30 SPHAERIACEAE 



(n) Perithecia innate-prominent, necks lacking 



Hypoxylum i : 352 

 (2) Conidia arising beneath the upper layer of the disk-like or cupulate 

 stroma 



(a) Perithecia flask-shaped Nummularia 1:395 



(b) Perithecia long-cylindric Solenoplea 17:619 



Hyalodidymae 



i: 475, 9: 611, 11: 295, 14: 525, 16: 468, 17: 63s 

 Spores l-septate (2-celled), hyaline or subhyaline, ovoid, oblong or fusoid 

 T. Perithecia separate 



I. Perithecia covered or nearly so 



a. Perithecia beaked, submembranous 



(i) Asci 8-spored Gnomonia 1:561 



(2) Asci many-spored Rehmiella g: 676 



b. Perithecia not beaked 

 (i) Asci 8-spored 



(a) Perithecia in a phyllogenous pseudostroma 



Hypospilina 2: igo 



(b) Perithecia not in a phyllogenous pseudostroma 

 X. Paraphyses lacking Sphaerella i: 476 



(incl. Lizoniella 17:661) 

 y. Paraphyses present 



(x) Spores surrounded with mucus 



Massarinula 14: 536 

 (y) Spores not surrounded with mucus 

 m. Spores septate near the base 



Apiospora i: 539 



(incl. Stigmatea i : 541) 

 n. Spores septate near the middle 



(m) Perithecia smooth Didymella 1:545 



(incl. atigmatea i : 545) 

 (n) Perithecia long-hairy Arcangelia g: 6g6 

 (2) Asci 16-24-spored 



(a) Asci i6-spored Mycosphaerella 9: 659 



(b) Asci 24-spored Hariotia g: 672 

 2. Perithecia superficial or nearly so 



a. Perithecia beaked 



(i) Spores expelled in a mucous mass Spumatoria 16: 1134 

 (2) Spores not expelled in a mucous mass 



Lentomita i: 584 



b. Perithecia not beaked 

 (i) Perithecia smooth 



(a) Asci 8-spored 

 X. Paraphyses lacking 



(x) Perithecia borne in lichen thalli 



Pharcidia g: 676, 17: 635 

 (incl. Epicymatia i: 570) 

 (y) Perithecia not in lichen thalli 



Bertia i : 581 



