122 PHOMATACEAE 



i. Basidia not hamate 



(h) Conidia less than 15 m 



Phoma 3: 65 

 (i) Conidia 15 m or more long 



Macrophoma 10: 189 

 s. Pycnidia astomous or irregularly dehiscent 

 (r) Pycnidia subcarnose, sclerotioid 

 h. Conidia obtuse at both ends 



Plenodomus 3: 184 

 i. Conidia acute at both ends 



Sclerotiopsis 3: 184 

 (s) Pycnidia carbonous, circumscissile 



Piptostomum 3: 183 



(n) Basidia several-spored, branched 



Dendrophoma 3: 178 

 n. Pycnidia superficial 



(m) Pycnidia dense in asteroma-like spots 



Asteromella 3: 182 

 (n) Pycnidia not in such spots 

 r. Pycnidia globose or nearly so 

 (r) Basidia short, straight 



Aposphaeria 3: 169 

 (s) Basidia beautifully circinate 



Pyrenotrichum 3: 184 

 (t) Basidia none Mycogala 3: 185 



s. Pycnidia turbinate, carnose 



Crocicreas 3: 183 

 (y) Pycnidia rostrate or cylindric 

 m. Pycnidia globose, rostrate 



Sphaeronaema 3: 185 

 n. Pycnidia cylindric Glutinium 11:500 



y. Subicle present 



(x) Subicle white, cobwebby Cicinnobolus 3:216 



(inch Byssocystis 11:502) 

 (y) Subicle dark 

 m. Subicle usually radiate Asteroma 3:201 



11. Subicle not radiate Chaetophoma 3: 199 



(b) Conidia ciliate, forked or angled 

 x. Conidia ciliate at apex 



(x) Apex i-ciliate Strasseria 18: 284 



(y) Apex several-ciliate Neottiospora 3: 216 



y. Conidia forked or angled 



(x) Conidia Y-like; subicle present 



Ypsilonia 3: 215 

 (y) Conidia trigonous Trigonosporium 16:892 



(2) Conidia in chains 



