ZYTHIACEAE 



n. Pycnidia with crateriform ostiole 



Libertiella 3: 616 

 o. Pycnidia cup-shaped Lemalis 3:672 



(y) Pycnidia with outer circumscissile wall 



Dichlaena 3: 620 

 b. Pycnidia beaked Sphaeronaemella 3:617 



2. Pycnidia hairy or spiny 



a. Pycnidia densely beset with conoid i-celled setae 



Muricularia 3: 218 



b. Pycnidia with slender bristles or hairs 



(1) Hairs fasciculate Collocystis 3:616 



(2) Hairs separate 



(a) Hairs everywhere but at the apex 



Chaetozythia 10:406 



(b) Hairs only around the wide ostiole 



Pseudozythia 18:409 



II. Pycnidia cespitose or in a stroma 



1. Pycnidia cespitose, beaked; conidia in chains 



Treleasiella 14:989 



2. Pycnidia in a stroma 



a. Stroma more or less pulvinate ; conidia f usoid 



Aschersonia 3:619 



b. Stroma f ruticose branched ; conidia bacillar 



Hypocreodendrum 14:992 



Phaeosporae 



10:409, 18:416 

 Conidia dark, 1 -celled, globose to oblong 



T. Pycnidia separate, beaked; basidia obsolete Ampullaria 18:416 

 II. Pycnidia in a stroma Martinella 10:409 



Hyalodidymae 



3:621, 10:409, n:553. 16:986, 18:416 

 Conidia hyaline or nearly so, i-septate, ovoid to oblong 



I. Basidia simple or nearly so Pseudodiplodia 3:621 



II. Basidia dendroid branched Diplozythia 18:417 



Hyalophragmiae 



3:621, 10:410, 18:417 

 Conidia hyaline, several-septate, elliptic to fusoid 



I. Conidia oblong-fusoid Stagonopsis 3:621 



II. Conidia 4-radiate, with septate radii Chiastospora 3:621 



Scolecosporae 



3:622, 10:410, 18:418 



Conidia hyaline, bacillar or filiform, continuous or septate 

 J. Pycnidia separate 



129 



