PHOMACEAE 



183 



b. Pycnidia not corniform or rostrate 



(1) Pycnidia fungicole; conidia in 4's, lanci- 



form 



(2) Pycnidia not fungicole 



X. Conidia ciliate at both ends, appendaged 



in middle 

 y. Conidia not appendaged or ciliate; sub- 



icle sparse 



B. Pycnidia with a subicle 



1. Pycnidia with ostiole 



a. Pycnidia elongate-linear, vertical, sometimes 



branched 



b. Pycnidia globoid 



2. Pycnidia without ostiole; subicle sparse 



C. Pycnidia with a stroma 



1. Stroma valsoid or dothideoid 



a. Stroma valsoid; basidia simple 



b. Stroma dothideoid 



(1) Basidia present, persisting laterally at the 



end of the conidia 



(2) Basidia none 



2. Stroma not valsoid or dothideoid 



a. Stroma verruciform or pulvinate 



(1) Stroma innate 



(2) Stroma superficial 



b. Stroma eflfuse 



(1) Stroma innate, of dark upper and hyaline 



lower layer 



(2) Stroma superficial, uniform 



Lonchospermella 22:915, H 65 



CoroUospora 

 Pucciniospora 10:317, H 134 



Microxyphiella 



Chaetodiplodina 22:1048, H 67 

 Pucciniospora 10:317, H 134 



Cytodiplospora 11:528, H 294 



Cytotriplospora 

 Diploplacis 



Botryella H 68 

 Pazschkella 16:942, H 237 



Thoracella 16:941, H 289 

 Placosphaerella 14:948,-H 288 



Phaeodidymae 

 2:329, 10:275, 11:518, 14:297, 16:915, 18:319, 22:989 

 Conidia 2-celled, dark, ovoid to elliptic or fusoid 



A. Pycnidia separate 



1. Pycnidia innate or finally erumpent 



Pellionella 18:329, H 79 

 Chaetodiplis 



Macrodiplodia 3:374, H 82 

 Diplodia 3:329, H 81; 50 



a. Pycnidia rostrate, glabrous; basidia bacillar 



b. Pycnidia not rostrate 



(1) Pycnidia hairy 



(2) Pycnidia glabrous 



(a) Conidia mucose, very large 



(b) Conidia not mucose and very large 

 X. Ostiole present 

 y. Ostiole none; basidia obsolete or none Didymosporis 22:1001, H 133 



2. Pycnidia superficial 



a. Pycnidia rostrate and hairy 



b. Pycnidia not rostrate 



(1) Pycnidia hairy 



(2) Pycnidia glabrous 

 Pycnidia with a subicle, globose, astomous 

 Pycnidia cespitose or stromate 



1. Pycnidia cespitose or botryose, more or less 



stromate 



2. Pycnidia in a dothideoid stroma 



Rhynchodiplodia 18:329, H 78 



Chaetodiplodia 3:374; 50 

 Diplodiella 3:375, H 83 

 Diblastospermella 



Botrydiplis 3:377, H 84 

 Paradiplodia 



