130 ZYTHIACEAE— LEPTOSTROMATACEAE 



1. Pycnidia beakless, almost discoid Trichocrea 10:410 



2. Pycnidia beaked; conidia i-ciliate Mycorhynchus 18:418 

 II. Pycnidia in a stroma; conidia hamate Polystigmina 3:622 



Subfamily Patellinae 



Pycnidia cupulate or hysterioid 



Hyalosporae 



3:622, 10:411, li:SS3, 18:419 

 Conidia hyaline, l-celled, globose to oblong 



I. Pycnidia separate 



1. Pycnidia cup-shaped 



a. Pycnidia smooth 



(i) Pycnidia carnose; basidia simple, cylindric 



Patellina 3 : 622 



(2) Pycnidia submembranous ; basidia branched 



Ollula 10: 411 



b. Pycnidia hairy 



(1) Conidia in chains *Sirocyphis 



(2) Conidia not in chains Cyphina 3:623 



2. Pycnidia flattened, oblong, cleft Hysteromyxa 3:622 



II. Pycnidia in a stroma 



1. Stroma suberose, white Munkia 10:408 



2. Stroma corneous, black fPycnostroma 18:415 



(Aschersoniopsis) 

 Hyalophragmiae 

 II : 553 

 Conidia hyaline, several-septate, oblong 

 I. Pycnidia immersed, waxy Pseudostictis 11:553 



Scolecosporae 



10:411 



Conidia hyaline, filiform, continuous 

 I. Pycnidia waxy, cup-shaped, on a white subicle 



Trichosperma 10:411 



Family 72. LEPTOSTROMATACEAE 



Pycnidia membranous or carbonous, black, more or less distinctly dimidiate, 

 scutiforra, astomous, ostiolate or cleft, erumpent or superficial. 



Hyalosporae 



3:62s, 10:412, 11:553, 14:992, 16:986, 18:419 

 Conidia hyaline, l-celled, globose to oblong 

 I. Pycnidia separate 



I. Pycnidia astomous or variously perforate, but not cleft 

 a. Basidia lacking 



