PHAEODIDYMAE 12S 



(1) Pycnidia immersed, then erumpent, perforate 



(a) Conidia muticate Ascochyta 3:384 



(b) Conidia with setae at the apex Robillardia 3:407 



(2) Pycnidia superficial, astomous Pucciniospora 10: 317 

 b. Pycnidia not maculicole 



(1) Pycnidia hairy Didymochaete 14: 953 



(Vermiculariella 16:940) 



(2) Pycnidia smooth 



(a) Conidia with an appendage at each end 



X. Conidia with i or more bristles Darluca 3:410 



y. Conidia with cap-like appendages Tiarospora 10:311 



(b) Conidia muticate 

 X. Basidia i-spored 



(x) Pycnidia on a cobwebby subicle, phyllogenous 



Actinonema 3 : 408 

 (y) Pycnidia without subicle, ramicole 



Diplodina 3:411 

 y. Basidia several-many-spored Cystotricha 3: 413 



2. Pycnidia beaked Rhynchophoma 3:414 



II. Pycnidia in a stroma 



1. Stroma effuse 



a. Stroma consisting of two distinct layers 



Thoracella 16:941 



b. Stroma of a single layer Placosphaerella 14: 948 



2. Stroma verruciform 



a. Stroma superficial Pazschkella 16:528 



b. Stroma erumpent Cytodiplospora 11:942 



Phaeodidymae 



2:329, 10:27s, 11:518, 14:927, 16:915, 18:319 



Spores dark, i-septate, ovoid to oblong 

 I. Pycnidia separate 



1. Pycnidia beaked 



a. Pycnidia hairy Rhynchodiplodia 18: 329 



b. Pycnidia smooth Pellioniella 18:329 



2. Pycnidia not beaked 



a. Pycnidia hairy Chaetodiplodia 3 : 374 



b. Pycnidia smooth 



(i) Conidia with a mucous layer, very large 



Macrodiplodia 3:374 



(2) Conidia without a mucous layer 

 (a) Pycnidia erumpent 

 X. Conidia i-ciliate at apex *Chaetocoms 10:337 



(Kellermannia in part) 



y. Conidia muticate 



(x) Conidia less than 15 ix long 



Microdiplodia 18:323 



