90 



DOTHIDEALES 



2. Spores 2-celled 



a. Spores hyaline 



(1) Paraphyses present 



(2) Paraphyses lacking 



(a) Stroma of parallel prosenchymic cells 



(b) Stroma of interwoven brown hyphae, 



parenchymic below the locales 



b. Spores dark 



(1) Paraphyses present 



(2) Paraphyses lacking 



(a) Locules imbedded singly in column tips 



of a botryose stroma 



(b) Locules not in a botryose stroma 



X. Stroma peripheral in a minute hemi- 

 spheric gall 

 y. Stroma pulvinoid, not forming a gall 



3. Spores x-celled 



a. Spores hyaline 



(1) Paraphyses present 



(2) Paraphyses lacking 



(a) Stroma lirelliform 



(b) Stroma pulvinoid, not lirelliform 



b. Spores dark 



(1) Paraphyses present 



(a) Locules imbedded singly in tip of sepa- 



rate stroma columns 



(b) Locules not in columns 



(2) Paraphyses lacking 



4. Spores muriform, dark 



a. Paraphyses present 



b. Paraphyses lacking 

 B. Stroma superficial 



1. Stroma with innate central foot not more than 

 half its width 



a. Stroma sterile in center, locules in a circle 



(1) Spores 1-celled, hyaline; paraphyses pres- 



ent; stroma glabrous 



(2) Spores 2-celled, dark; paraphyses present; 



stroma with marginal hyphae 



(a) Locules globose, separate 



(b) Locules confluent in a circle 



b. Stroma uniformly fertile 



(1) Spores 1-celled 



(a) Spores hyaline 

 X. Paraphyses present 

 y. Paraphyses lacking 



(b) Spores dark; paraphyses present 



(2) Spores 2-celled 

 (a) Spores hyaline 



X. Paraphyses present 



Didothis 24:544, TS 305 

 Plowrightia 2:635, TS 307; 19 

 Diplochorella TS 620; 19 

 Achorella 24:548, TS 340 



Stalagmites 24: 636, TS 650; 20 



Crotone 24:635, TS 629; 19 

 Dothidea 2:639, TS 330; 19 



Metameris 24:551, TS 342 



Dangeardiella 14:683, TS 665; 



19 

 Phragmodothella 24:551, 



TS 343 



Rosenscheldia 9:1036, TS 648; 



19 

 Dothideopsella 24:552 

 Phragmodothis 24:551, TS 344 



Amylirosa 24:1338 

 Dictyodothis 24:552, TS 346 



Yoshinagella 24:550, TS 265 



Trichodothis 24:548, TS 268 

 Perischizum 24:548, TS 269 



Coccostromopsis 

 Coccostroma 24:539, TS 271; 



20 

 Auerswaldiella 24:541, TS 272 



