellate; cleft subcircular 



Dielsiella 17:902 



Hyalophragmiae 



2:765,9:1112, 11:388, 14:715, 16:664, 17:903 

 Spores several-septate, hyaline, oblong to cylindric 



I. Perithecia saprogenous 



1. Perithecia carbonous, cleft narrow Gloniella 2:765 



2. Perithecia subcoriaceous, cleft wide Pseudographis 2: 769 



II. Perithecia biogenous, gregarious in spots 



1. Perithecia corticole Dichaena 2: 771 



2. Perithecia foliicole 



a. Perithecia merely gregarious Phragmographium 17: 906 



b. Perithecia radiately disposed Aldona 16: 667 



Phaeophragmiae 



2:743, 9:1108, 11:387, 14:715, 16:664, 17:907 

 Spores several-septate, dark, oblong- to cylindric 



I. Edges of cleft somewhat obtuse, then more or less distant 

 I. Asci 4-8-spored 

 a. Perithecia transversely densely and coarsely sulcate 



Rhytidhysterium 2 : 759 



