SPHAERIACEAE 



71 



(2) Perithecia carbonous 



(a) Perithecia lichenicole 



(b) Perithecia not lichenicole; spores some- 



times faintly septate or continuous 

 b. Perithecia glabrous 



(1) Perithecia stalked, covered with a bright 



powder 



(2) Perithecia not stalked or powdery 



(a) Paraphyses present 



X. Perithecia soft, membranous 

 y. Perithecia hard, carbonous 



(b) Paraphysoids present 



B. Perithecia cespitose, glabrous, finally collabent 



C. Perithecia with a subicle or stroma 



1. Perithecia with a subicle 



a. Perithecia hairy or setose 



(1) Paraphyses present 



(2) Paraphyses lacking 



b. Perithecia glabrous 



(1) Paraphyses present; asci 8-spored 



(2) Paraphyses lacking; asci many-spored 



2. Perithecia in a stroma 



a. Stroma white, lanose; lichenicole 



b. Stroma black; not lichenicole 



(1) Stroma immersed, small, valsoid 



(2) Stroma superficial 



(a) Stroma large, short-stalked, asperate; 



spores muticate 



(b) Stroma small; spores ciliatc both ways 



Enchnosphaeria 2:207 

 Lasiosphaeria 2:191, 198; 12 



Bombardiastrum 11:338 



Sporoctomorpha 

 Zignoella 2:214; 12 

 Phanerococcus 24:1132 

 Baumiella 17:708 



Nematostigma 24:973 

 Pseudoperis 



Thaxteriella 



Sydowia 11:341, 24:964 



Dichosporium 16:542 



Calospora 2:231; 12 



Petrakiella 

 Broomella 2:557; 16 



Phaeophragmiae 



2:1, 9:759, 11:319, 14:561, 16:510, 17:718, 22:214, 305, 396, 24:768, 979, 1077 



Spores x-celled, dark, yellow to olive or brown, oblong, cylindric or fusiform. 

 The ratio between length and width is less than 20:1, and usually less than 10:1. 



A. Perithecia separate, sometimes gregarious, but not 

 cespitose 

 1. Perithecia innate, or finally erumpcnt 



a. Perithecia beaked 



b. Perithecia not beaked 



(1) Perithecia with a clypeus 



(2) Perithecia without clypeus 



(a) Perithecia setose 



X. Perithecia fungicole 



y. Perithecia not fungicole 



(b) Perithecia glabrous 



X. Perithecia fimicole; spores with mucous 



sheath 

 y. Perithecia not fimicole 

 (x) Spores with mucous sheath or ap- 

 pendages 

 m. Spores with mucous sheath 



Rhynchosphaeria 16:524 

 Clypeosphaeria 2:90; 13 



Litschaueria 

 Pocosphaeria 11:325 



Sporormia 2:123; 13 



Massaria 2:2; 13 



