78 



SPHAERIALES 



(1) Stroma more or less globoid; perithecia in 



one or more layers 



(2) Stroma clavate to cylindric-conic 



(a) Perithecia superficial on stroma 



(b) Perithecia immersed 



X. Stroma pendulous, without peridium 

 y. Stroma erect; perithecia in several series 

 covered by a fragmenting peridium 



Sarcoxylum 16:450 

 Wav/elia 22:453 

 Xylocrea 16:451 

 Peridoxylum 



Hyalodidymae 



2:465, 9:953, 11:356, 14:628, 16:565, 17: 782, 22:455, 24:651 



Spores 2-celled, hyaline or subhyaline 



A. Perithecia separate or cespitose 



1, Perithecia innate 



a. Perithecia with a long beak 



b. Perithecia not beaked 



2. Perithecia superficial 



a. Perithecia red, yellow or white 



(1) Asci 8-spored, alike 



(a) Perithecia beaked; spores ciliate at each 



end 



(b) Perithecia not beaked; spores not ciliate 

 X. Perithecia hairy 



y. Perithecia glabrous 



(x) Perithecia on or with a stilboid base 

 (y) Perithecia without base or the latter 



tubercularoid 

 m. Perithecia lichenicole 

 n. Perithecia not lichenicole 



(2) Asci of two kinds, 8- and many-spored 



(3) Asci many-spored, alike 



b. Perithecia blue or violet 



(1) Asci 8-spored 



(a) Perithecia lichenicole 



(b) Perithecia not lichenicole 



(2) Asci many-spored 



B. Perithecia with a subicle or stroma 



1. Perithecia with a subicle 



a. Paraphyses present; spores in a broad mucous 



capsule, ending in a long lash; on sub- 

 merged stems 



b. Paraphyses lacking; spores not mucose or 



flagellate; typically on basidiomyeetes 



2. Perithecia immersed in an effuse, globoid or 



elongate stroma 



a. Perithecia with a long beak 



b. Perithecia not beaked 



(1) Paraphyses present 



(2) Paraphyses lacking 



(a) Stroma elongate, clavate or capitate 



(b) Stroma eflfuse to globoid 

 x. Stroma with Stilbum 



y. Stroma without Stilbum 



Apiosphaeria 

 Charonectria 2:456 



Rhynchonectria 17:798 

 Lasionectria 2:505 

 Sphaerostilbe 2:511; 16 



Pronectria 2:498 

 Nectria 2:479; 16 

 Aponectria 2:516 

 Metanectria 2:517 



Prolisea 17:807 

 Lisea 2:517 

 Cyanocephalum 11:360 



Loramyces 

 Hypomyces 2:466; 16 



Treleasia 14:640 



Lambro 16:589 



Podocrea 17:799 



Stilbocrea 16:588 

 Hypocrea 2:250; 16 



