LEPTOSTROMATACEAE '31 



(i) Pycnidia on a subicle 



(a) Subicle of fumaginous hyphae Eriothyrium 10:418 



(b) Subicle of broad fibers fTrichopeltium 10: 418 



(Trichopeltulum) 

 (2) Pycnidia without subicle 



(a) Conidia muticate 



X. Pycnidia stellately divided or cleft 



Actinothecium 3 : 638 

 y. Pycnidia depressed-clypeate, not stellate 



Leptothyrium 3 : 626 

 (Sacidium 3 : 649) 



(b) Conidia setulose at each end Tracyella 18:424 

 b. Basidia present, cylindric Piggotia 3:636 



2. Pycnidia more or less clearly cleft lengthwise 



a. Pycnidia elongate or lanceolate Leptostroma 3:639 



b. Pycnidia subcircular Labrella 3 : 647 



II. Pycnidia in a stroma 



1. Stroma phyllogenous Melasmia 3: 637 



2. Stroma growing on animal hair? Trichophila 10:423 



Phaeosporae 



3 : 653, 10 : 423, 14 : 996, 18 : 429 



Conidia dark, i-celled, globose to oblong 



I. Pycnidia separate 



1. Pycnidia on a dark subicle, radiately dehiscent 



Asterostomella 10:423 



2. Pycnidia not on a subicle 



a. Conidia conglobate, verrucose Discomycopsella 18:429 



b. Conidia not conglobate, smooth Pirostoma 3:653 



TI. Pycnidia in a stroma 



1. Stroma membranous 



a. Pycnidia distinct, exserted Peltostroma 18:430 



b. Pycnidia merely locules, immersed Lasmenia 10: 425 



2. Stroma carbonous ; locules many, immersed 



Poropeltis 18:430 



Hyalodidymae 



10:426, 11: 557. 18:431 



Conidia hyaline, i-septate, oblong to fusoid 



I. Pycnidia separate 



1. Pycnidia astomous or variously perforate, not cleft 



a. Conidia muticate Leptothyrella 10:426 



b. Conidia cuspidate at apex, falcate Kabatia 18:433 



2. Pycnidia cleft lengthwise, elongate Fioriella 18: 432 



.11. Pycnidia in a stroma, rimose Pseudomelasmia 18: 434 



