HYALOSPORAE 27 



(1) Spores normal, i. e., not modified 



(a) Perithecia superficial, glabrous or dark hairy 



Ceratostomella 1 : 408 



(b) Perithecia innate-erumpent, yellow-hairy 



Camptosphaeria 1: 413 



(2) Spores with a ring-like appendage Rostrella 17: 609 

 b. Perithecia submembranous, usually phyllogenous 



(1) Ostiole black, not stellate Gnomoniella 1: 413 



(2) Ostiole white, stellate with black wartlike appendages 



Rinia 17: 591 

 2. Perithecia not beaked 

 a. Perithecia covered 



(1) Asci 1-2- or 4-8-spored 



(a) Paraphyses present Physalospora 1: 433 



(inch Stigmatula 1 : 543) 



(b) Paraphyses lacking 

 x. Spores long-caudate 



(x) Spores caudate at one end only 



Urcspora 1: 448 

 (y) Spores caudate at both ends Urosporella 14: 523 

 y. Spores not caudate 

 (x) Asci 1-2-spored 

 m. Perithecia perforate fDiplosporis 11: 292 



(Geminispora) 

 n. Perithecia closed, then splitting irregularly at apex 



Spolverinia 17: 577 

 (y) Asci 4-8-spored 

 m. Perithecia lenticular, perforate 



Laestadia 1 : 420 

 n. Perithecia globose, papillate 



Phomatospora 1:432 



(2) Asci many-spored 



(a) Perithecia glabrous Ditopella 1 : 450 



(b) Perithecia strigose-pilose Polytrichia 1: 451 

 b. Perithecia superficial 



(1) Perithecia smooth, i. e., glabrous 



(a) Spores stellate Inzengaea 9: 610 



(b) Spores not stellate 



x. Perithecia on a dark crustose sulfide 



Pilgeriella 16: 464 

 y. Perithecia not on a sulfide 



(x) Perithecia surrounded by dark hyphae at base 



Guignardiella 16: 465 

 (y) Perithecia without dark hyphae at base 



Wallrothiella 1: 455 

 (inch Zignoina 2: 219) 



(2) Perithecia hairy 



(a) Asci 8-spored Trichosphaeria 1 : 452 



(b) Asci 16-spored Trichosphaerella 9: 604 



