PHAEOPHRAGMIAE— HYALODICTYAE 35 



2. Perithccia superficial or subsuperficial 



a. Periihecia glabrous 



(1) Phytophilous 



(a) Spores finally separating into joints 



x. Joints i-celled Ohleriella 17: 736 



y. Joints 2-celled Ohleria 2: 96 



(b) Spores not separating into joints 

 x. Perithecia smooth or nearly so 



(x) Spores biconic with a mucous covering 



Caryospora 2: 122 

 (y) Spores medium, no mucous covering 

 m. Ostiole narrow Melanomma 2:g8 



n. Ostiole widely open Trematosphaeria 2:115 



y. Perithecia verrucose Stuartella 2: 123 



(2) Fimicole Sporormia 2: 123 



b. Perithecia pilose or byssisede 



(1) Perithecia concolorous 



(a) Spores cylindric, elongate *Lasiosphaeris 2: 194 



(b) Spores fusoid, somewhat short Chaetosphaeria 2: 92 



(2) Perithecia discolorous at the vertex 



"• Herpothrix 2: 211 



II. Perithecia cespitose, erumpent Gibberidea 2: 132 



III. Perithecia in a stroma 



1. Stroma lichenicole fTrematosphaeris 17: 735 



(Trematosphaeriopsis) 



2. Stroma not lichenicole 



a. Asci i-spored Titania 9: 823 



b. Asci 4-8-spored 



(1) Stroma valsa-like, innate 



(a) Asci 4-spored Aglaospora 2: 133 



(b) Asci 6-8-spored 



x. Acervuli covered with a reddish or yellowish bran 



Thyridaria 2: 140 



y. Acervuli not covered with a bran 



Pseudovalsa 2: 135 



(2) Stroma eutype-like, i. e., woody, effuse 



(a) Paraphyses lacking Cryptosphaerina 16:521 



(b) Paraphyses present Kalmusia 2: 142 



(3) Stroma pulvinate, emerging Melogramma 2: 144 



Hyalodictyae 



2:238, n:349, 9:872, 14:611, i6:S54, i/:/43 



Spores transversally and longitudinally septate, usually muriform, 

 hyaline, oblong to fusoid. 

 I. Perithecia separate 



1. Perithecia covered or erumpent 

 a. Asci 8-spored 



(1) Paraphyses lacking 



