56 HYSTERIACEAE 



Hyalodidymae 



2:727, 9:1101, 11:386, 14:71'. 16:659, 17:895 



Spores i-septate, hyaline, ovoid to fusoid 



T. Perithecia membranous 



1. Perithecia separate, minute Aulographum 2:727 



2. Perithecia in a dimidiate stroma Cycloschizum 17:896 



IT. Perithecia carbonous 



1. Perithecia separate 



a. Perithecia simple or scarcely branched 



(1) Asci 8-spored Glonium2:73i 



(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 1 -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 : 1 108, 11: 387, 14 : Ji> 16 : 664, 17 : 907 



Spores several-septate, dark, oblong to cylindric 



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

 1. Asci 4-8-spored 

 a. Perithecia transversely densely and coarsely sulcate 



Rhytidhysterium 2:759 



