TUBERCULARIACEAE 



225 



(y) Conidia not verticillate or pleurog- 



enous 

 m. Conidiophores none; sporodochia 



discoid, shining 

 n. Conidiophores ramost or simple 

 (m) Conidiophores ramose; conidia 



verrucose, ovate 

 (n) Conidiophores simple; conidia 

 smooth 

 B. Conidia and conidiophores lacking, or imperfect 



1. Sporodochia verruciform, gray to black, of mul- 



tiform hyphae; not lichenicole 



2. Sporodochia globose, breaking into cells or 



groups; lichenicole 



Sclerodiscus 10:735 



Strumellopsis H 497 

 Xiphomyces 



Strumella 4:742; 58 

 Sclerococcum 4:754 



Didymosporae 



4:754, 10:737, 16:1105, 18:684, 

 Conidia 2-celled, dark or sometimes hyali 



A. Sporodochia setulose at margin; conidia catenate 



B. Sporodochia glabrous; conidia not catenate 



1. Conidia subhyaline; sporodochia globose, black, 



on a white radiate subicle 



2. Conidia dark; subicle lacking 



a. Sporodochia globose, superficial; conidia cla- 



vate, fuscous 



b. Sporodochia pulvinate, erumpent; conidia 



clavate-cylindric, brown, with mucous 

 sheath 



c. Sporodochia scutellate, margined, erumpent; 



conidia oblong, black 



Phragmosporae 



4:755, 10:738, 11:656, 14:1131, 16:1106, 

 Conidia x-celled, dark or rarely hyaline, 



A. Sporodochia setulose, scutellate 



B. Sporodochia not setulose 



1. Conidia catenate; sporodochia discoid to pul- 



vinate 



2. Conidia not catenate 



a. Conidia 1-ciliate at each end, hyaline, curved 



b. Conidia not ciliate, dark 



(1) Sporodochia terete; conidia very large, 



ellipsoid, verruculose 



(2) Sporodochia not terete; conidia otherwise 



(a) Conidia acropleurogenous; sporodochia 



pulvinate, superficial; conidiophores 

 very long 



(b) Conidia acrogenous 



X. Sporodochia subglobose to convex 



(x) Sporodochia erumpent 



(y) Sporodochia superficial 

 y. Sporodochia scutellate to discoid 



22:1494 



ne, elliptic to fusoid 



Trichodochium 



Erysiphopsis 22:1494 



Pucciniopsis 10:737 



Anomomyces 10:482 

 Epiclinium 4:754 



18:685, 22:1495 

 oblong to cylindric 



Excipularia 18:688, 3:689 



Trimmatostroma 4:757 

 Ciliofusa 11:656 



Cylomyces 18:685 

 Acrotheciella 22:1496 



Exosporium 4:755:58 

 Cryptocoryneum 4:395 

 Marcosia H 513 



